Search Results - "Kyung-Ran Hwang"

Sustainable bioplastics: Recent progress in the production of bio-building blocks for the bio-based next-generation polymer PEF by Hwang, Kyung-Ran, Jeon, Wonjin, Lee, Soo Youn, Kim, Min-Sik, Park, Young-Kwon

“…•Current progress in the catalytic conversion of bio-based HMF into FDCA are reviewed.•Recent progress in the synthesis of HMF from biomass are…”
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Recent progress in the thermal and catalytic conversion of lignin by Ha, Jeong-Myeong, Hwang, Kyung-Ran, Kim, Young-Min, Jae, Jungho, Kim, Kwang Ho, Lee, Hyung Won, Kim, Jae-Young, Park, Young-Kwon

“…The issues over increases in energy demand and environmental pollution attributed to excessive use of fossil fuel have been the driving forces of the…”
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Alkaline wet oxidation of lignin over Cu-Mn mixed oxide catalysts for production of vanillin by Jeon, Wonjin, Choi, Il-Ho, Park, Ji-Yeon, Lee, Jin-Suk, Hwang, Kyung-Ran

“…[Display omitted] •Cu-Mn mixed oxides having a Cu1.5Mn1.5O4 spinel phase are synthesized.•Higher Cu doping enhances a redox ability and surface oxygen…”
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Carbon recovery from wasted aqueous-phase bio-oil to fuel precursors through aldol-condensation reaction: A comprehensive review by Choi, Il-Ho, Hwang, Jinwoo, Han, Jeong Woo, Hwang, Kyung-Ran

“…[Display omitted] •Biogenic carbon recovery from discarded aqueous-phase pyrolysis oil of wood to bio-fuels•Aldol condensation as one of the C-C linkage…”
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Understanding the effect of co-reactants on ketonization of carboxylic acids in the aqueous-phase pyrolysis oil of wood by Choi, Il-Ho, Lee, Hye-Jin, Hwang, Kyung-Ran

“…Ketonization of carboxylic acids is one of the crucial reactions to produce sustainable bio-fuel and bio-chemicals from the pyrolysis oil of wood. Ketonization…”
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Advanced nickel metal catalyst for water–gas shift reaction by Hwang, Kyung-Ran, Lee, Chun-Boo, Park, Jong-Soo

“…A comparative study has been performed to investigate the effectiveness of a Ni metal catalyst before and after impregnation with potassium for the water–gas…”
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Economic analysis of vanillin production from Kraft lignin using alkaline oxidation and regeneration by Vu, Thang Toan, Lim, Young-Il, Song, Daesung, Hwang, Kyung-Ran, Kim, Deog-Keun

“…Lignin conversion to vanillin is one of the promising routes for lignin valorization. This study presents an economic analysis for the conceptual design of…”
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Selective Production of Bio-Based Linear Alpha-Olefin from Wasted Fatty Alcohol on Al2O3 for Bio-Based Chemicals by Lee, Hye-Jin, Choi, Il-Ho, Kim, Seung-Wook, Hwang, Kyung-Ran

“…The catalytic dehydration of a bio-based fatty alcohol was performed using Al2O3 prepared by solvothermal synthesis for selective production of long-chain…”
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Critical Point Drying: An Effective Drying Method for Direct Measurement of the Surface Area of a Pretreated Cellulosic Biomass by Kang, Kyu-Young, Hwang, Kyung-Ran, Park, Ji-Yeon, Lee, Joon-Pyo, Kim, Jun-Seok, Lee, Jin-Suk

“…The surface area and pore size distribution of samples that were pretreated by different methods were determined by the Brunauer⁻Emmett⁻Teller (BET) technique…”
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The Fabrication and Characterization of Piezoelectric PZT/PVDF Electrospun Nanofiber Composites by Yun, Ji Sun, Park, Chun Kil, Jeong, Young Hun, Cho, Jeong Ho, Paik, Jong-Hoo, Yoon, Sun Hong, Hwang, Kyung-Ran

“…Piezoelectric nanofiber composites of polyvinylidene fluoride (PVDF) polymer and PZT (Pb(Zr0.53Ti0.47)O3) ceramics were fabricated by electrospinning. The…”
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Recent developments and key barriers to advanced biofuels: A short review by Oh, You-Kwan, Hwang, Kyung-Ran, Kim, Changman, Kim, Jung Rae, Lee, Jin-Suk

