Biohydrogen and biomethane production from food waste using a two-stage dynamic membrane bioreactor (DMBR) system

Ju Hyeong Jung; Young Bo Sim; Jeun Ko; So Young Park; Gi Beom Kim; Sang Hyoun Kim

doi:10.1016/j.biortech.2022.127094

Biohydrogen and biomethane production from food waste using a two-stage dynamic membrane bioreactor (DMBR) system

Ju Hyeong Jung, Young Bo Sim, Jeun Ko, So Young Park, Gi Beom Kim, Sang Hyoun Kim

Department of Civil and Environmental Engineering

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

17 Citations (Scopus)

Abstract

This study examined a two-stage dynamic membrane bioreactor (DMBR) system for biohydrogen and biomethane production from food waste (FW) in mesophilic condition. The two-stage DMBR system enabled high-rate H₂ and CH₄ production from particulate feedstock by enhanced microorganism retention. Chemical energy in FW was recovered up to 79% as renewable energy. The highest average hydrogen production rate of 7.09 ± 0.42 L/L-d was observed at a hydraulic retention time (HRT) of 8 h in the H₂-DMBR, while the highest CH₄ average production rate of 0.99 ± 0.02 L/L-d was observed at an HRT of 6 d in the CH₄-DMBR. The high specific methanogenic activity of 71.7 mL CH₄/g VSS-d was maintained at the short HRT, which also contributed to the high MPR. The genus Clostridium was dominant in the H₂-DMBR, while bacterial and archaeal populations in the CH₄-DMBR were dominated by the class Clostridia and genera Methanobacterium and Methanosaeta, respectively.

Original language	English
Article number	127094
Journal	Bioresource technology
Volume	352
DOIs	https://doi.org/10.1016/j.biortech.2022.127094
Publication status	Published - 2022 May

Bibliographical note

Publisher Copyright:
© 2022 Elsevier Ltd

All Science Journal Classification (ASJC) codes

Bioengineering
Environmental Engineering
Renewable Energy, Sustainability and the Environment
Waste Management and Disposal

UN SDGs

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

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10.1016/j.biortech.2022.127094

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title = "Biohydrogen and biomethane production from food waste using a two-stage dynamic membrane bioreactor (DMBR) system",

abstract = "This study examined a two-stage dynamic membrane bioreactor (DMBR) system for biohydrogen and biomethane production from food waste (FW) in mesophilic condition. The two-stage DMBR system enabled high-rate H2 and CH4 production from particulate feedstock by enhanced microorganism retention. Chemical energy in FW was recovered up to 79% as renewable energy. The highest average hydrogen production rate of 7.09 ± 0.42 L/L-d was observed at a hydraulic retention time (HRT) of 8 h in the H2-DMBR, while the highest CH4 average production rate of 0.99 ± 0.02 L/L-d was observed at an HRT of 6 d in the CH4-DMBR. The high specific methanogenic activity of 71.7 mL CH4/g VSS-d was maintained at the short HRT, which also contributed to the high MPR. The genus Clostridium was dominant in the H2-DMBR, while bacterial and archaeal populations in the CH4-DMBR were dominated by the class Clostridia and genera Methanobacterium and Methanosaeta, respectively.",

author = "Jung, {Ju Hyeong} and Sim, {Young Bo} and Jeun Ko and Park, {So Young} and Kim, {Gi Beom} and Kim, {Sang Hyoun}",

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year = "2022",

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doi = "10.1016/j.biortech.2022.127094",

language = "English",

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AU - Jung, Ju Hyeong

AU - Sim, Young Bo

AU - Ko, Jeun

AU - Park, So Young

AU - Kim, Gi Beom

AU - Kim, Sang Hyoun

PY - 2022/5

Y1 - 2022/5

N2 - This study examined a two-stage dynamic membrane bioreactor (DMBR) system for biohydrogen and biomethane production from food waste (FW) in mesophilic condition. The two-stage DMBR system enabled high-rate H2 and CH4 production from particulate feedstock by enhanced microorganism retention. Chemical energy in FW was recovered up to 79% as renewable energy. The highest average hydrogen production rate of 7.09 ± 0.42 L/L-d was observed at a hydraulic retention time (HRT) of 8 h in the H2-DMBR, while the highest CH4 average production rate of 0.99 ± 0.02 L/L-d was observed at an HRT of 6 d in the CH4-DMBR. The high specific methanogenic activity of 71.7 mL CH4/g VSS-d was maintained at the short HRT, which also contributed to the high MPR. The genus Clostridium was dominant in the H2-DMBR, while bacterial and archaeal populations in the CH4-DMBR were dominated by the class Clostridia and genera Methanobacterium and Methanosaeta, respectively.

AB - This study examined a two-stage dynamic membrane bioreactor (DMBR) system for biohydrogen and biomethane production from food waste (FW) in mesophilic condition. The two-stage DMBR system enabled high-rate H2 and CH4 production from particulate feedstock by enhanced microorganism retention. Chemical energy in FW was recovered up to 79% as renewable energy. The highest average hydrogen production rate of 7.09 ± 0.42 L/L-d was observed at a hydraulic retention time (HRT) of 8 h in the H2-DMBR, while the highest CH4 average production rate of 0.99 ± 0.02 L/L-d was observed at an HRT of 6 d in the CH4-DMBR. The high specific methanogenic activity of 71.7 mL CH4/g VSS-d was maintained at the short HRT, which also contributed to the high MPR. The genus Clostridium was dominant in the H2-DMBR, while bacterial and archaeal populations in the CH4-DMBR were dominated by the class Clostridia and genera Methanobacterium and Methanosaeta, respectively.

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Biohydrogen and biomethane production from food waste using a two-stage dynamic membrane bioreactor (DMBR) system

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

UN SDGs

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