Performance of a thermophilic sulfate and sulfite reducing high rate anaerobic reactor fed with methanol
Abstract Thermophilic sulfate and sulfite reduction was studied in lab-scale Expanded Granular Sludge Bed (EGSB) reactors operated at 65°C and pH 7.5 with methanol as the sole carbon and energy source for the sulfate- and sulfite-reducing bacteria. At a hydraulic retention time (HRT) of 10 h, maximu...
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2000 |
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| Umfang: |
11 |
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| Reproduktion: |
Springer Online Journal Archives 1860-2002 |
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| Übergeordnetes Werk: |
in: Biodegradation - 1990, 11(2000) vom: Juni, Seite 429-439 |
| Übergeordnetes Werk: |
volume:11 ; year:2000 ; month:06 ; pages:429-439 ; extent:11 |
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NLEJ193198991 |
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| 520 | |a Abstract Thermophilic sulfate and sulfite reduction was studied in lab-scale Expanded Granular Sludge Bed (EGSB) reactors operated at 65°C and pH 7.5 with methanol as the sole carbon and energy source for the sulfate- and sulfite-reducing bacteria. At a hydraulic retention time (HRT) of 10 h, maximum sulfite and sulfate elimination rates of 5.5 gSO3 2- L-1 day-1 (100 % elimination) and 5.7 gSO4 2- -1 day-1 (55% elimination) were achieved, resulting in an effluent sulfide concentration of approximately 1800 mgS L-1. Sulfate elimination was limited by the sulfide concentration, as stripping of H2S from the reactor with nitrogen gas was found to increase the sulfate elimination rate to 9.9 gSO4 2- L-1 day-1 (100 % elimination). At a HRT of 3 h, maximum achievable sulfite and sulfate elimination rates were even 18 gSO3 2- L-1 day-1 (100% elimination) and 11 gSO4 2- L-1 day-1(50% elimination). At a HRT of 3 h, the elimination rate was limited by the biomass retention of the system. 5.5 ± 1.8% of the consumed methanol was converted to acetate, which was not further degraded by sulfate reducing bacteria present in the sludge. The acetotrophic activity of the sludge could not be stimulated by cultivating the sludge for 30 days under methanol-limiting conditions. Omitting cobalt as trace element from the influent resulted in a lower acetate production rate, but it also led to a lower sulfate reduction rate. Sulfate degradation in the reactor could be described by zeroth order kinetics down to a threshold concentration of 0.05 g L-1, while methanol degradation followed Michaelis-Menten kinetics with a Km of 0.037 gCOD L-1. | ||
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(DE-627)NLEJ193198991 DE-627 ger DE-627 rakwb eng Performance of a thermophilic sulfate and sulfite reducing high rate anaerobic reactor fed with methanol 2000 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Thermophilic sulfate and sulfite reduction was studied in lab-scale Expanded Granular Sludge Bed (EGSB) reactors operated at 65°C and pH 7.5 with methanol as the sole carbon and energy source for the sulfate- and sulfite-reducing bacteria. At a hydraulic retention time (HRT) of 10 h, maximum sulfite and sulfate elimination rates of 5.5 gSO3 2- L-1 day-1 (100 % elimination) and 5.7 gSO4 2- -1 day-1 (55% elimination) were achieved, resulting in an effluent sulfide concentration of approximately 1800 mgS L-1. Sulfate elimination was limited by the sulfide concentration, as stripping of H2S from the reactor with nitrogen gas was found to increase the sulfate elimination rate to 9.9 gSO4 2- L-1 day-1 (100 % elimination). At a HRT of 3 h, maximum achievable sulfite and sulfate elimination rates were even 18 gSO3 2- L-1 day-1 (100% elimination) and 11 gSO4 2- L-1 day-1(50% elimination). At a HRT of 3 h, the elimination rate was limited by the biomass retention of the system. 