Biochar amended microbial conversion of C1 gases to ethanol and butanol: Effects of biochar feedstock type and processing temperature

Xiao Sun; Rahul Thunuguntla; Hailin Zhang; Hasan Atiyeh

doi:10.1016/j.biortech.2022.127573

Biochar amended microbial conversion of C1 gases to ethanol and butanol: Effects of biochar feedstock type and processing temperature

Xiao Sun
, Rahul Thunuguntla
, Hailin Zhang
, Hasan Atiyeh

Bioproducts and Biosystems Engineering

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

13 Scopus citations

Abstract

Biochar feedstock and production method affects its physicochemical properties and subsequent application. This study investigated the effects of biochar from switchgrass (SGB) and poultry litter (PLB) produced at 350 and 700 °C on alcohol formation using CO:CO₂:H₂ (40:30:30) by Clostridium carboxidivorans (P7) and C. ragsdalei (P11). Fermentations were performed in 250 mL bottles with a 50 mL working volume at 37 °C. Strains P7 and P11 produced 1.2- to 2.2-fold more alcohol and consumed 1.2- to 1.9-fold more syngas using biochars made at 700 °C compared to 350 °C. Both strains also produced 1.4- to1.9-fold more alcohol with both biochars made at 700 °C compared to control without biochar. Strain P11 produced 1.1- and 1.6-fold more alcohol and fatty acids, respectively, in medium with PLB made at 700 °C compared to strain P7. These results provide guidance towards the selection of biochar type and production temperature to improve syngas fermentation.

Original language	English (US)
Article number	127573
Journal	Bioresource Technology
Volume	360
DOIs	https://doi.org/10.1016/j.biortech.2022.127573
State	Published - Sep 2022

Bibliographical note

Funding Information:
This research was supported by the National Institute of Food and Agriculture , U.S. Department of Agriculture, under award number 2019-38502-30120 through South Central Sun Grant Program and, USDA–NIFA Project No. OKL03163 and Oklahoma Agricultural Experiment Station.

Publisher Copyright:
© 2022 Elsevier Ltd

Keywords

Biochar
Biofuel
Clostridium carboxidivorans P7
Clostridium ragsdalei P11
Syngas fermentation

UN SDGs

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

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10.1016/j.biortech.2022.127573

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title = "Biochar amended microbial conversion of C1 gases to ethanol and butanol: Effects of biochar feedstock type and processing temperature",

abstract = "Biochar feedstock and production method affects its physicochemical properties and subsequent application. This study investigated the effects of biochar from switchgrass (SGB) and poultry litter (PLB) produced at 350 and 700 °C on alcohol formation using CO:CO2:H2 (40:30:30) by Clostridium carboxidivorans (P7) and C. ragsdalei (P11). Fermentations were performed in 250 mL bottles with a 50 mL working volume at 37 °C. Strains P7 and P11 produced 1.2- to 2.2-fold more alcohol and consumed 1.2- to 1.9-fold more syngas using biochars made at 700 °C compared to 350 °C. Both strains also produced 1.4- to1.9-fold more alcohol with both biochars made at 700 °C compared to control without biochar. Strain P11 produced 1.1- and 1.6-fold more alcohol and fatty acids, respectively, in medium with PLB made at 700 °C compared to strain P7. These results provide guidance towards the selection of biochar type and production temperature to improve syngas fermentation.",

keywords = "Biochar, Biofuel, Clostridium carboxidivorans P7, Clostridium ragsdalei P11, Syngas fermentation",

author = "Xiao Sun and Rahul Thunuguntla and Hailin Zhang and Hasan Atiyeh",

note = "Funding Information: This research was supported by the National Institute of Food and Agriculture , U.S. Department of Agriculture, under award number 2019-38502-30120 through South Central Sun Grant Program and, USDA–NIFA Project No. OKL03163 and Oklahoma Agricultural Experiment Station. Publisher Copyright: {\textcopyright} 2022 Elsevier Ltd",

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AU - Thunuguntla, Rahul

AU - Zhang, Hailin

AU - Atiyeh, Hasan

N1 - Funding Information: This research was supported by the National Institute of Food and Agriculture , U.S. Department of Agriculture, under award number 2019-38502-30120 through South Central Sun Grant Program and, USDA–NIFA Project No. OKL03163 and Oklahoma Agricultural Experiment Station. Publisher Copyright: © 2022 Elsevier Ltd

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AB - Biochar feedstock and production method affects its physicochemical properties and subsequent application. This study investigated the effects of biochar from switchgrass (SGB) and poultry litter (PLB) produced at 350 and 700 °C on alcohol formation using CO:CO2:H2 (40:30:30) by Clostridium carboxidivorans (P7) and C. ragsdalei (P11). Fermentations were performed in 250 mL bottles with a 50 mL working volume at 37 °C. Strains P7 and P11 produced 1.2- to 2.2-fold more alcohol and consumed 1.2- to 1.9-fold more syngas using biochars made at 700 °C compared to 350 °C. Both strains also produced 1.4- to1.9-fold more alcohol with both biochars made at 700 °C compared to control without biochar. Strain P11 produced 1.1- and 1.6-fold more alcohol and fatty acids, respectively, in medium with PLB made at 700 °C compared to strain P7. These results provide guidance towards the selection of biochar type and production temperature to improve syngas fermentation.

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KW - Clostridium ragsdalei P11

KW - Syngas fermentation

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Biochar amended microbial conversion of C1 gases to ethanol and butanol: Effects of biochar feedstock type and processing temperature

Abstract

Bibliographical note

Keywords

UN SDGs

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