A two-stage biological gas to liquid transfer process to convert carbon dioxide into bioplastic

Israa Al Rowaihi; Benjamin Kick; Stefan W. Grötzinger; Christian Burger; Ram Karan; Dirk Weuster-Botz; Jörg Eppinger; Stefan T. Arold

doi:10.1016/j.biteb.2018.02.007

A two-stage biological gas to liquid transfer process to convert carbon dioxide into bioplastic

Israa Al Rowaihi, Benjamin Kick, Stefan W. Grötzinger, Christian Burger, Ram Karan, Dirk Weuster-Botz, Jörg Eppinger, Stefan T. Arold

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

22 Scopus citations

Abstract

The fermentation of carbon dioxide (CO2) with hydrogen (H2) uses available low-cost gases to synthesis acetic acid. Here, we present a two-stage biological process that allows the gas to liquid transfer (Bio-GTL) of CO2 into the biopolymer polyhydroxybutyrate (PHB). Using the same medium in both stages, first, acetic acid is produced (3.2 g L−1) by Acetobacterium woodii from 5.2 L gas-mixture of CO2:H2 (15:85 v/v) under elevated pressure (≥2.0 bar) to increase H2-solubility in water. Second, acetic acid is converted to PHB (3 g L−1 acetate into 0.5 g L−1 PHB) by Ralstonia eutropha H16. The efficiencies and space-time yields were evaluated, and our data show the conversion of CO2 into PHB with a 33.3% microbial cell content (percentage of the ratio of PHB concentration to cell concentration) after 217 h. Collectively, our results provide a resourceful platform for future optimization and commercialization of a Bio-GTL for PHB production.

Original language	English (US)
Pages (from-to)	61-68
Number of pages	8
Journal	Bioresource Technology Reports
Volume	1
DOIs	https://doi.org/10.1016/j.biteb.2018.02.007
State	Published - Mar 6 2018

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): URF/1/1976-06
Acknowledgements: The research reported in this publication was supported by King Abdullah University of Science and Technology (KAUST) through the baseline fund and the Award No URF/1/1976-06 from the Office of Sponsored Research (OSR).

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10.1016/j.biteb.2018.02.007

https://repository.kaust.edu.sa/bitstream/10754/627316/1/1-s2.0-S2589014X18300148-main.pdf

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title = "A two-stage biological gas to liquid transfer process to convert carbon dioxide into bioplastic",

abstract = "The fermentation of carbon dioxide (CO2) with hydrogen (H2) uses available low-cost gases to synthesis acetic acid. Here, we present a two-stage biological process that allows the gas to liquid transfer (Bio-GTL) of CO2 into the biopolymer polyhydroxybutyrate (PHB). Using the same medium in both stages, first, acetic acid is produced (3.2 g L−1) by Acetobacterium woodii from 5.2 L gas-mixture of CO2:H2 (15:85 v/v) under elevated pressure (≥2.0 bar) to increase H2-solubility in water. Second, acetic acid is converted to PHB (3 g L−1 acetate into 0.5 g L−1 PHB) by Ralstonia eutropha H16. The efficiencies and space-time yields were evaluated, and our data show the conversion of CO2 into PHB with a 33.3% microbial cell content (percentage of the ratio of PHB concentration to cell concentration) after 217 h. Collectively, our results provide a resourceful platform for future optimization and commercialization of a Bio-GTL for PHB production.",

author = "{Al Rowaihi}, Israa and Benjamin Kick and Gr{\"o}tzinger, {Stefan W.} and Christian Burger and Ram Karan and Dirk Weuster-Botz and J{\"o}rg Eppinger and Arold, {Stefan T.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): URF/1/1976-06 Acknowledgements: The research reported in this publication was supported by King Abdullah University of Science and Technology (KAUST) through the baseline fund and the Award No URF/1/1976-06 from the Office of Sponsored Research (OSR).",

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doi = "10.1016/j.biteb.2018.02.007",

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AU - Al Rowaihi, Israa

AU - Kick, Benjamin

AU - Grötzinger, Stefan W.

AU - Burger, Christian

AU - Karan, Ram

AU - Weuster-Botz, Dirk

AU - Eppinger, Jörg

AU - Arold, Stefan T.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): URF/1/1976-06 Acknowledgements: The research reported in this publication was supported by King Abdullah University of Science and Technology (KAUST) through the baseline fund and the Award No URF/1/1976-06 from the Office of Sponsored Research (OSR).

PY - 2018/3/6

Y1 - 2018/3/6

N2 - The fermentation of carbon dioxide (CO2) with hydrogen (H2) uses available low-cost gases to synthesis acetic acid. Here, we present a two-stage biological process that allows the gas to liquid transfer (Bio-GTL) of CO2 into the biopolymer polyhydroxybutyrate (PHB). Using the same medium in both stages, first, acetic acid is produced (3.2 g L−1) by Acetobacterium woodii from 5.2 L gas-mixture of CO2:H2 (15:85 v/v) under elevated pressure (≥2.0 bar) to increase H2-solubility in water. Second, acetic acid is converted to PHB (3 g L−1 acetate into 0.5 g L−1 PHB) by Ralstonia eutropha H16. The efficiencies and space-time yields were evaluated, and our data show the conversion of CO2 into PHB with a 33.3% microbial cell content (percentage of the ratio of PHB concentration to cell concentration) after 217 h. Collectively, our results provide a resourceful platform for future optimization and commercialization of a Bio-GTL for PHB production.

AB - The fermentation of carbon dioxide (CO2) with hydrogen (H2) uses available low-cost gases to synthesis acetic acid. Here, we present a two-stage biological process that allows the gas to liquid transfer (Bio-GTL) of CO2 into the biopolymer polyhydroxybutyrate (PHB). Using the same medium in both stages, first, acetic acid is produced (3.2 g L−1) by Acetobacterium woodii from 5.2 L gas-mixture of CO2:H2 (15:85 v/v) under elevated pressure (≥2.0 bar) to increase H2-solubility in water. Second, acetic acid is converted to PHB (3 g L−1 acetate into 0.5 g L−1 PHB) by Ralstonia eutropha H16. The efficiencies and space-time yields were evaluated, and our data show the conversion of CO2 into PHB with a 33.3% microbial cell content (percentage of the ratio of PHB concentration to cell concentration) after 217 h. Collectively, our results provide a resourceful platform for future optimization and commercialization of a Bio-GTL for PHB production.

UR - http://hdl.handle.net/10754/627316

UR - http://www.sciencedirect.com/science/article/pii/S2589014X18300148

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DO - 10.1016/j.biteb.2018.02.007

M3 - Article

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SP - 61

EP - 68

JO - Bioresource Technology Reports

JF - Bioresource Technology Reports

ER -

A two-stage biological gas to liquid transfer process to convert carbon dioxide into bioplastic

Abstract

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