Effects of various dilute acid pretreatments on the biochemical hydrogen production potential of marine macroalgal biomass

Periyasamy Sivagurunathan; Gopalakrishnan Kumar; Takuro Kobayashi; Kaiqin Xu; Sang Hyoun Kim

doi:10.1016/j.ijhydene.2017.05.106

Effects of various dilute acid pretreatments on the biochemical hydrogen production potential of marine macroalgal biomass

Periyasamy Sivagurunathan, Gopalakrishnan Kumar, Takuro Kobayashi, Kaiqin Xu, Sang Hyoun Kim

Department of Civil and Environmental Engineering

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

40 Citations (Scopus)

Abstract

This research investigated the effects of various dilute acid (HCl, H₂SO₄, HNO₃, H₃PO₄) pretreatment on the solubilization of marine macroalgal biomass Gelidium amansii and subsequent hydrogen fermentation in a batch vials. The dry grounded biomass was hydrolyzed at temperature of 121 °C, solid/liquid (S/L) ratio of 5% (w/v), dilute acid concentration (1%) of various reagents, and reaction time of 30 min. The hydrolyzates obtained at these conditions were then fed to batch hydrogen fermentation. Results revealed that only H₂SO₄ pretreatment method had a significant effect on improvement of biohydrogen production from Gelidium amansii, whereas the other pretreatment conditions were even worse than the control experiment. Dilute sulfuric acid (1%) provided a maximum hydrogen production of 52 mL-H₂/g-dry biomass, whereas control experiment provided a hydrogen efficiency of 27 mL-H₂/g-dry biomass. The results showed that selection of appropriate pretreatment method is essential for enhanced hydrogen production from macroalgal biomass.

Original language	English
Pages (from-to)	27600-27606
Number of pages	7
Journal	International Journal of Hydrogen Energy
Volume	42
Issue number	45
DOIs	https://doi.org/10.1016/j.ijhydene.2017.05.106
Publication status	Published - 2017

Bibliographical note

Funding Information:
The author Dr. Periyasamy Sivagurunathan greatly acknowledged the financial assistance from Japan Society for Promotion of Science : JSPS ID: P15370 for this study. The financial assistance to one of the authors (GK) from Ton Duc Thang University, Vietnam is highly acknowledged.

Publisher Copyright:
© 2017 Hydrogen Energy Publications LLC

All Science Journal Classification (ASJC) codes

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

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.ijhydene.2017.05.106

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title = "Effects of various dilute acid pretreatments on the biochemical hydrogen production potential of marine macroalgal biomass",

abstract = "This research investigated the effects of various dilute acid (HCl, H2SO4, HNO3, H3PO4) pretreatment on the solubilization of marine macroalgal biomass Gelidium amansii and subsequent hydrogen fermentation in a batch vials. The dry grounded biomass was hydrolyzed at temperature of 121 °C, solid/liquid (S/L) ratio of 5% (w/v), dilute acid concentration (1%) of various reagents, and reaction time of 30 min. The hydrolyzates obtained at these conditions were then fed to batch hydrogen fermentation. Results revealed that only H2SO4 pretreatment method had a significant effect on improvement of biohydrogen production from Gelidium amansii, whereas the other pretreatment conditions were even worse than the control experiment. Dilute sulfuric acid (1%) provided a maximum hydrogen production of 52 mL-H2/g-dry biomass, whereas control experiment provided a hydrogen efficiency of 27 mL-H2/g-dry biomass. The results showed that selection of appropriate pretreatment method is essential for enhanced hydrogen production from macroalgal biomass.",

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

note = "Funding Information: The author Dr. Periyasamy Sivagurunathan greatly acknowledged the financial assistance from Japan Society for Promotion of Science : JSPS ID: P15370 for this study. The financial assistance to one of the authors (GK) from Ton Duc Thang University, Vietnam is highly acknowledged. Publisher Copyright: {\textcopyright} 2017 Hydrogen Energy Publications LLC",

year = "2017",

doi = "10.1016/j.ijhydene.2017.05.106",

language = "English",

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AU - Sivagurunathan, Periyasamy

AU - Kumar, Gopalakrishnan

AU - Kobayashi, Takuro

AU - Xu, Kaiqin

AU - Kim, Sang Hyoun

N1 - Funding Information: The author Dr. Periyasamy Sivagurunathan greatly acknowledged the financial assistance from Japan Society for Promotion of Science : JSPS ID: P15370 for this study. The financial assistance to one of the authors (GK) from Ton Duc Thang University, Vietnam is highly acknowledged. Publisher Copyright: © 2017 Hydrogen Energy Publications LLC

PY - 2017

Y1 - 2017

N2 - This research investigated the effects of various dilute acid (HCl, H2SO4, HNO3, H3PO4) pretreatment on the solubilization of marine macroalgal biomass Gelidium amansii and subsequent hydrogen fermentation in a batch vials. The dry grounded biomass was hydrolyzed at temperature of 121 °C, solid/liquid (S/L) ratio of 5% (w/v), dilute acid concentration (1%) of various reagents, and reaction time of 30 min. The hydrolyzates obtained at these conditions were then fed to batch hydrogen fermentation. Results revealed that only H2SO4 pretreatment method had a significant effect on improvement of biohydrogen production from Gelidium amansii, whereas the other pretreatment conditions were even worse than the control experiment. Dilute sulfuric acid (1%) provided a maximum hydrogen production of 52 mL-H2/g-dry biomass, whereas control experiment provided a hydrogen efficiency of 27 mL-H2/g-dry biomass. The results showed that selection of appropriate pretreatment method is essential for enhanced hydrogen production from macroalgal biomass.

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Effects of various dilute acid pretreatments on the biochemical hydrogen production potential of marine macroalgal biomass

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

UN SDGs

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