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

Research output: Contribution to journalArticle

49 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 (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

Original languageEnglish
Pages (from-to)3298-3301
Number of pages4
JournalBioresource technology
Volume100
Issue number13
DOIs
Publication statusPublished - 2009 Jul 1

Fingerprint

Sugar (sucrose)
Sewage sludge
Bioreactors
bioreactor
Fluidized beds
ethylene
Sucrose
acetate
Ethylene
Copolymers
sucrose
Hydraulics
Fermentation
hydraulics
fermentation
Butyric acid
Butyric Acid
Biofuels
Biogas
Metabolites

All Science Journal Classification (ASJC) codes

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

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",
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Biohydrogen production in a three-phase fluidized bed bioreactor using sewage sludge immobilized by ethylene-vinyl acetate copolymer. / Lin, Chi Neng; Wu, Shu Yii; Chang, Jian Sheng; Chang, Jo-Shu.

In: Bioresource technology, Vol. 100, No. 13, 01.07.2009, p. 3298-3301.

Research output: Contribution to journalArticle

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