Calcium-doped carbon fabrication for improving bioH2 and bioCH4 production
Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) w...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Yang, Junwei [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021transfer abstract |
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| Schlagwörter: |
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| Umfang: |
11 |
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| Übergeordnetes Werk: |
Enthalten in: External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs - Dedhia, Kavita ELSEVIER, 2018, official journal of the International Association for Hydrogen Energy, New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:46 ; year:2021 ; number:41 ; day:15 ; month:06 ; pages:21348-21358 ; extent:11 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.ijhydene.2021.03.222 |
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| 245 | 1 | 0 | |a Calcium-doped carbon fabrication for improving bioH2 and bioCH4 production |
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| 520 | |a Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. | ||
| 520 | |a Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. | ||
| 650 | 7 | |a Hydrogen and methane |2 Elsevier | |
| 650 | 7 | |a Two-phase anaerobic digestion |2 Elsevier | |
| 650 | 7 | |a Enhanced mechanisms |2 Elsevier | |
| 650 | 7 | |a Calcium lignosulphonate-derived carbon |2 Elsevier | |
| 700 | 1 | |a Zhang, Jishi |4 oth | |
| 700 | 1 | |a Li, Zhenmin |4 oth | |
| 700 | 1 | |a Zhang, Junchu |4 oth | |
| 700 | 1 | |a Zhao, Lei |4 oth | |
| 700 | 1 | |a Zang, Lihua |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Dedhia, Kavita ELSEVIER |t External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs |d 2018 |d official journal of the International Association for Hydrogen Energy |g New York, NY [u.a.] |w (DE-627)ELV000127019 |
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10.1016/j.ijhydene.2021.03.222 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001411.pica (DE-627)ELV054247519 (ELSEVIER)S0360-3199(21)01218-0 DE-627 ger DE-627 rakwb eng 610 VZ 44.94 bkl Yang, Junwei verfasserin aut Calcium-doped carbon fabrication for improving bioH2 and bioCH4 production 2021transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. Hydrogen and methane Elsevier Two-phase anaerobic digestion Elsevier Enhanced mechanisms Elsevier Calcium lignosulphonate-derived carbon Elsevier Zhang, Jishi oth Li, Zhenmin oth Zhang, Junchu oth Zhao, Lei oth Zang, Lihua oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:46 year:2021 number:41 day:15 month:06 pages:21348-21358 extent:11 https://doi.org/10.1016/j.ijhydene.2021.03.222 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 46 2021 41 15 0615 21348-21358 11 |
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10.1016/j.ijhydene.2021.03.222 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001411.pica (DE-627)ELV054247519 (ELSEVIER)S0360-3199(21)01218-0 DE-627 ger DE-627 rakwb eng 610 VZ 44.94 bkl Yang, Junwei verfasserin aut Calcium-doped carbon fabrication for improving bioH2 and bioCH4 production 2021transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. Hydrogen and methane Elsevier Two-phase anaerobic digestion Elsevier Enhanced mechanisms Elsevier Calcium lignosulphonate-derived carbon Elsevier Zhang, Jishi oth Li, Zhenmin oth Zhang, Junchu oth Zhao, Lei oth Zang, Lihua oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:46 year:2021 number:41 day:15 month:06 pages:21348-21358 extent:11 https://doi.org/10.1016/j.ijhydene.2021.03.222 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 46 2021 41 15 0615 21348-21358 11 |
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10.1016/j.ijhydene.2021.03.222 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001411.pica (DE-627)ELV054247519 (ELSEVIER)S0360-3199(21)01218-0 DE-627 ger DE-627 rakwb eng 610 VZ 44.94 bkl Yang, Junwei verfasserin aut Calcium-doped carbon fabrication for improving bioH2 and bioCH4 production 2021transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. Hydrogen and methane Elsevier Two-phase anaerobic digestion Elsevier Enhanced mechanisms Elsevier Calcium lignosulphonate-derived carbon Elsevier Zhang, Jishi oth Li, Zhenmin oth Zhang, Junchu oth Zhao, Lei oth Zang, Lihua oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:46 year:2021 number:41 day:15 month:06 pages:21348-21358 extent:11 https://doi.org/10.1016/j.ijhydene.2021.03.222 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 46 2021 41 15 0615 21348-21358 11 |
