Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue

Acidic aluminum sulfate residue (AASR) is treated as a hazardous solid waste. However, it contains significant amounts of aluminosilicates which could be potentially utilized to produce geopolymers. The reactive activities of the aluminosilicate phases in AASR are generally low, which is a blockage...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Tan, Xinyang [verfasserIn] Wang, Weiye [verfasserIn] Long, Shiguo [verfasserIn] Yang, Caiqian [verfasserIn] Xu, Fu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Acidic Calcination Thermal analysis FTIR Reactivity Geopolymer

Übergeordnetes Werk:	Enthalten in: Materials letters - New York, NY [u.a.] : Elsevier, 1982, 258
Übergeordnetes Werk:	volume:258

DOI / URN:	10.1016/j.matlet.2019.126810

Katalog-ID:	ELV003112039

Internformat


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520			\|a Acidic aluminum sulfate residue (AASR) is treated as a hazardous solid waste. However, it contains significant amounts of aluminosilicates which could be potentially utilized to produce geopolymers. The reactive activities of the aluminosilicate phases in AASR are generally low, which is a blockage of AASR-based activation to some extent. This paper aims to investigate the effect of calcination on mineralogical properties and reactivity of AASR at various temperatures ranging from 200 to 800 °C. It was demonstrated that AASR underwent substantial changes in its mineralogical, chemical, and dissolution properties after calcination. The specific surface area, pore-volume, pH, dissolution efficiency of Si and Al were increased with increasing of calcination temperature until 600 °C and then remained relatively stable at higher calcination temperatures. The results indicated that AASR is highly activated in a range of calcination temperatures between 600 and 800 °C, which verified the potential of using calcinated AASR to manufacture geopolymer products upon proper calcination process.
650		4	\|a Acidic
650		4	\|a Calcination
650		4	\|a Thermal analysis
650		4	\|a FTIR
650		4	\|a Reactivity
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author_variant	x t xt w w ww s l sl c y cy f x fx
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allfields	10.1016/j.matlet.2019.126810 doi (DE-627)ELV003112039 (ELSEVIER)S0167-577X(19)31441-7 DE-627 ger DE-627 rda eng 530 600 670 DE-600 51.00 bkl Tan, Xinyang verfasserin aut Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Acidic aluminum sulfate residue (AASR) is treated as a hazardous solid waste. However, it contains significant amounts of aluminosilicates which could be potentially utilized to produce geopolymers. The reactive activities of the aluminosilicate phases in AASR are generally low, which is a blockage of AASR-based activation to some extent. This paper aims to investigate the effect of calcination on mineralogical properties and reactivity of AASR at various temperatures ranging from 200 to 800 °C. It was demonstrated that AASR underwent substantial changes in its mineralogical, chemical, and dissolution properties after calcination. The specific surface area, pore-volume, pH, dissolution efficiency of Si and Al were increased with increasing of calcination temperature until 600 °C and then remained relatively stable at higher calcination temperatures. The results indicated that AASR is highly activated in a range of calcination temperatures between 600 and 800 °C, which verified the potential of using calcinated AASR to manufacture geopolymer products upon proper calcination process. Acidic Calcination Thermal analysis FTIR Reactivity Geopolymer Wang, Weiye verfasserin aut Long, Shiguo verfasserin aut Yang, Caiqian verfasserin aut Xu, Fu verfasserin (orcid)0000-0001-7658-4952 aut Enthalten in Materials letters New York, NY [u.a.] : Elsevier, 1982 258 Online-Ressource (DE-627)302719407 (DE-600)1491964-3 (DE-576)259483974 1873-4979 nnns volume:258 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.00 Werkstoffkunde: Allgemeines AR 258
spelling	10.1016/j.matlet.2019.126810 doi (DE-627)ELV003112039 (ELSEVIER)S0167-577X(19)31441-7 DE-627 ger DE-627 rda eng 530 600 670 DE-600 51.00 bkl Tan, Xinyang verfasserin aut Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Acidic aluminum sulfate residue (AASR) is treated as a hazardous solid waste. However, it contains significant amounts of aluminosilicates which could be potentially utilized to produce geopolymers. The reactive activities of the aluminosilicate phases in AASR are generally low, which is a blockage of AASR-based activation to some extent. This paper aims to investigate the effect of calcination on mineralogical properties and reactivity of AASR at various temperatures ranging from 200 to 800 °C. It was demonstrated that AASR underwent substantial changes in its mineralogical, chemical, and dissolution properties after calcination. The specific surface area, pore-volume, pH, dissolution efficiency of Si and Al were increased with increasing of calcination temperature until 600 °C and then remained relatively stable at higher calcination temperatures. The results indicated that AASR is highly activated in a range of calcination temperatures between 600 and 800 °C, which verified the potential of using calcinated AASR to manufacture geopolymer products upon proper calcination process. Acidic Calcination Thermal analysis FTIR Reactivity Geopolymer Wang, Weiye verfasserin aut Long, Shiguo verfasserin aut Yang, Caiqian verfasserin aut Xu, Fu verfasserin (orcid)0000-0001-7658-4952 aut Enthalten in Materials letters New York, NY [u.a.] : Elsevier, 1982 258 Online-Ressource (DE-627)302719407 (DE-600)1491964-3 (DE-576)259483974 1873-4979 nnns volume:258 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.00 Werkstoffkunde: Allgemeines AR 258
