Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation

Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste back...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Li, Baiyi [verfasserIn] Zhang, Jixiong Yan, Hao Liu, Hengfeng Zhu, Cunli

Format:	Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Backfill Thermal conductivity Graphite Thermal enhancement Thermal Energy storage

Anmerkung:	© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022

Übergeordnetes Werk:	Enthalten in: Environmental science and pollution research - Springer Berlin Heidelberg, 1994, 29(2022), 32 vom: 25. Feb., Seite 49050-49058
Übergeordnetes Werk:	volume:29 ; year:2022 ; number:32 ; day:25 ; month:02 ; pages:49050-49058

Links:	Volltext

DOI / URN:	10.1007/s11356-022-19305-9

Katalog-ID:	OLC2079074318

Internformat


LEADER	01000caa a22002652 4500
001	OLC2079074318
003	DE-627
005	20230606195324.0
007	tu
008	221220s2022 xx \|\|\|\|\| 00\| \|\|eng c
024	7		\|a 10.1007/s11356-022-19305-9 \|2 doi
035			\|a (DE-627)OLC2079074318
035			\|a (DE-He213)s11356-022-19305-9-p
040			\|a DE-627 \|b ger \|c DE-627 \|e rakwb
041			\|a eng
082	0	4	\|a 570 \|a 360 \|a 333.7 \|q VZ
082	0	4	\|a 690 \|a 333.7 \|a 540 \|q VZ
084			\|a BIODIV \|q DE-30 \|2 fid
100	1		\|a Li, Baiyi \|e verfasserin \|0 (orcid)0000-0002-2583-5683 \|4 aut
245	1	0	\|a Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation
264		1	\|c 2022
336			\|a Text \|b txt \|2 rdacontent
337			\|a ohne Hilfsmittel zu benutzen \|b n \|2 rdamedia
338			\|a Band \|b nc \|2 rdacarrier
500			\|a © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022
520			\|a Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines.
650		4	\|a Backfill
650		4	\|a Thermal conductivity
650		4	\|a Graphite
650		4	\|a Thermal enhancement
650		4	\|a Thermal Energy storage
700	1		\|a Zhang, Jixiong \|4 aut
700	1		\|a Yan, Hao \|4 aut
700	1		\|a Liu, Hengfeng \|4 aut
700	1		\|a Zhu, Cunli \|4 aut
773	0	8	\|i Enthalten in \|t Environmental science and pollution research \|d Springer Berlin Heidelberg, 1994 \|g 29(2022), 32 vom: 25. Feb., Seite 49050-49058 \|w (DE-627)171335805 \|w (DE-600)1178791-0 \|w (DE-576)038875101 \|x 0944-1344 \|7 nnns
773	1	8	\|g volume:29 \|g year:2022 \|g number:32 \|g day:25 \|g month:02 \|g pages:49050-49058
856	4	1	\|u https://doi.org/10.1007/s11356-022-19305-9 \|z lizenzpflichtig \|3 Volltext
912			\|a GBV_USEFLAG_A
912			\|a SYSFLAG_A
912			\|a GBV_OLC
912			\|a FID-BIODIV
912			\|a SSG-OLC-UMW
912			\|a SSG-OLC-ARC
912			\|a SSG-OLC-TEC
912			\|a SSG-OLC-CHE
912			\|a SSG-OLC-FOR
912			\|a SSG-OLC-DE-84
912			\|a GBV_ILN_252
912			\|a GBV_ILN_267
912			\|a GBV_ILN_2018
912			\|a GBV_ILN_4277
951			\|a AR
952			\|d 29 \|j 2022 \|e 32 \|b 25 \|c 02 \|h 49050-49058

