Improvement of acidogenic fermentation using an acclimatized microbiome

Sung Eun Chang, Shouvik Saha, Mayur B. Kurade, El Sayed Salama, Soon Woong Chang, Min Jang, Byong Hun Jeon

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Mixed fruit wastes (FW) are considered valuable organic wastes due to their polysaccharidic content. This study describes utilization of an effective acclimatized microbiome (AM) for enhanced conversion of FW into hydrogen and various value-added byproducts. Microbial acclimatization was used to accelerate two processes, hydrogenogenic acidogenesis and carboxylic chain elongation, which simultaneously produced hydrogen and C4–C7 carboxylates. AM showed 77 mL g‾1 VS of hydrogen yield with 31% higher specific hydrogen production potential (SHPP) compared to 55 mL g‾1 VS with an unacclimatized microbiome (UM). Production of carboxylates was also 19% higher in the AM. Taxonomic analysis of the microbiome revealed the microbial shift to Firmicutes as the most dominant phylum (99%). Clostridium, Hydrogenoanaerobacterium, Paraclostridium, Anaerosalibacter, Tissierella, and Tepidanaerobacter were preeminent genera in the AM, confirming their predominant role in dual processes. Thus, utilization of an AM enhanced the hydrogenogenic acidogenic fermentation of FW with simultaneous carboxylic chain elongation, yielding high-value products.

Original languageEnglish
Pages (from-to)22126-22134
Number of pages9
JournalInternational Journal of Hydrogen Energy
DOIs
StatePublished - 2018 Dec 6

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fermentation
fruits
Fermentation
Fruits
carboxylates
elongation
acclimatization
hydrogen
Clostridium
Hydrogen
Elongation
hydrogen production
Hydrogen production
Byproducts
shift
products

Keywords

  • Acidogenic fermentation
  • Carboxylic chain elongation
  • Hydrogen
  • Microbiome
  • SCC–MCCs

Cite this

Chang, Sung Eun ; Saha, Shouvik ; Kurade, Mayur B. ; Salama, El Sayed ; Chang, Soon Woong ; Jang, Min ; Jeon, Byong Hun. / Improvement of acidogenic fermentation using an acclimatized microbiome. In: International Journal of Hydrogen Energy. 2018 ; pp. 22126-22134.
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Improvement of acidogenic fermentation using an acclimatized microbiome. / Chang, Sung Eun; Saha, Shouvik; Kurade, Mayur B.; Salama, El Sayed; Chang, Soon Woong; Jang, Min; Jeon, Byong Hun.

In: International Journal of Hydrogen Energy, 06.12.2018, p. 22126-22134.

Research output: Contribution to journalArticle

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