5.5 ± 1.8% of the consumed methanol was converted to acetate, which was not further degraded by sulfate reducing bacteria present in the sludge. The acetotrophic activity of the sludge could not be stimulated by cultivating the sludge for 30 days under methanol-limiting conditions. Omitting cobalt as trace element from the influent resulted in a lower acetate production rate, but it also led to a lower sulfate reduction rate. Sulfate degradation in the reactor could be described by zeroth order kinetics down to a threshold concentration of 0.05 g L-1, while methanol degradation followed Michaelis-Menten kinetics with a Km of 0.037 gCOD L-1. Springer Online Journal Archives 1860-2002 Weijma, Jan oth Hulshoff Pol, Look W. oth Stams, Alfons J.M. oth Lettinga, Gatze oth in Biodegradation 1990 11(2000) vom: Juni, Seite 429-439 (DE-627)NLEJ188992480 (DE-600)2000781-4 1572-9729 nnns volume:11 year:2000 month:06 pages:429-439 extent:11 http://dx.doi.org/10.1023/A:1011616900294 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 11 2000 6 429-439 11 |
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(DE-627)NLEJ193198991 DE-627 ger DE-627 rakwb eng Performance of a thermophilic sulfate and sulfite reducing high rate anaerobic reactor fed with methanol 2000 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Thermophilic sulfate and sulfite reduction was studied in lab-scale Expanded Granular Sludge Bed (EGSB) reactors operated at 65°C and pH 7.5 with methanol as the sole carbon and energy source for the sulfate- and sulfite-reducing bacteria. At a hydraulic retention time (HRT) of 10 h, maximum sulfite and sulfate elimination rates of 5.5 gSO3 2- L-1 day-1 (100 % elimination) and 5.7 gSO4 2- -1 day-1 (55% elimination) were achieved, resulting in an effluent sulfide concentration of approximately 1800 mgS L-1. Sulfate elimination was limited by the sulfide concentration, as stripping of H2S from the reactor with nitrogen gas was found to increase the sulfate elimination rate to 9.9 gSO4 2- L-1 day-1 (100 % elimination). At a HRT of 3 h, maximum achievable sulfite and sulfate elimination rates were even 18 gSO3 2- L-1 day-1 (100% elimination) and 11 gSO4 2- L-1 day-1(50% elimination). At a HRT of 3 h, the elimination rate was limited by the biomass retention of the system. 5.5 ± 1.8% of the consumed methanol was converted to acetate, which was not further degraded by sulfate reducing bacteria present in the sludge. The acetotrophic activity of the sludge could not be stimulated by cultivating the sludge for 30 days under methanol-limiting conditions. Omitting cobalt as trace element from the influent resulted in a lower acetate production rate, but it also led to a lower sulfate reduction rate. Sulfate degradation in the reactor could be described by zeroth order kinetics down to a threshold concentration of 0.05 g L-1, while methanol degradation followed Michaelis-Menten kinetics with a Km of 0.037 gCOD L-1. Springer Online Journal Archives 1860-2002 Weijma, Jan oth Hulshoff Pol, Look W. oth Stams, Alfons J.M. oth Lettinga, Gatze oth in Biodegradation 1990 11(2000) vom: Juni, Seite 429-439 (DE-627)NLEJ188992480 (DE-600)2000781-4 1572-9729 nnns volume:11 year:2000 month:06 pages:429-439 extent:11 http://dx.doi.org/10.1023/A:1011616900294 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 11 2000 6 429-439 11 |
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(DE-627)NLEJ193198991 DE-627 ger DE-627 rakwb eng Performance of a thermophilic sulfate and sulfite reducing high rate anaerobic reactor fed with methanol 2000 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Thermophilic sulfate and sulfite reduction was studied in lab-scale Expanded Granular Sludge Bed (EGSB) reactors operated at 65°C and pH 7.5 with methanol as the sole carbon and energy source for the sulfate- and sulfite-reducing bacteria. At a hydraulic retention time (HRT) of 10 h, maximum sulfite and sulfate elimination rates of 5.5 gSO3 2- L-1 day-1 (100 % elimination) and 5.7 gSO4 2- -1 day-1 (55% elimination) were achieved, resulting in an effluent sulfide concentration of approximately 1800 mgS L-1. Sulfate elimination was limited by the sulfide concentration, as stripping of H2S from the reactor with nitrogen gas was found to increase the sulfate elimination rate to 9.9 gSO4 2- L-1 day-1 (100 % elimination). At a HRT of 3 h, maximum achievable sulfite and sulfate elimination rates were even 18 gSO3 2- L-1 day-1 (100% elimination) and 11 gSO4 2- L-1 day-1(50% elimination). At a HRT of 3 h, the elimination rate was limited by the biomass retention of the system. 