Biohydrogen production in a three-phase fluidized bed bioreactor using sewage sludge immobilized by ethylene-vinyl acetate copolymer

Chi Neng Lin; Shu Yii Wu; Jian Sheng Chang; Jo Shu Chang

doi:10.1016/j.biortech.2009.02.027

Biohydrogen production in a three-phase fluidized bed bioreactor using sewage sludge immobilized by ethylene-vinyl acetate copolymer

Chi Neng Lin, Shu Yii Wu, Jian Sheng Chang, Jo Shu Chang

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

61 Citations (Scopus)

Abstract

Ethylene-vinyl acetate (EVA) copolymer was used to immobilize H₂-producing sewage sludge for H₂ production in a three-phase fluidized bed reactor (FBR). The FBR with an immobilized cell packing ratio of 10% (v/v) and a liquid recycle rate of 5 l/min (23% bed expansion) was optimal for dark H₂ fermentation. The performance of the FBR reactor fed with sucrose-based synthetic medium was examined under various sucrose concentration (C_so) and hydraulic retention time (HRT). The best volumetric H₂ production rate of 1.80 ± 0.02 H₂ l/h/l occurred at C_so = 40 g COD/l and 2 h HRT, while the optimal H₂ yield (4.26 ± 0.04 mol H₂/mol sucrose) was obtained at C_so = 20 g COD/l and 6 h HRT. The H₂ content in the biogas was stably maintained at 40% or above. The primary soluble metabolites were butyric acid and acetic acid, as both products together accounted for 74-83% of total soluble microbial products formed during dark H₂ fermentation. Crown

Original language	English
Pages (from-to)	3298-3301
Number of pages	4
Journal	Bioresource technology
Volume	100
Issue number	13
DOIs	https://doi.org/10.1016/j.biortech.2009.02.027
Publication status	Published - 2009 Jul

All Science Journal Classification (ASJC) codes

Bioengineering
Environmental Engineering
Renewable Energy, Sustainability and the Environment
Waste Management and Disposal

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10.1016/j.biortech.2009.02.027

Cite this

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title = "Biohydrogen production in a three-phase fluidized bed bioreactor using sewage sludge immobilized by ethylene-vinyl acetate copolymer",

abstract = "Ethylene-vinyl acetate (EVA) copolymer was used to immobilize H2-producing sewage sludge for H2 production in a three-phase fluidized bed reactor (FBR). The FBR with an immobilized cell packing ratio of 10% (v/v) and a liquid recycle rate of 5 l/min (23% bed expansion) was optimal for dark H2 fermentation. The performance of the FBR reactor fed with sucrose-based synthetic medium was examined under various sucrose concentration (Cso) and hydraulic retention time (HRT). The best volumetric H2 production rate of 1.80 ± 0.02 H2 l/h/l occurred at Cso = 40 g COD/l and 2 h HRT, while the optimal H2 yield (4.26 ± 0.04 mol H2/mol sucrose) was obtained at Cso = 20 g COD/l and 6 h HRT. The H2 content in the biogas was stably maintained at 40% or above. The primary soluble metabolites were butyric acid and acetic acid, as both products together accounted for 74-83% of total soluble microbial products formed during dark H2 fermentation. Crown",

author = "Lin, {Chi Neng} and Wu, {Shu Yii} and Chang, {Jian Sheng} and Chang, {Jo Shu}",

note = "Funding Information: The authors gratefully acknowledge the financial support by National Science Council (Grant No. NSC 93-2211-E-035-014 & NSC-95-2214-E-035-043), by Bureau of Energy (Grant No. 94-D0137-2 & 95-D0137-2), and by Feng Chia University, Taiwan (Grant No. FCU08G27201).",

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AU - Lin, Chi Neng

AU - Wu, Shu Yii

AU - Chang, Jian Sheng

AU - Chang, Jo Shu

N1 - Funding Information: The authors gratefully acknowledge the financial support by National Science Council (Grant No. NSC 93-2211-E-035-014 & NSC-95-2214-E-035-043), by Bureau of Energy (Grant No. 94-D0137-2 & 95-D0137-2), and by Feng Chia University, Taiwan (Grant No. FCU08G27201).

PY - 2009/7

Y1 - 2009/7

N2 - Ethylene-vinyl acetate (EVA) copolymer was used to immobilize H2-producing sewage sludge for H2 production in a three-phase fluidized bed reactor (FBR). The FBR with an immobilized cell packing ratio of 10% (v/v) and a liquid recycle rate of 5 l/min (23% bed expansion) was optimal for dark H2 fermentation. The performance of the FBR reactor fed with sucrose-based synthetic medium was examined under various sucrose concentration (Cso) and hydraulic retention time (HRT). The best volumetric H2 production rate of 1.80 ± 0.02 H2 l/h/l occurred at Cso = 40 g COD/l and 2 h HRT, while the optimal H2 yield (4.26 ± 0.04 mol H2/mol sucrose) was obtained at Cso = 20 g COD/l and 6 h HRT. The H2 content in the biogas was stably maintained at 40% or above. The primary soluble metabolites were butyric acid and acetic acid, as both products together accounted for 74-83% of total soluble microbial products formed during dark H2 fermentation. Crown

AB - Ethylene-vinyl acetate (EVA) copolymer was used to immobilize H2-producing sewage sludge for H2 production in a three-phase fluidized bed reactor (FBR). The FBR with an immobilized cell packing ratio of 10% (v/v) and a liquid recycle rate of 5 l/min (23% bed expansion) was optimal for dark H2 fermentation. The performance of the FBR reactor fed with sucrose-based synthetic medium was examined under various sucrose concentration (Cso) and hydraulic retention time (HRT). The best volumetric H2 production rate of 1.80 ± 0.02 H2 l/h/l occurred at Cso = 40 g COD/l and 2 h HRT, while the optimal H2 yield (4.26 ± 0.04 mol H2/mol sucrose) was obtained at Cso = 20 g COD/l and 6 h HRT. The H2 content in the biogas was stably maintained at 40% or above. The primary soluble metabolites were butyric acid and acetic acid, as both products together accounted for 74-83% of total soluble microbial products formed during dark H2 fermentation. Crown

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Biohydrogen production in a three-phase fluidized bed bioreactor using sewage sludge immobilized by ethylene-vinyl acetate copolymer

Abstract

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