Chaeho Im

Doctoral Student at Industrial Biotechnology

Chaeho Im is a PhD student in the division of Industrial Biotechnology. The topic of Chaeho’s PhD thesis is gene regulation in acetogens, during syngas fermentation or when microbes are grown in a bioelectrochemical system.

Syngas coming from industrial waste gas, steel mill flue gas, and incomplete biomass combustion involves mainly hydrogen, carbon monoxide, and carbon dioxide. Certain microbes can make valuable chemicals from syngas, but the syngas fermentation suffers from very low carbon recovery. Chaeho wants to increase carbon recovery efficiency of syngas fermentation by applying a bioelectrochemical system which supplies external electrons to reduce the oxidized form of carbon. The study contributes to reducing greenhouse gas emission and harvesting wasted energy from industry.

Source: chalmers.se
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Showing 5 publications

2024

Chain elongation in continuous microbial electrosynthesis cells: The effect of pH and precursors supply

Cesar Quintela, Pantelis Bountzis, Babak Rezaei et al
Journal of CO2 Utilization. Vol. 83
Journal article
2023

Zero-valent Iron Enhances Acetate and Butyrate Production from Carbon Monoxide by Fonticella tunisiensis HN43

Hyeon Sung Im, Da Seul Kong, Chaeho Im et al
Biotechnology and Bioprocess Engineering. Vol. 28 (5), p. 835-841
Journal article
2022

Clostridium ljungdahlii as a biocatalyst in microbial electrosynthesis – Effect of culture conditions on product formation

Chaeho Im, Kaspar Valgepea, Oskar Modin et al
Bioresource Technology Reports. Vol. 19
Journal article
2021

Production of 3-hydroxypropionic acid from acetate using metabolically-engineered and glucose-grown Escherichia coli

Suman Lama, Yeonhee Kim, Dat Tuan Nguyen et al
Bioresource Technology. Vol. 320
Journal article
2020

Increased CODH activity in a bioelectrochemical system improves microbial electrosynthesis with CO

Young Eun Song, Changman Kim, Jiyun Baek et al
Sustainable Energy and Fuels. Vol. 4 (12), p. 5952-5957
Journal article

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Showing 1 research projects

2019–2023

Elucidating stress related to fermenting syngas – towards efficient conversion of CO and CO2 into bioethanol

Yvonne Nygård Industrial Biotechnology
Oskar Modin Water Environment Technology
Im Chaeho Industrial Biotechnology
Swedish Energy Agency

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