5.5 ± 1.8% of the consumed methanol was converted to acetate, which was not further degraded by sulfate reducing bacteria present in the sludge. The acetotrophic activity of the sludge could not be stimulated by cultivating the sludge for 30 days under methanol-limiting conditions. Omitting cobalt as trace element from the influent resulted in a lower acetate production rate, but it also led to a lower sulfate reduction rate. Sulfate degradation in the reactor could be described by zeroth order kinetics down to a threshold concentration of 0.05 g L-1, while methanol degradation followed Michaelis-Menten kinetics with a Km of 0.037 gCOD L-1. Springer Online Journal Archives 1860-2002 Weijma, Jan oth Hulshoff Pol, Look W. oth Stams, Alfons J.M. oth Lettinga, Gatze oth in Biodegradation 1990 11(2000) vom: Juni, Seite 429-439 (DE-627)NLEJ188992480 (DE-600)2000781-4 1572-9729 nnns volume:11 year:2000 month:06 pages:429-439 extent:11 http://dx.doi.org/10.1023/A:1011616900294 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 11 2000 6 429-439 11 |
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(DE-627)NLEJ193198991 DE-627 ger DE-627 rakwb eng Performance of a thermophilic sulfate and sulfite reducing high rate anaerobic reactor fed with methanol 2000 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Thermophilic sulfate and sulfite reduction was studied in lab-scale Expanded Granular Sludge Bed (EGSB) reactors operated at 65°C and pH 7.5 with methanol as the sole carbon and energy source for the sulfate- and sulfite-reducing bacteria. At a hydraulic retention time (HRT) of 10 h, maximum sulfite and sulfate elimination rates of 5.5 gSO3 2- L-1 day-1 (100 % elimination) and 5.7 gSO4 2- -1 day-1 (55% elimination) were achieved, resulting in an effluent sulfide concentration of approximately 1800 mgS L-1. Sulfate elimination was limited by the sulfide concentration, as stripping of H2S from the reactor with nitrogen gas was found to increase the sulfate elimination rate to 9.9 gSO4 2- L-1 day-1 (100 % elimination). At a HRT of 3 h, maximum achievable sulfite and sulfate elimination rates were even 18 gSO3 2- L-1 day-1 (100% elimination) and 11 gSO4 2- L-1 day-1(50% elimination). At a HRT of 3 h, the elimination rate was limited by the biomass retention of the system. 5.5 ± 1.8% of the consumed methanol was converted to acetate, which was not further degraded by sulfate reducing bacteria present in the sludge. The acetotrophic activity of the sludge could not be stimulated by cultivating the sludge for 30 days under methanol-limiting conditions. Omitting cobalt as trace element from the influent resulted in a lower acetate production rate, but it also led to a lower sulfate reduction rate. Sulfate degradation in the reactor could be described by zeroth order kinetics down to a threshold concentration of 0.05 g L-1, while methanol degradation followed Michaelis-Menten kinetics with a Km of 0.037 gCOD L-1. Springer Online Journal Archives 1860-2002 Weijma, Jan oth Hulshoff Pol, Look W. oth Stams, Alfons J.M. oth Lettinga, Gatze oth in Biodegradation 1990 11(2000) vom: Juni, Seite 429-439 (DE-627)NLEJ188992480 (DE-600)2000781-4 1572-9729 nnns volume:11 year:2000 month:06 pages:429-439 extent:11 http://dx.doi.org/10.1023/A:1011616900294 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 11 2000 6 429-439 11 |
