Biological acetate production from carbon dioxide by Acetobacterium woodii and Clostridium ljungdahlii: The effect of cell immobilization

Hai Hsuan Cheng, Jyun Cyuan Syu, Shih Yuan Tien, Liang-Ming Whang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This study investigated the acetate production from gas mixture of hydrogen (H2) and carbon dioxide (CO2) in the ratio of 7:3 using two acetogens: Acetobacterium woodii and Clostridium ljungdahlii. Batch result shows A. woodii performed two-phase degradation with the presence of glucose that lactate was produced from glucose and was reutilized for the production of butyrate and few acetate, while only acetate was detected when providing gas mixture. C. ljungdahlii produced butyrate and ethanol along with acetate when glucose was introduced, while only ethanol and acetate were found by feeding gas mixture. The acetate-to-ethanol (A/E) ratio can be enhanced by cell immobilization, while GAC immobilization produced only acetate and the production rate reached 0.072 mmol/d under fed-batch operation. Acetate production rate increased from 18 to 28 mmol/L/d with GAC immobilization when gas flowrate increased from 100 to 300 mL/min in anaerobic fluidized membrane bioreactor (AFMBR), and a highest A/E ratio of 30 implies the possible application of acetate recovery from H2 and CO2.

Original languageEnglish
Pages (from-to)229-234
Number of pages6
JournalBioresource technology
Volume262
DOIs
Publication statusPublished - 2018 Aug 1

Fingerprint

Cell immobilization
Clostridium
Carbon Dioxide
immobilization
acetate
Carbon dioxide
Acetates
Ethanol
carbon dioxide
Gas mixtures
Glucose
ethanol
Bioreactors
glucose
Butyrates
Membranes
Recovery
Degradation
Hydrogen
effect

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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Biological acetate production from carbon dioxide by Acetobacterium woodii and Clostridium ljungdahlii : The effect of cell immobilization. / Cheng, Hai Hsuan; Syu, Jyun Cyuan; Tien, Shih Yuan; Whang, Liang-Ming.

In: Bioresource technology, Vol. 262, 01.08.2018, p. 229-234.

Research output: Contribution to journalArticle

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