Indexfelder

author_variant	b l bl j z jz h y hy h l hl c z cz
matchkey_str	article:09441344:2022----::hraehneetfageeetdatbcflwtgahtadiiaad
hierarchy_sort_str	2022
publishDate	2022
allfields	10.1007/s11356-022-19305-9 doi (DE-627)OLC2079074318 (DE-He213)s11356-022-19305-9-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Li, Baiyi verfasserin (orcid)0000-0002-2583-5683 aut Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines. Backfill Thermal conductivity Graphite Thermal enhancement Thermal Energy storage Zhang, Jixiong aut Yan, Hao aut Liu, Hengfeng aut Zhu, Cunli aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 29(2022), 32 vom: 25. Feb., Seite 49050-49058 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:29 year:2022 number:32 day:25 month:02 pages:49050-49058 https://doi.org/10.1007/s11356-022-19305-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 29 2022 32 25 02 49050-49058
spelling	10.1007/s11356-022-19305-9 doi (DE-627)OLC2079074318 (DE-He213)s11356-022-19305-9-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Li, Baiyi verfasserin (orcid)0000-0002-2583-5683 aut Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines. Backfill Thermal conductivity Graphite Thermal enhancement Thermal Energy storage Zhang, Jixiong aut Yan, Hao aut Liu, Hengfeng aut Zhu, Cunli aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 29(2022), 32 vom: 25. Feb., Seite 49050-49058 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:29 year:2022 number:32 day:25 month:02 pages:49050-49058 https://doi.org/10.1007/s11356-022-19305-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 29 2022 32 25 02 49050-49058
allfields_unstemmed	10.1007/s11356-022-19305-9 doi (DE-627)OLC2079074318 (DE-He213)s11356-022-19305-9-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Li, Baiyi verfasserin (orcid)0000-0002-2583-5683 aut Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines. Backfill Thermal conductivity Graphite Thermal enhancement Thermal Energy storage Zhang, Jixiong aut Yan, Hao aut Liu, Hengfeng aut Zhu, Cunli aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 29(2022), 32 vom: 25. Feb., Seite 49050-49058 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:29 year:2022 number:32 day:25 month:02 pages:49050-49058 https://doi.org/10.1007/s11356-022-19305-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 29 2022 32 25 02 49050-49058
allfieldsGer	10.1007/s11356-022-19305-9 doi (DE-627)OLC2079074318 (DE-He213)s11356-022-19305-9-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Li, Baiyi verfasserin (orcid)0000-0002-2583-5683 aut Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines. Backfill Thermal conductivity Graphite Thermal enhancement Thermal Energy storage Zhang, Jixiong aut Yan, Hao aut Liu, Hengfeng aut Zhu, Cunli aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 29(2022), 32 vom: 25. Feb., Seite 49050-49058 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:29 year:2022 number:32 day:25 month:02 pages:49050-49058 https://doi.org/10.1007/s11356-022-19305-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 29 2022 32 25 02 49050-49058
allfieldsSound	10.1007/s11356-022-19305-9 doi (DE-627)OLC2079074318 (DE-He213)s11356-022-19305-9-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Li, Baiyi verfasserin (orcid)0000-0002-2583-5683 aut Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines. Backfill Thermal conductivity Graphite Thermal enhancement Thermal Energy storage Zhang, Jixiong aut Yan, Hao aut Liu, Hengfeng aut Zhu, Cunli aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 29(2022), 32 vom: 25. Feb., Seite 49050-49058 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:29 year:2022 number:32 day:25 month:02 pages:49050-49058 https://doi.org/10.1007/s11356-022-19305-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 29 2022 32 25 02 49050-49058
language	English
source	Enthalten in Environmental science and pollution research 29(2022), 32 vom: 25. Feb., Seite 49050-49058 volume:29 year:2022 number:32 day:25 month:02 pages:49050-49058
sourceStr	Enthalten in Environmental science and pollution research 29(2022), 32 vom: 25. Feb., Seite 49050-49058 volume:29 year:2022 number:32 day:25 month:02 pages:49050-49058
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Backfill Thermal conductivity Graphite Thermal enhancement Thermal Energy storage
dewey-raw	570
isfreeaccess_bool	false
container_title	Environmental science and pollution research
authorswithroles_txt_mv	Li, Baiyi @@aut@@ Zhang, Jixiong @@aut@@ Yan, Hao @@aut@@ Liu, Hengfeng @@aut@@ Zhu, Cunli @@aut@@
publishDateDaySort_date	2022-02-25T00:00:00Z
hierarchy_top_id	171335805
dewey-sort	3570
id	OLC2079074318
language_de	englisch
fullrecord	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">OLC2079074318</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230606195324.0</controlfield><controlfield tag="007">tu</controlfield><controlfield tag="008">221220s2022 xx \|\|\|\|\| 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s11356-022-19305-9</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)OLC2079074318</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-He213)s11356-022-19305-9-p</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">570</subfield><subfield code="a">360</subfield><subfield code="a">333.7</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">690</subfield><subfield code="a">333.7</subfield><subfield code="a">540</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">BIODIV</subfield><subfield code="q">DE-30</subfield><subfield code="2">fid</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Li, Baiyi</subfield><subfield code="e">verfasserin</subfield><subfield code="0">(orcid)0000-0002-2583-5683</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2022</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">ohne