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(DE-627)NLEJ193198991 DE-627 ger DE-627 rakwb eng Performance of a thermophilic sulfate and sulfite reducing high rate anaerobic reactor fed with methanol 2000 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Thermophilic sulfate and sulfite reduction was studied in lab-scale Expanded Granular Sludge Bed (EGSB) reactors operated at 65°C and pH 7.5 with methanol as the sole carbon and energy source for the sulfate- and sulfite-reducing bacteria. At a hydraulic retention time (HRT) of 10 h, maximum sulfite and sulfate elimination rates of 5.5 gSO3 2- L-1 day-1 (100 % elimination) and 5.7 gSO4 2- -1 day-1 (55% elimination) were achieved, resulting in an effluent sulfide concentration of approximately 1800 mgS L-1. Sulfate elimination was limited by the sulfide concentration, as stripping of H2S from the reactor with nitrogen gas was found to increase the sulfate elimination rate to 9.9 gSO4 2- L-1 day-1 (100 % elimination). At a HRT of 3 h, maximum achievable sulfite and sulfate elimination rates were even 18 gSO3 2- L-1 day-1 (100% elimination) and 11 gSO4 2- L-1 day-1(50% elimination). At a HRT of 3 h, the elimination rate was limited by the biomass retention of the system. 5.5 ± 1.8% of the consumed methanol was converted to acetate, which was not further degraded by sulfate reducing bacteria present in the sludge. The acetotrophic activity of the sludge could not be stimulated by cultivating the sludge for 30 days under methanol-limiting conditions. Omitting cobalt as trace element from the influent resulted in a lower acetate production rate, but it also led to a lower sulfate reduction rate. Sulfate degradation in the reactor could be described by zeroth order kinetics down to a threshold concentration of 0.05 g L-1, while methanol degradation followed Michaelis-Menten kinetics with a Km of 0.037 gCOD L-1. Springer Online Journal Archives 1860-2002 Weijma, Jan oth Hulshoff Pol, Look W. oth Stams, Alfons J.M. oth Lettinga, Gatze oth in Biodegradation 1990 11(2000) vom: Juni, Seite 429-439 (DE-627)NLEJ188992480 (DE-600)2000781-4 1572-9729 nnns volume:11 year:2000 month:06 pages:429-439 extent:11 http://dx.doi.org/10.1023/A:1011616900294 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 11 2000 6 429-439 11 |
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At a hydraulic retention time (HRT) of 10 h, maximum sulfite and sulfate elimination rates of 5.5 gSO3 2- L-1 day-1 (100 % elimination) and 5.7 gSO4 2- -1 day-1 (55% elimination) were achieved, resulting in an effluent sulfide concentration of approximately 1800 mgS L-1. Sulfate elimination was limited by the sulfide concentration, as stripping of H2S from the reactor with nitrogen gas was found to increase the sulfate elimination rate to 9.9 gSO4 2- L-1 day-1 (100 % elimination). At a HRT of 3 h, maximum achievable sulfite and sulfate elimination rates were even 18 gSO3 2- L-1 day-1 (100% elimination) and 11 gSO4 2- L-1 day-1(50% elimination). At a HRT of 3 h, the elimination rate was limited by the biomass retention of the system. 5.5 ± 1.8% of the consumed methanol was converted to acetate, which was not further degraded by sulfate reducing bacteria present in the sludge. 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performance of a thermophilic sulfate and sulfite reducing high rate anaerobic reactor fed with methanol |
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Performance of a thermophilic sulfate and sulfite reducing high rate anaerobic reactor fed with methanol |
| abstract |
Abstract Thermophilic sulfate and sulfite reduction was studied in lab-scale Expanded Granular Sludge Bed (EGSB) reactors operated at 65°C and pH 7.5 with methanol as the sole carbon and energy source for the sulfate- and sulfite-reducing bacteria. At a hydraulic retention time (HRT) of 10 h, maximum sulfite and sulfate elimination rates of 5.5 gSO3 2- L-1 day-1 (100 % elimination) and 5.7 gSO4 2- -1 day-1 (55% elimination) were achieved, resulting in an effluent sulfide concentration of approximately 1800 mgS L-1. Sulfate elimination was limited by the sulfide concentration, as stripping of H2S from the reactor with nitrogen gas was found to increase the sulfate elimination rate to 9.9 gSO4 2- L-1 day-1 (100 % elimination). At a HRT of 3 h, maximum achievable sulfite and sulfate elimination rates were even 18 gSO3 2- L-1 day-1 (100% elimination) and 11 gSO4 2- L-1 day-1(50% elimination). At a HRT of 3 h, the elimination rate was limited by the biomass retention of the system. 5.5 ± 1.8% of the consumed methanol was converted to acetate, which was not further degraded by sulfate reducing bacteria present in the sludge. The acetotrophic activity of the sludge could not be stimulated by cultivating the sludge for 30 days under methanol-limiting conditions. Omitting cobalt as trace element from the influent resulted in a lower acetate production rate, but it also led to a lower sulfate reduction rate. Sulfate degradation in the reactor could be described by zeroth order kinetics down to a threshold concentration of 0.05 g L-1, while methanol degradation followed Michaelis-Menten kinetics with a Km of 0.037 gCOD L-1. |
