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

doi:10.1016/j.algal.2015.07.015

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

Department of Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

31 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 hexose_utilized respectively.

Original language	English
Pages (from-to)	326-333
Number of pages	8
Journal	Algal Research
Volume	11
DOIs	https://doi.org/10.1016/j.algal.2015.07.015
Publication status	Published - 2015 Sep

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (No. 2014R1A2A2A04005475 ).

Publisher Copyright:
© 2015 Elsevier B.V.

All Science Journal Classification (ASJC) codes

Agronomy and Crop Science

UN SDGs

This output contributes to the following Sustainable Development Goal(s)

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@article{d3288347c6a54f9f9e128ec3d5e76e7b,

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.",

author = "Gopalakrishnan Kumar and Periyasamy Sivagurunathan and Takuro Kobayashi and Xu, {Kai Qin} and Kim, {Sang Hyoun}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (No. 2014R1A2A2A04005475 ). Publisher Copyright: {\textcopyright} 2015 Elsevier B.V.",

year = "2015",

month = sep,

doi = "10.1016/j.algal.2015.07.015",

language = "English",

volume = "11",

pages = "326--333",

journal = "Algal Research",

issn = "2211-9264",

publisher = "Elsevier BV",

}

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, 09.2015, p. 326-333.

Research output: Contribution to journal › Article › peer-review

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AU - Kumar, Gopalakrishnan

AU - Sivagurunathan, Periyasamy

AU - Kobayashi, Takuro

AU - Xu, Kai Qin

AU - Kim, Sang Hyoun

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (No. 2014R1A2A2A04005475 ). Publisher Copyright: © 2015 Elsevier B.V.

PY - 2015/9

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