Evaluation of bio-hydrogen production using rice straw hydrolysate extracted by acid and alkali hydrolysis

Do Hyung Kim; In Seung Jo; Beom Jung Kang; Byung Don Lee; Sunil Kumar; Sang Hyoun Kim; Jeong Jun Yoon

doi:10.1016/j.ijhydene.2021.12.177

Evaluation of bio-hydrogen production using rice straw hydrolysate extracted by acid and alkali hydrolysis

Do Hyung Kim, In Seung Jo, Beom Jung Kang, Byung Don Lee, Sunil Kumar, Sang Hyoun Kim, Jeong Jun Yoon

Department of Civil and Environmental Engineering

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

7 Citations (Scopus)

Abstract

This study was conducted to investigate the properties of hydrolysates obtained from acid and alkali hydrolysis and to evaluate the feasibility of employing them for bio-hydrogen production. High sugar concentrations of 16.8 g/L and 13.3 g/L were present in 0.5% and 1.0% H₂SO₄ hydrolysates, respectively. However, H₂SO₄ hydrolysis resulted in large amounts of short-chain fatty acids (SCFAs) and furan derivatives, which were removed by detoxification. In bio-hydrogen production, 1.0% H₂SO₄ hydrolysate showed a 55.6 mL of highest hydrogen production and 1.14 mol-H₂/mol-hexose equivalent_added of hydrogen yield. In control and 1.0% NaOH hydrolysate, 29.7 mL and 36.9 mL of hydrogen were produced, respectively. Interestingly, relatively high acetate and butyrate production resulted in lactate reduction. Also, NH₄OH hydrolysate produced less than 10 mL of hydrogen. Thus, these results indicate that hydrogen production and metabolite distribution can vary depending on the sugars and by-product composition in the hydrolysate.

Original language	English
Pages (from-to)	37385-37393
Number of pages	9
Journal	International Journal of Hydrogen Energy
Volume	47
Issue number	88
DOIs	https://doi.org/10.1016/j.ijhydene.2021.12.177
Publication status	Published - 2022 Oct 30

Bibliographical note

Funding Information:
This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry and Energy (MOTIE) of the Republic of Korea ( 20188550000540 ).

Publisher Copyright:
© 2021 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.2021.12.177

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title = "Evaluation of bio-hydrogen production using rice straw hydrolysate extracted by acid and alkali hydrolysis",

abstract = "This study was conducted to investigate the properties of hydrolysates obtained from acid and alkali hydrolysis and to evaluate the feasibility of employing them for bio-hydrogen production. High sugar concentrations of 16.8 g/L and 13.3 g/L were present in 0.5% and 1.0% H2SO4 hydrolysates, respectively. However, H2SO4 hydrolysis resulted in large amounts of short-chain fatty acids (SCFAs) and furan derivatives, which were removed by detoxification. In bio-hydrogen production, 1.0% H2SO4 hydrolysate showed a 55.6 mL of highest hydrogen production and 1.14 mol-H2/mol-hexose equivalentadded of hydrogen yield. In control and 1.0% NaOH hydrolysate, 29.7 mL and 36.9 mL of hydrogen were produced, respectively. Interestingly, relatively high acetate and butyrate production resulted in lactate reduction. Also, NH4OH hydrolysate produced less than 10 mL of hydrogen. Thus, these results indicate that hydrogen production and metabolite distribution can vary depending on the sugars and by-product composition in the hydrolysate.",

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AU - Lee, Byung Don

AU - Kumar, Sunil

AU - Kim, Sang Hyoun

AU - Yoon, Jeong Jun

N1 - Funding Information: This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry and Energy (MOTIE) of the Republic of Korea ( 20188550000540 ). Publisher Copyright: © 2021 Hydrogen Energy Publications LLC

PY - 2022/10/30

Y1 - 2022/10/30

N2 - This study was conducted to investigate the properties of hydrolysates obtained from acid and alkali hydrolysis and to evaluate the feasibility of employing them for bio-hydrogen production. High sugar concentrations of 16.8 g/L and 13.3 g/L were present in 0.5% and 1.0% H2SO4 hydrolysates, respectively. However, H2SO4 hydrolysis resulted in large amounts of short-chain fatty acids (SCFAs) and furan derivatives, which were removed by detoxification. In bio-hydrogen production, 1.0% H2SO4 hydrolysate showed a 55.6 mL of highest hydrogen production and 1.14 mol-H2/mol-hexose equivalentadded of hydrogen yield. In control and 1.0% NaOH hydrolysate, 29.7 mL and 36.9 mL of hydrogen were produced, respectively. Interestingly, relatively high acetate and butyrate production resulted in lactate reduction. Also, NH4OH hydrolysate produced less than 10 mL of hydrogen. Thus, these results indicate that hydrogen production and metabolite distribution can vary depending on the sugars and by-product composition in the hydrolysate.

AB - This study was conducted to investigate the properties of hydrolysates obtained from acid and alkali hydrolysis and to evaluate the feasibility of employing them for bio-hydrogen production. High sugar concentrations of 16.8 g/L and 13.3 g/L were present in 0.5% and 1.0% H2SO4 hydrolysates, respectively. However, H2SO4 hydrolysis resulted in large amounts of short-chain fatty acids (SCFAs) and furan derivatives, which were removed by detoxification. In bio-hydrogen production, 1.0% H2SO4 hydrolysate showed a 55.6 mL of highest hydrogen production and 1.14 mol-H2/mol-hexose equivalentadded of hydrogen yield. In control and 1.0% NaOH hydrolysate, 29.7 mL and 36.9 mL of hydrogen were produced, respectively. Interestingly, relatively high acetate and butyrate production resulted in lactate reduction. Also, NH4OH hydrolysate produced less than 10 mL of hydrogen. Thus, these results indicate that hydrogen production and metabolite distribution can vary depending on the sugars and by-product composition in the hydrolysate.

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Evaluation of bio-hydrogen production using rice straw hydrolysate extracted by acid and alkali hydrolysis

Abstract

Bibliographical note

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UN SDGs

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