allfields_unstemmed	10.1016/j.matlet.2019.126810 doi (DE-627)ELV003112039 (ELSEVIER)S0167-577X(19)31441-7 DE-627 ger DE-627 rda eng 530 600 670 DE-600 51.00 bkl Tan, Xinyang verfasserin aut Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Acidic aluminum sulfate residue (AASR) is treated as a hazardous solid waste. However, it contains significant amounts of aluminosilicates which could be potentially utilized to produce geopolymers. The reactive activities of the aluminosilicate phases in AASR are generally low, which is a blockage of AASR-based activation to some extent. This paper aims to investigate the effect of calcination on mineralogical properties and reactivity of AASR at various temperatures ranging from 200 to 800 °C. It was demonstrated that AASR underwent substantial changes in its mineralogical, chemical, and dissolution properties after calcination. The specific surface area, pore-volume, pH, dissolution efficiency of Si and Al were increased with increasing of calcination temperature until 600 °C and then remained relatively stable at higher calcination temperatures. The results indicated that AASR is highly activated in a range of calcination temperatures between 600 and 800 °C, which verified the potential of using calcinated AASR to manufacture geopolymer products upon proper calcination process. Acidic Calcination Thermal analysis FTIR Reactivity Geopolymer Wang, Weiye verfasserin aut Long, Shiguo verfasserin aut Yang, Caiqian verfasserin aut Xu, Fu verfasserin (orcid)0000-0001-7658-4952 aut Enthalten in Materials letters New York, NY [u.a.] : Elsevier, 1982 258 Online-Ressource (DE-627)302719407 (DE-600)1491964-3 (DE-576)259483974 1873-4979 nnns volume:258 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.00 Werkstoffkunde: Allgemeines AR 258
allfieldsGer	10.1016/j.matlet.2019.126810 doi (DE-627)ELV003112039 (ELSEVIER)S0167-577X(19)31441-7 DE-627 ger DE-627 rda eng 530 600 670 DE-600 51.00 bkl Tan, Xinyang verfasserin aut Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Acidic aluminum sulfate residue (AASR) is treated as a hazardous solid waste. However, it contains significant amounts of aluminosilicates which could be potentially utilized to produce geopolymers. The reactive activities of the aluminosilicate phases in AASR are generally low, which is a blockage of AASR-based activation to some extent. This paper aims to investigate the effect of calcination on mineralogical properties and reactivity of AASR at various temperatures ranging from 200 to 800 °C. It was demonstrated that AASR underwent substantial changes in its mineralogical, chemical, and dissolution properties after calcination. The specific surface area, pore-volume, pH, dissolution efficiency of Si and Al were increased with increasing of calcination temperature until 600 °C and then remained relatively stable at higher calcination temperatures. The results indicated that AASR is highly activated in a range of calcination temperatures between 600 and 800 °C, which verified the potential of using calcinated AASR to manufacture geopolymer products upon proper calcination process. Acidic Calcination Thermal analysis FTIR Reactivity Geopolymer Wang, Weiye verfasserin aut Long, Shiguo verfasserin aut Yang, Caiqian verfasserin aut Xu, Fu verfasserin (orcid)0000-0001-7658-4952 aut Enthalten in Materials letters New York, NY [u.a.] : Elsevier, 1982 258 Online-Ressource (DE-627)302719407 (DE-600)1491964-3 (DE-576)259483974 1873-4979 nnns volume:258 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.00 Werkstoffkunde: Allgemeines AR 258
allfieldsSound	10.1016/j.matlet.2019.126810 doi (DE-627)ELV003112039 (ELSEVIER)S0167-577X(19)31441-7 DE-627 ger DE-627 rda eng 530 600 670 DE-600 51.00 bkl Tan, Xinyang verfasserin aut Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Acidic aluminum sulfate residue (AASR) is treated as a hazardous solid waste. However, it contains significant amounts of aluminosilicates which could be potentially utilized to produce geopolymers. The reactive activities of the aluminosilicate phases in AASR are generally low, which is a blockage of AASR-based activation to some extent. This paper aims to investigate the effect of calcination on mineralogical properties and reactivity of AASR at various temperatures ranging from 200 to 800 °C. It was demonstrated that AASR underwent substantial changes in its mineralogical, chemical, and dissolution properties after calcination. The specific surface area, pore-volume, pH, dissolution efficiency of Si and Al were increased with increasing of calcination temperature until 600 °C and then remained relatively stable at higher calcination temperatures. The results indicated that AASR is highly activated in a range of calcination temperatures between 600 and 800 °C, which verified the potential of using calcinated AASR to manufacture geopolymer products upon proper calcination process. Acidic Calcination Thermal analysis FTIR Reactivity Geopolymer Wang, Weiye verfasserin aut Long, Shiguo verfasserin aut Yang, Caiqian verfasserin aut Xu, Fu verfasserin (orcid)0000-0001-7658-4952 aut Enthalten in Materials letters New York, NY [u.a.] : Elsevier, 1982 258 Online-Ressource (DE-627)302719407 (DE-600)1491964-3 (DE-576)259483974 1873-4979 nnns volume:258 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.00 Werkstoffkunde: Allgemeines AR 258