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10.1016/j.ijhydene.2021.03.222 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001411.pica (DE-627)ELV054247519 (ELSEVIER)S0360-3199(21)01218-0 DE-627 ger DE-627 rakwb eng 610 VZ 44.94 bkl Yang, Junwei verfasserin aut Calcium-doped carbon fabrication for improving bioH2 and bioCH4 production 2021transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. Hydrogen and methane Elsevier Two-phase anaerobic digestion Elsevier Enhanced mechanisms Elsevier Calcium lignosulphonate-derived carbon Elsevier Zhang, Jishi oth Li, Zhenmin oth Zhang, Junchu oth Zhao, Lei oth Zang, Lihua oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:46 year:2021 number:41 day:15 month:06 pages:21348-21358 extent:11 https://doi.org/10.1016/j.ijhydene.2021.03.222 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 46 2021 41 15 0615 21348-21358 11 |
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10.1016/j.ijhydene.2021.03.222 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001411.pica (DE-627)ELV054247519 (ELSEVIER)S0360-3199(21)01218-0 DE-627 ger DE-627 rakwb eng 610 VZ 44.94 bkl Yang, Junwei verfasserin aut Calcium-doped carbon fabrication for improving bioH2 and bioCH4 production 2021transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. Hydrogen and methane Elsevier Two-phase anaerobic digestion Elsevier Enhanced mechanisms Elsevier Calcium lignosulphonate-derived carbon Elsevier Zhang, Jishi oth Li, Zhenmin oth Zhang, Junchu oth Zhao, Lei oth Zang, Lihua oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:46 year:2021 number:41 day:15 month:06 pages:21348-21358 extent:11 https://doi.org/10.1016/j.ijhydene.2021.03.222 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 46 2021 41 15 0615 21348-21358 11 |
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Enthalten in External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs New York, NY [u.a.] volume:46 year:2021 number:41 day:15 month:06 pages:21348-21358 extent:11 |
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Enthalten in External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs New York, NY [u.a.] volume:46 year:2021 number:41 day:15 month:06 pages:21348-21358 extent:11 |
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calcium-doped carbon fabrication for improving bioh2 and bioch4 production |
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Calcium-doped carbon fabrication for improving bioH2 and bioCH4 production |
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Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. |
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Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. |
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Carbon-based materials have been well demonstrated to significantly improve biohydrogen (bioH2) and biomethane (bioCH4) production. However, the use of the same material for two-phase anaerobic digestion requires further investigation. In this study, three calcium-doped magnetic biochars (Ca-MBCs) with Fe2+ (0.01, 0.05 and 0.1 mol/L) and calcium lignosulphonate (CL) were prepared to promote H2 and CH4 yields. Material characterization revealed that the specific surface area was significantly increased and Fe ions were successfully attached to the BCs. All three Ca -MBCs can effectively raise H2 yield, especially Ca-MBC2 (0.05 mol/L Fe2+), and the highest H2 yield of 1050 mL was obtained. Under optimal conditions, the cumulative H2 (37 °C, pH 6.0) and CH4 yields (37 °C, pH 7.0) were 948 mL and 1599 mL, respectively, which were 64.9% and 40.8% higher than those of the control group. Ca-MBC2 promoted the activity of butyric acid fermentative bacteria at the H2 evolution phase, raising the relative abundance of Clostridium; At the methanogenisis phase, the content of coenzyme F420 was increased, and Ca-MBC2 could change the methanogens dominant strain, strengthen the dominant strain position of Methanolinea, and raise the relative abundances of H2- and acetic acid-trophic strains of Methanoregula, Methanosaeta, and Methanosarcina. |
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