Hilfsmittel zu benutzen</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Band</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Backfill</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Thermal conductivity</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Graphite</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Thermal enhancement</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Thermal Energy storage</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhang, Jixiong</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Yan, Hao</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Liu, Hengfeng</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhu, Cunli</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Environmental science and pollution research</subfield><subfield code="d">Springer Berlin Heidelberg, 1994</subfield><subfield code="g">29(2022), 32 vom: 25. Feb., Seite 49050-49058</subfield><subfield code="w">(DE-627)171335805</subfield><subfield code="w">(DE-600)1178791-0</subfield><subfield code="w">(DE-576)038875101</subfield><subfield code="x">0944-1344</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:29</subfield><subfield code="g">year:2022</subfield><subfield code="g">number:32</subfield><subfield code="g">day:25</subfield><subfield code="g">month:02</subfield><subfield code="g">pages:49050-49058</subfield></datafield><datafield tag="856" ind1="4" ind2="1"><subfield code="u">https://doi.org/10.1007/s11356-022-19305-9</subfield><subfield code="z">lizenzpflichtig</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_OLC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">FID-BIODIV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-UMW</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-ARC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-TEC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-CHE</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-FOR</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-DE-84</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_252</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_267</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_2018</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_4277</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">29</subfield><subfield code="j">2022</subfield><subfield code="e">32</subfield><subfield code="b">25</subfield><subfield code="c">02</subfield><subfield code="h">49050-49058</subfield></datafield></record></collection>
author	Li, Baiyi
spellingShingle	Li, Baiyi ddc 570 ddc 690 fid BIODIV misc Backfill misc Thermal conductivity misc Graphite misc Thermal enhancement misc Thermal Energy storage Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation
authorStr	Li, Baiyi
ppnlink_with_tag_str_mv	@@773@@(DE-627)171335805
format	Article
dewey-ones	570 - Life sciences; biology 360 - Social problems & services; associations 333 - Economics of land & energy 690 - Buildings 540 - Chemistry & allied sciences
delete_txt_mv	keep
author_role	aut aut aut aut aut
collection	OLC
remote_str	false
illustrated	Not Illustrated
issn	0944-1344
topic_title	570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation Backfill Thermal conductivity Graphite Thermal enhancement Thermal Energy storage
topic	ddc 570 ddc 690 fid BIODIV misc Backfill misc Thermal conductivity misc Graphite misc Thermal enhancement misc Thermal Energy storage
topic_unstemmed	ddc 570 ddc 690 fid BIODIV misc Backfill misc Thermal conductivity misc Graphite misc Thermal enhancement misc Thermal Energy storage
topic_browse	ddc 570 ddc 690 fid BIODIV misc Backfill misc Thermal conductivity misc Graphite misc Thermal enhancement misc Thermal Energy storage
format_facet	Aufsätze Gedruckte Aufsätze
format_main_str_mv	Text Zeitschrift/Artikel
carriertype_str_mv	nc
hierarchy_parent_title	Environmental science and pollution research
hierarchy_parent_id	171335805
dewey-tens	570 - Life sciences; biology 360 - Social problems & social services 330 - Economics 690 - Building & construction 540 - Chemistry
hierarchy_top_title	Environmental science and pollution research
isfreeaccess_txt	false
familylinks_str_mv	(DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101
title	Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation
ctrlnum	(DE-627)OLC2079074318 (DE-He213)s11356-022-19305-9-p
title_full	Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation
author_sort	Li, Baiyi
journal	Environmental science and pollution research
journalStr	Environmental science and pollution research
lang_code	eng
isOA_bool	false
dewey-hundreds	500 - Science 300 - Social sciences 600 - Technology
recordtype	marc
publishDateSort	2022
contenttype_str_mv	txt
container_start_page	49050
author_browse	Li, Baiyi Zhang, Jixiong Yan, Hao Liu, Hengfeng Zhu, Cunli
container_volume	29
class	570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid
format_se	Aufsätze
author-letter	Li, Baiyi
doi_str_mv	10.1007/s11356-022-19305-9
normlink	(ORCID)0000-0002-2583-5683
normlink_prefix_str_mv	(orcid)0000-0002-2583-5683
dewey-full	570 360 333.7 690 540
title_sort	thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation
title_auth	Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation
abstract	Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022
abstractGer	Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022
abstract_unstemmed	Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022
collection_details	GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277
container_issue	32
title_short	Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation
url	https://doi.org/10.1007/s11356-022-19305-9
remote_bool	false
author2	Zhang, Jixiong Yan, Hao Liu, Hengfeng Zhu, Cunli
