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O. Choi · SciRah

Researcher profile · Semantic Scholar

O. Choi

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O. Choi — researcher profile on SciRah

h-index: 13
Works: 29
Citations: 743

Most-cited papers

Pretreatment of agricultural biomass for anaerobic digestion: Current state and challenges.
Shukra Raj Paudel, S. Banjara, O. Choi, K. Park +2 more
2017Bioresource Technology323 citations
Semantic Scholar
Biodiesel production from wet municipal sludge: evaluation of in situ transesterification using xylene as a cosolvent.
O. Choi, Jong-Suk Song, Daniel K. Cha, Jae Woo Lee
2014Bioresource Technology62 citations
Semantic Scholar
Effects of temperature on nitrous oxide (N2O) emission from intensive aquaculture system.
Shukra Raj Paudel, O. Choi, S. Khanal, K. Chandran +2 more
2015Science of the Total Environment60 citations
Semantic Scholar
Effects of nanoscale zero valent iron (nZVI) concentration on the biochemical conversion of gaseous carbon dioxide (CO2) into methane (CH4).
Dan-Dan Dong, Prince Aleta, Xin Zhao, O. Choi +2 more
2019Bioresource Technology54 citations
Semantic Scholar
Influence of activated sludge derived-extracellular polymeric substance (ASD-EPS) as bio-flocculation of microalgae for biofuel recovery
O. Choi, Zachary Hendren, G. Kim, Dan-Dan Dong +1 more
202043 citations
Semantic Scholar
Non-membrane solvent extraction desalination (SED) technology using solubility-switchable amine.
O. Choi, J. Seo, G. Kim, Zachary Hendren +3 more
2020Journal of Hazardous Materials30 citations
Semantic Scholar
CO2-triggered switchable solvent for lipid extraction from microalgal biomass.
O. Choi, J. W. Lee
2022Science of the Total Environment20 citations
Semantic Scholar
Pre-recovery of fatty acid methyl ester (FAME) and anaerobic digestion as a biorefinery route to valorizing waste activated sludge
O. Choi, Kwanhyoung Lee, K. Park, Jae-Kon Kim +1 more
201717 citations
Semantic Scholar
Stimulation of Lipid Extraction Efficiency from Sewage Sludge for Biodiesel Production through Hydrothermal Pretreatment
Jongkeun Lee, O. Choi, Dooyoung Oh, Kawnyong Lee +2 more
202016 citations Open access
Semantic Scholar
Elucidation of the desalination mechanism of solvent extraction method through molecular modeling studies
Minsup Kim, O. Choi, Yeongrae Cho, Jae Woo Lee +1 more
202016 citations
Semantic Scholar
Bench-scale production of sewage sludge derived-biodiesel (SSD-BD) and upgrade of its quality
O. Choi, Jo Yong Park, Jae-Kon Kim, Jae Woo Lee
2019Renewable Energy13 citations
Semantic Scholar
Fates of water and salts in non-aqueous solvents for directional solvent extraction desalination: Effects of chemical structures of the solvents
O. Choi, Minsup Kim, A. Cho, Y. Choi +3 more
201913 citations
Semantic Scholar
Pilot-scale demonstration of nitrogen recovery in the form of ammonium phosphate (AP) from anaerobic digestate.
Dan-Dan Dong, O. Choi, Kwanhyoung Lee, Jae Woo Lee
2019Bioresource Technology13 citations
Semantic Scholar
Methane utilization in aerobic methane oxidation coupled to denitrification (AME-D): theoretical estimation and effect of hydraulic retention time (HRT)
Kwanhyoung Lee, O. Choi, Young Kim, Jeryang Park +1 more
2019Biodegradation11 citations
Semantic Scholar
Synergistic role of powdered activated carbon (PAC) for aerobic granular sludge (AGS) formation and organic micropollutant (OMPs) removal
O. Choi, Min Su Kim, J. W. Lee
2024Chemical engineering research & design10 citations
Semantic Scholar
Room-temperature ionic liquids as candidate materials for produced water desalination: Experiments and molecular dynamic analysis
O. Choi, Hae Chan Lim, Yeongrae Cho, A. Cho +6 more
2023Desalination9 citations
Semantic Scholar
Hydrothermal dechlorination strategy for high-quality oil recovery from polyvinyl chloride.
O. Choi, Eunhye Song, Ho Kim
2024Science of the Total Environment8 citations
Semantic Scholar
Characterization and Recovery of In Situ Transesterifiable Lipids (TLs) as Potential Biofuel Feedstock from Sewage Sludge Obtained from Various Sewage Treatment Plants (STPs)
O. Choi, Zachary Hendren, K. Park, Jae-Kon Kim +3 more
2019Energies7 citations Open access
Semantic Scholar
Carbon dioxide injection method for enhancing hydrogenotrophic denitrification of secondary wastewater effluent in fixed bed reactor
K. Park, S. Maeng, K. Ahn, Kwanhyoung Lee +2 more
2013Biotechnology and Bioprocess Engineering7 citations
Semantic Scholar
Alternative route for the recovery of nitrogen as ammonium phosphate crystals from high strength waste streams
Dan-Dan Dong, O. Choi, Kwanhyoung Lee, Yongsuk Hong +1 more
20185 citations
Semantic Scholar
Membrane Diffuser Coupled Bioreactor for Methanotrophic Denitrification under Non-aerated Condition: Suggestion as a Post-denitrification Option
Kwanhyoung Lee, O. Choi, Ji Hyun Song, Jae Woo Lee
20144 citations Open access
Semantic Scholar
Application of extracellular polymeric substances (EPSs)- bioflocculant for recovery of microalgae
O. Choi, Dan-Dan Dong, Jong-Rack Kim, S. Maeng +2 more
2021Journal of The Korean Society of Water and Wastewater1 citations
Semantic Scholar
Greenhouse gases emission from aerobic methanotrophic denitrification (AeOM-D) in sequencing batch reactor
Kwanhyoung Lee, O. Choi, Jae Woo Lee
20171 citations
Semantic Scholar
From nutrient recovery to fertilizer product quality: A nitrogen-quality framework for manure-derived liquid fraction management.
O. Choi
2026Journal of Environmental Management0 citations
Semantic Scholar
A Feasibility Study on Ultrasonic Vibration as a Filter Cloth Cleaning for Anaerobic Digestion Contamination by High-Pressure Dehydration
Eunju Kim, G. Kim, S. Han, O. Choi
2026International Journal of Environmental Research0 citations
Semantic Scholar
Effects of MLSS Concentration on Nitrification and Membrane Fouling in an MBR Treating Livestock Manure Wastewater: Potential of an End-free Hollow Fiber Membrane
O. Choi, G. Kim, Wonbae Lee
2026Journal of Korean Society of Environmental Engineers0 citations Open access
Semantic Scholar
Can Non-aqueous Solvent Desalinate?: Suggestion of the Screening Protocol for Selection of Potential Solvents
O. Choi, J. Seo, G. Kim, Dooil Kim +1 more
20200 citations
Semantic Scholar
Alternative route for the recovery of nitrogen as ammonium phosphate crystals from high strength waste streams
Dan-Dan Dong, O. Choi, Kwanhyoung Lee, Yongsuk Hong +1 more
2017Journal of Material Cycles and Waste Management0 citations
Semantic Scholar
Recovery of nitrogen from high strength waste stream by using natural zeolite (Clinoptilolite)
O. Choi, Kwanhyoung Lee, Dan-Dan Dong, Jae Woo Lee
20160 citations
Semantic Scholar

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