| abstractGer |
Abstract Thermophilic sulfate and sulfite reduction was studied in lab-scale Expanded Granular Sludge Bed (EGSB) reactors operated at 65°C and pH 7.5 with methanol as the sole carbon and energy source for the sulfate- and sulfite-reducing bacteria. At a hydraulic retention time (HRT) of 10 h, maximum sulfite and sulfate elimination rates of 5.5 gSO3 2- L-1 day-1 (100 % elimination) and 5.7 gSO4 2- -1 day-1 (55% elimination) were achieved, resulting in an effluent sulfide concentration of approximately 1800 mgS L-1. Sulfate elimination was limited by the sulfide concentration, as stripping of H2S from the reactor with nitrogen gas was found to increase the sulfate elimination rate to 9.9 gSO4 2- L-1 day-1 (100 % elimination). At a HRT of 3 h, maximum achievable sulfite and sulfate elimination rates were even 18 gSO3 2- L-1 day-1 (100% elimination) and 11 gSO4 2- L-1 day-1(50% elimination). At a HRT of 3 h, the elimination rate was limited by the biomass retention of the system. 5.5 ± 1.8% of the consumed methanol was converted to acetate, which was not further degraded by sulfate reducing bacteria present in the sludge. The acetotrophic activity of the sludge could not be stimulated by cultivating the sludge for 30 days under methanol-limiting conditions. Omitting cobalt as trace element from the influent resulted in a lower acetate production rate, but it also led to a lower sulfate reduction rate. Sulfate degradation in the reactor could be described by zeroth order kinetics down to a threshold concentration of 0.05 g L-1, while methanol degradation followed Michaelis-Menten kinetics with a Km of 0.037 gCOD L-1. |
| abstract_unstemmed |
Abstract Thermophilic sulfate and sulfite reduction was studied in lab-scale Expanded Granular Sludge Bed (EGSB) reactors operated at 65°C and pH 7.5 with methanol as the sole carbon and energy source for the sulfate- and sulfite-reducing bacteria. At a hydraulic retention time (HRT) of 10 h, maximum sulfite and sulfate elimination rates of 5.5 gSO3 2- L-1 day-1 (100 % elimination) and 5.7 gSO4 2- -1 day-1 (55% elimination) were achieved, resulting in an effluent sulfide concentration of approximately 1800 mgS L-1. Sulfate elimination was limited by the sulfide concentration, as stripping of H2S from the reactor with nitrogen gas was found to increase the sulfate elimination rate to 9.9 gSO4 2- L-1 day-1 (100 % elimination). At a HRT of 3 h, maximum achievable sulfite and sulfate elimination rates were even 18 gSO3 2- L-1 day-1 (100% elimination) and 11 gSO4 2- L-1 day-1(50% elimination). At a HRT of 3 h, the elimination rate was limited by the biomass retention of the system. 5.5 ± 1.8% of the consumed methanol was converted to acetate, which was not further degraded by sulfate reducing bacteria present in the sludge. The acetotrophic activity of the sludge could not be stimulated by cultivating the sludge for 30 days under methanol-limiting conditions. Omitting cobalt as trace element from the influent resulted in a lower acetate production rate, but it also led to a lower sulfate reduction rate. Sulfate degradation in the reactor could be described by zeroth order kinetics down to a threshold concentration of 0.05 g L-1, while methanol degradation followed Michaelis-Menten kinetics with a Km of 0.037 gCOD L-1. |
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Performance of a thermophilic sulfate and sulfite reducing high rate anaerobic reactor fed with methanol |
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Weijma, Jan Hulshoff Pol, Look W. Stams, Alfons J.M. Lettinga, Gatze |
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