“…•With 2DS, the biofuels’ transport-fuel share will be 30.7% by 2060.•Recent studies on advanced biofuels from different inedible feedstocks are…”
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Catalytic deoxygenation of waste soybean oil over hybrid catalyst for production of bio-jet fuel: in situ supply of hydrogen by aqueous-phase reforming (APR) of glycerol by Choi, Il-Ho, Hwang, Kyung-Ran, Choi, Hye-Young, Lee, Jin-Suk

“…A one-pot reaction was performed to produce oxygen-free saturated hydrocarbons via the catalytic deoxygenation and hydrogenation of waste soybean oil over a…”
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Biodiesel Production from High Free Fatty Acid Oils Using a Bifunctional Solid Catalyst by Jeong, Sang-Hyun, Lee, Hwa-Sung, Kim, Deog-Keun, Lee, Joon-Pyo, Park, Ji-Yeon, Hwang, Kyung-Ran, Lee, Jin-Suk

“…A bifunctional solid catalyst has been utilized for producing biodiesel from high free fatty acid (FFA) oils by simultaneous esterification and…”
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CFD analysis for the geometry effect of disc-type membrane module on separation performance by Lee, Geunjeong, Hwang, Kyung-Ran, Park, Jong-Soo, Park, Myung-June

“…A disc-type Pd-Au membrane module was considered, and a computational fluid dynamics (CFD) model was developed to describe the actual flow dynamics and the…”
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Catalytic steam reforming of glycerol over Ni–La2O3–CeO2/SBA-15 catalyst for stable hydrogen-rich gas production by Moogi, Surendar, Lee, In-Gu, Hwang, Kyung-Ran

“…Ni-based catalysts (Ni, Ni–La2O3, and Ni–La2O3–CeO2) on mesoporous silica supports (SBA-15 and KIT-6) were prepared by an incipient wetness impregnation and…”
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Effects of Sulfuric Acid Treatment on the Performance of Ga-Al2O3 for the Hydrolytic Decomposition of 1,1,1,2-Tetrafluoroethane (HFC-134a) by Min-Jae Kim, Yeonjin Kim, Jae-Rang Youn, Il-Ho Choi, Kyung-Ran Hwang, Seung Gon Kim, Young-Kwon Park, Seung-Hyun Moon, Ki Bong Lee, Sang Goo Jeon

“…HFC-134a, one of the representative hydrofluorocarbons (HFCs) used as a coolant gas, is a known greenhouse gas with high global warming potential. Catalytic…”
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Machine learning prediction of bio-oil production from the pyrolysis of lignocellulosic biomass: Recent advances and future perspectives by Lee, Hyojin, Choi, Il-Ho, Hwang, Kyung-Ran

“…Bio-oil produced through pyrolysis of lignocellulosic biomass has recently received significant attention due to its possible uses as a second-generation…”
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Novel micro-channel methane reformer assisted combustion reaction for hydrogen production by Hwang, Kyung-Ran, Lee, Chun-Boo, Lee, Sung-Wook, Ryi, Shin-Kun, Park, Jong-Soo

“…A metal catalyst-containing, 80 ml, micro-channel reactor (MCR) with a section dedicated to combustion reaction was investigated for the potential application…”
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Catalytic cracking of chlorinated heavy wax from pyrolysis of plastic wastes to low carbon-range fuels: Catalyst effect on properties of liquid products and dechlorination by Hwang, Kyung-Ran, Choi, Sun-A., Choi, Il-Ho, Lee, Kyong-Hwan

“…[Display omitted] •Catalytic cracking of chlorinated heavy wax from pyrolysis of plastic wastes.•Fe loaded HY catalyst has a dual function of catalytic…”
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Production of jet-fuel range precursors from carbonyl model compounds in aqueous-phase pyrolysis oil of wood over La-based mixed oxides by Lee, Hye-Jin, Choi, Il-Ho, Hwang, Kyung-Ran

“…Medium-chain oxygenates as jet-fuel range precursors were produced from carbonyl model compounds in aqueous phase pyrolysis oil via aldol-condensation reaction…”
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