Evaluation of process performance on biohydrogen production in continuous fixed bed reactor (C-FBR) using acid algae hydrolysate (AAH) as feedstock

Parthiban Anburajan, Jeong Jun Yoon, Gopalakrishnan Kumar, Jong Hun Park, Sang Hyoun Kim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In this study, a novel inoculation method to mitigate the inhibition of 5-hydroxymethylfurfural (5-HMF) is proposed. Acid algae hydrolysate containing 1.5 g 5-HMF/L and 15 g hexose/L hexose was fed to a continuous fixed bed reactor (C-FBR) partially packed with hybrid-immobilized beads. The inoculation method enabled a high rate of H 2 production, due to the reduction of 5-HMF inhibition and enhanced biofilm formation. Maximum hydrogen production was achieved at a hydraulic retention time of 6 h with a hydrogen production rate (HPR) of 20.0 ± 3.3 L H 2 /L-d and a hydrogen yield (HY) of 2.3 ± 0.4 mol H 2 /mol hexose added . Butyrate and acetate were the major soluble metabolic products released during fermentation. Quantitative real-time polymerase chain reaction analysis revealed that Clostridium butyricum comprised 94.3% of the total bacteria, which was attributed to the high rate of biohydrogen production.

Original languageEnglish
Pages (from-to)2164-2169
Number of pages6
JournalInternational Journal of Hydrogen Energy
DOIs
Publication statusPublished - 2019 Jan 22

Fingerprint

hexoses
algae
Algae
Feedstocks
beds
reactors
hydrogen production
inoculation
Hydrogen production
Hydrogen
acids
Acids
evaluation
Clostridium
polymerase chain reaction
biofilms
fermentation
Polymerase chain reaction
Biofilms
beads

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

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title = "Evaluation of process performance on biohydrogen production in continuous fixed bed reactor (C-FBR) using acid algae hydrolysate (AAH) as feedstock",
abstract = "In this study, a novel inoculation method to mitigate the inhibition of 5-hydroxymethylfurfural (5-HMF) is proposed. Acid algae hydrolysate containing 1.5 g 5-HMF/L and 15 g hexose/L hexose was fed to a continuous fixed bed reactor (C-FBR) partially packed with hybrid-immobilized beads. The inoculation method enabled a high rate of H 2 production, due to the reduction of 5-HMF inhibition and enhanced biofilm formation. Maximum hydrogen production was achieved at a hydraulic retention time of 6 h with a hydrogen production rate (HPR) of 20.0 ± 3.3 L H 2 /L-d and a hydrogen yield (HY) of 2.3 ± 0.4 mol H 2 /mol hexose added . Butyrate and acetate were the major soluble metabolic products released during fermentation. Quantitative real-time polymerase chain reaction analysis revealed that Clostridium butyricum comprised 94.3{\%} of the total bacteria, which was attributed to the high rate of biohydrogen production.",
author = "Parthiban Anburajan and Yoon, {Jeong Jun} and Gopalakrishnan Kumar and Park, {Jong Hun} and Kim, {Sang Hyoun}",
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AU - Anburajan, Parthiban

AU - Yoon, Jeong Jun

AU - Kumar, Gopalakrishnan

AU - Park, Jong Hun

AU - Kim, Sang Hyoun

PY - 2019/1/22

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N2 - In this study, a novel inoculation method to mitigate the inhibition of 5-hydroxymethylfurfural (5-HMF) is proposed. Acid algae hydrolysate containing 1.5 g 5-HMF/L and 15 g hexose/L hexose was fed to a continuous fixed bed reactor (C-FBR) partially packed with hybrid-immobilized beads. The inoculation method enabled a high rate of H 2 production, due to the reduction of 5-HMF inhibition and enhanced biofilm formation. Maximum hydrogen production was achieved at a hydraulic retention time of 6 h with a hydrogen production rate (HPR) of 20.0 ± 3.3 L H 2 /L-d and a hydrogen yield (HY) of 2.3 ± 0.4 mol H 2 /mol hexose added . Butyrate and acetate were the major soluble metabolic products released during fermentation. Quantitative real-time polymerase chain reaction analysis revealed that Clostridium butyricum comprised 94.3% of the total bacteria, which was attributed to the high rate of biohydrogen production.

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