Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Kyung Ran Hwang"'
Publikováno v:
Catalysis Communications, Vol 169, Iss , Pp 106471- (2022)
Medium-chain oxygenates as jet-fuel range precursors were produced from carbonyl model compounds in aqueous phase pyrolysis oil via aldol-condensation reaction on La-based mixed oxides. LaCeOx with high medium-strength basic site density related to t
Externí odkaz:
https://doaj.org/article/067547b741bc4a228467009750a03ae5
Publikováno v:
Polymers, Vol 13, Iss 17, p 2850 (2021)
The catalytic dehydration of a bio-based fatty alcohol was performed using Al2O3 prepared by solvothermal synthesis for selective production of long-chain linear-alpha-olefins (LAO). The effect of the synthesis temperature of alumina precursors on th
Externí odkaz:
https://doaj.org/article/05fdb41be02746d3bb6a782c55f22a4d
Publikováno v:
Wood Science and Technology. 55:1745-1764
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 using different mixed solutions of carboxylic acids, furfural, and hydroxyacetone has been
Publikováno v:
International Journal of Hydrogen Energy. 45:28462-28475
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 tested in glycerol steam reforming (GSR) for hydrogen-rich gas production. The catalyst
Publikováno v:
Catalysis Today. 352:95-103
Alkaline wet oxidation of lignin was performed to study the effect of Cu-Mn mixed oxide catalysts on the production of vanillin at between 120–180 °C using H2O2 as an oxidizing agent. The mixed oxide catalysts were prepared by a sol-gel method wit
Publikováno v:
Polymers, Vol 10, Iss 6, p 676 (2018)
The surface area and pore size distribution of Eucalyptus samples that were pretreated by different methods were determined by the Brunauer–Emmett–Teller (BET) technique. Three methods were applied to prepare cellulosic biomass samples for the BE
Externí odkaz:
https://doaj.org/article/b7356092bd304715a36558056d57e98b
Publikováno v:
Polymers, Vol 13, Iss 2850, p 2850 (2021)
Polymers
Volume 13
Issue 17
Polymers
Volume 13
Issue 17
The catalytic dehydration of a bio-based fatty alcohol was performed using Al2O3 prepared by solvothermal synthesis for selective production of long-chain linear-alpha-olefins (LAO). The effect of the synthesis temperature of alumina precursors on th
Autor:
Jae-Young Kim, Jungho Jae, Hyung Won Lee, Young-Kwon Park, Jeong-Myeong Ha, Kwang Ho Kim, Kyung-Ran Hwang, Young-Min Kim
Publikováno v:
Renewable and Sustainable Energy Reviews. 111:422-441
The issues over increases in energy demand and environmental pollution attributed to excessive use of fossil fuel have been the driving forces of the exploration for eco-friendly resource. Lignocellulosic biomass consisting of carbohydrates and ligni
Autor:
Tae-Wan Kim, Jong-Ki Jeon, Chul-Ung Kim, Soon-Young Jeong, Kyung-Ran Hwang, Eun Sang Kim, Jeong-Rang Kim
Publikováno v:
Journal of Nanoscience and Nanotechnology. 19:2443-2448
The effects of catalyst supports on catalyst performance in the hydrotreatment of vegetable oils (to produce fuel-range hydrocarbons such as gasoline, jet fuel, and diesel) were investigated, using three types of zeolites (ZSM-5, HY, and zeolite-beta
Publikováno v:
International Journal of Hydrogen Energy. 44:180-190
In order to obtain sustainable H2, the catalytic steam reforming of acetic acid derived from biomass was performed by using the catalysts modified with basic promoters (Mg, La, Cu, and K). La and K increased the total basicity of Ni/γ-Al2O3 by 30.6%