Simultaneous removal of 5-hydroxy methyl furfural (5-HMF) and hydrogen production from acid (H2SO4) pretreated red-algal hydrolysate via hybrid immobilized cells

Gopalakrishnan Kumar, Periyasamy Sivagurunathan, Takuro Kobayashi, Kai Qin Xu, Sang Hyoun Kim

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

This study dealt with a new approach for the removal of 5-hydroxy methyl furfural (5-HMF) from dilute acid pretreated red algal hydrolysate using hybrid immobilized cells along with the generation of H2 as energy carrier. Under batch conditions, the peak 5-HMF removal of 1.6g/L (100% removal) and hydrogen production rate of 1.48L/L-d were obtained at 50% (v/v) algal hydrolysate content which is equivalent to 16.6gsugar/L. Beyond the content, only the 5-HMF removal has been taken place, but the hydrogen production has been inhibited significantly. Further, an anaerobic sequencing batch operation performed using the optimal 50% AH concentration showed a stable hydrogen production rate and yield of 4.8L/L-d and 2.40mol/mol hexoseutilized respectively.

Original languageEnglish
Pages (from-to)326-333
Number of pages8
JournalAlgal Research
Volume11
DOIs
Publication statusPublished - 2015 Jan 1

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immobilized cells
hydrogen production
hydroxymethylfurfural
hydrolysates
acids
energy

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science

Cite this

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title = "Simultaneous removal of 5-hydroxy methyl furfural (5-HMF) and hydrogen production from acid (H2SO4) pretreated red-algal hydrolysate via hybrid immobilized cells",
abstract = "This study dealt with a new approach for the removal of 5-hydroxy methyl furfural (5-HMF) from dilute acid pretreated red algal hydrolysate using hybrid immobilized cells along with the generation of H2 as energy carrier. Under batch conditions, the peak 5-HMF removal of 1.6g/L (100{\%} removal) and hydrogen production rate of 1.48L/L-d were obtained at 50{\%} (v/v) algal hydrolysate content which is equivalent to 16.6gsugar/L. Beyond the content, only the 5-HMF removal has been taken place, but the hydrogen production has been inhibited significantly. Further, an anaerobic sequencing batch operation performed using the optimal 50{\%} AH concentration showed a stable hydrogen production rate and yield of 4.8L/L-d and 2.40mol/mol hexoseutilized respectively.",
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Simultaneous removal of 5-hydroxy methyl furfural (5-HMF) and hydrogen production from acid (H2SO4) pretreated red-algal hydrolysate via hybrid immobilized cells. / Kumar, Gopalakrishnan; Sivagurunathan, Periyasamy; Kobayashi, Takuro; Xu, Kai Qin; Kim, Sang Hyoun.

In: Algal Research, Vol. 11, 01.01.2015, p. 326-333.

Research output: Contribution to journalArticle

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