author2Str	Zhang, Jixiong Yan, Hao Liu, Hengfeng Zhu, Cunli
ppnlink	171335805
mediatype_str_mv	n
isOA_txt	false
hochschulschrift_bool	false
doi_str	10.1007/s11356-022-19305-9
up_date	2024-07-03T23:24:18.988Z
_version_	1803602162079498240
fullrecord_marcxml	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">OLC2079074318</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230606195324.0</controlfield><controlfield tag="007">tu</controlfield><controlfield tag="008">221220s2022 xx \|\|\|\|\| 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s11356-022-19305-9</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)OLC2079074318</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-He213)s11356-022-19305-9-p</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">570</subfield><subfield code="a">360</subfield><subfield code="a">333.7</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">690</subfield><subfield code="a">333.7</subfield><subfield code="a">540</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">BIODIV</subfield><subfield code="q">DE-30</subfield><subfield code="2">fid</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Li, Baiyi</subfield><subfield code="e">verfasserin</subfield><subfield code="0">(orcid)0000-0002-2583-5683</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2022</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">ohne Hilfsmittel zu benutzen</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Band</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract Thermal conductivity of mine backfill is vital for understanding the geothermal energy extraction potential in deep underground mines. Geothermal energy extraction efficiency could be improved with higher thermal conductivity of backfill. Thermal conductivities of gangue-cemented paste backfill enhanced with graphite and silica sand were investigated through laboratory tests in this article. The thermal conductivity measurement was conducted using the Hot Disk Thermal Constants Analyzer. Effects of graphite and silica sand on the thermal conductivity, slump, and compressive strength of gangue-cemented paste backfill were analyzed. The results highlighted the favorable influence of graphite on the thermal performance of backfilling materials, with adverse effect on the mechanical behavior and negative impact on the flowability. Thermal conductivity of gangue-cemented paste backfill markedly increased with graphite ratio, while more water is consumed for the workable slurry with the increased graphite ratio, which also leads to the degradation of compressive strength. The reasonable graphite content should be determined with the expected thermal enhancement and acceptable compressive strength. The addition of silica sand can effectively enhance the thermal conductivity of GCPB without degrading the compressive performance and flow performance. This study would provide a new insight into the design of backfill considering the thermal conductivity and lay a foundation for the efficient geothermal energy in deep mines.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Backfill</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Thermal conductivity</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Graphite</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Thermal enhancement</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Thermal Energy storage</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhang, Jixiong</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Yan, Hao</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Liu, Hengfeng</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhu, Cunli</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Environmental science and pollution research</subfield><subfield code="d">Springer Berlin Heidelberg, 1994</subfield><subfield code="g">29(2022), 32 vom: 25. Feb., Seite 49050-49058</subfield><subfield code="w">(DE-627)171335805</subfield><subfield code="w">(DE-600)1178791-0</subfield><subfield code="w">(DE-576)038875101</subfield><subfield code="x">0944-1344</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:29</subfield><subfield code="g">year:2022</subfield><subfield code="g">number:32</subfield><subfield code="g">day:25</subfield><subfield code="g">month:02</subfield><subfield code="g">pages:49050-49058</subfield></datafield><datafield tag="856" ind1="4" ind2="1"><subfield code="u">https://doi.org/10.1007/s11356-022-19305-9</subfield><subfield code="z">lizenzpflichtig</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_OLC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">FID-BIODIV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-UMW</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-ARC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-TEC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-CHE</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-FOR</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-DE-84</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_252</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_267</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_2018</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_4277</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">29</subfield><subfield code="j">2022</subfield><subfield code="e">32</subfield><subfield code="b">25</subfield><subfield code="c">02</subfield><subfield code="h">49050-49058</subfield></datafield></record></collection>
score	7.401292

Nicht das Richtige dabei?

Schreiben Sie uns!

Thermal enhancement of gangue-cemented paste backfill with graphite and silica sand: an experimental investigation

Nicht das Richtige dabei?

Zugang & Verfügbarkeit

Vorhandene Bände

Nicht das Richtige dabei?