language	English
source	Enthalten in Materials letters 258 volume:258
sourceStr	Enthalten in Materials letters 258 volume:258
format_phy_str_mv	Article
bklname	Werkstoffkunde: Allgemeines
institution	findex.gbv.de
topic_facet	Acidic Calcination Thermal analysis FTIR Reactivity Geopolymer
dewey-raw	530
isfreeaccess_bool	false
container_title	Materials letters
authorswithroles_txt_mv	Tan, Xinyang @@aut@@ Wang, Weiye @@aut@@ Long, Shiguo @@aut@@ Yang, Caiqian @@aut@@ Xu, Fu @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	302719407
dewey-sort	3530
id	ELV003112039
language_de	englisch
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author	Tan, Xinyang
spellingShingle	Tan, Xinyang ddc 530 bkl 51.00 misc Acidic misc Calcination misc Thermal analysis misc FTIR misc Reactivity misc Geopolymer Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue
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title	Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue
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title_full	Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue
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title_sort	effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue
title_auth	Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue
abstract	Acidic aluminum sulfate residue (AASR) is treated as a hazardous solid waste. However, it contains significant amounts of aluminosilicates which could be potentially utilized to produce geopolymers. The reactive activities of the aluminosilicate phases in AASR are generally low, which is a blockage of AASR-based activation to some extent. This paper aims to investigate the effect of calcination on mineralogical properties and reactivity of AASR at various temperatures ranging from 200 to 800 °C. It was demonstrated that AASR underwent substantial changes in its mineralogical, chemical, and dissolution properties after calcination. The specific surface area, pore-volume, pH, dissolution efficiency of Si and Al were increased with increasing of calcination temperature until 600 °C and then remained relatively stable at higher calcination temperatures. The results indicated that AASR is highly activated in a range of calcination temperatures between 600 and 800 °C, which verified the potential of using calcinated AASR to manufacture geopolymer products upon proper calcination process.
abstractGer	Acidic aluminum sulfate residue (AASR) is treated as a hazardous solid waste. However, it contains significant amounts of aluminosilicates which could be potentially utilized to produce geopolymers. The reactive activities of the aluminosilicate phases in AASR are generally low, which is a blockage of AASR-based activation to some extent. This paper aims to investigate the effect of calcination on mineralogical properties and reactivity of AASR at various temperatures ranging from 200 to 800 °C. It was demonstrated that AASR underwent substantial changes in its mineralogical, chemical, and dissolution properties after calcination. The specific surface area, pore-volume, pH, dissolution efficiency of Si and Al were increased with increasing of calcination temperature until 600 °C and then remained relatively stable at higher calcination temperatures. The results indicated that AASR is highly activated in a range of calcination temperatures between 600 and 800 °C, which verified the potential of using calcinated AASR to manufacture geopolymer products upon proper calcination process.
abstract_unstemmed	Acidic aluminum sulfate residue (AASR) is treated as a hazardous solid waste. However, it contains significant amounts of aluminosilicates which could be potentially utilized to produce geopolymers. The reactive activities of the aluminosilicate phases in AASR are generally low, which is a blockage of AASR-based activation to some extent. This paper aims to investigate the effect of calcination on mineralogical properties and reactivity of AASR at various temperatures ranging from 200 to 800 °C. It was demonstrated that AASR underwent substantial changes in its mineralogical, chemical, and dissolution properties after calcination. The specific surface area, pore-volume, pH, dissolution efficiency of Si and Al were increased with increasing of calcination temperature until 600 °C and then remained relatively stable at higher calcination temperatures. The results indicated that AASR is highly activated in a range of calcination temperatures between 600 and 800 °C, which verified the potential of using calcinated AASR to manufacture geopolymer products upon proper calcination process.
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title_short	Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue
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up_date	2024-07-06T18:31:49.047Z
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Effects of calcination on mineralogical properties and reactivity of acidic aluminum sulfate residue

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