Korean Journal of Chemical Engineering
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Predicting the vapor-liquid equilibrium of carbon dioxide+alkanol systems by using an artificial neural network
Korean Journal of Chemical Engineering - - 2011
Tribo-electrostatic beneficiation of fly ash for ash utilization
Korean Journal of Chemical Engineering - Tập 18 - Trang 531-538 - 2001
The study was conducted to obtain the scale-up factor and the optimum design criteria for the development of a commercial scale electrostatic separator using a continuous, bench-scale electroseparator composed of two vertical electrode plates and an ejector-tribocharger. Tests of the charge density and separation efficiency to study the removal possibility of unburned carbon from coal fly ash were......
Chemical reaction engineering in the chemical processing of metals and inorganic materials
Korean Journal of Chemical Engineering - Tập 20 - Trang 415-428 - 2003
In traditional chemical reaction engineering, it is possible to incorporate only the simplified aspects of fluid flow, mixing, and mass/heat transfer into the analysis of chemical reaction rates and reactor design. As a consequence of the advent of high-speed, high-capacity computing capacity, complex processes involving chemical reactions have become amenable to analysis and modeling. This has al......
Composition modulation of Cu/Cu2O/CuO nanoparticles supported on carbon for p-nitrophenol reduction
Korean Journal of Chemical Engineering - Tập 36 - Trang 851-859 - 2019
Porous carbon supported Cu/Cu2O/CuO ternary catalysts were fabricated by pyrolysis, in which composition modulation of Cu/Cu2O/CuO was successfully realized by adjusting annealing atmosphere. The correlation between annealing atmosphere and composition of Cu/Cu2O/CuO ternary nanoparticles was deeply investigated. XRD and SEM measurement shows that the composition proportion of Cu/Cu2O/CuO can be e......
Novel polymorphous aluminosilicate nano minerals: Preparation, characterization and dyes wastewater treatment
Korean Journal of Chemical Engineering - Tập 34 - Trang 2406-2417 - 2017
Polymorphous aluminosilicate, such as Andalusite, Kyanite and Sillimanite, were prepared and characterized by XRF, XRD, FT-IR and SEM analysis. These cheap and accessible nanoparticles were used for removal of Disperse Red 177 and Disperse Blue 60 dyes. The adsorption process was held in a batch system considering the effects of major parameters consist of pH, adsorbent dosage, dye initial concent......
A kinetic model for glycerol chlorination in the presence of acetic acid catalyst
Korean Journal of Chemical Engineering - Tập 27 - Trang 66-72 - 2010
A kinetic model for the chlorination of glycerol with hydrochloric acid in the use of acetic acid as catalyst is presented in this study. The model is based on a comprehensive chlorination mechanism, taking the formation of 1,3-dichloro-2-propanol and 2,3-dichloro-1-propanol into account while ignoring the formation of any intermediate in the chlorination system. Simulations were carried out under......
Hydrophobic films for optical detection of dry carbon dioxide based on ion pairing and an amine polymer
Korean Journal of Chemical Engineering - - 2022
High temperature desulfurization over nano-scale high surface area ceria for application in SOFC
Korean Journal of Chemical Engineering - Tập 25 - Trang 223-230 - 2008
In the present work, suitable absorbent material for high temperature desulfurization was investigated in order to apply internally in solid oxide fuel cells (SOFC). It was found that nano-scale high surface area CeO2 has useful desulfurization activity and enables efficient removal of H2S from feed gas between 500 to 850°C. In this range of temperature, compared to the conventional low surface ar......
Improved Charge Separation and Effective H2 Production at Interface of Crystallized Ni(OH)2–SO4–Zn4(OH)6 Junction Derived from Chemically Bonded 2D–2D ZnO–NiS Nanopanel
Korean Journal of Chemical Engineering - Tập 41 Số 1 - Trang 195-211 - 2024
Microfiltration of yeast cells in an internal filter reactor
Korean Journal of Chemical Engineering - Tập 13 - Trang 404-408
Microfiltration was carried out in a newly-developed internal filter reactor system (stainless steel membrane filter, pore size=2 or 10 μm) using yeast cells ofSaccharomyces cerevisiae ATCC 24858, industrialS. cerevisiae, and recombinant yeast RH 51. The filter performance was measured in terms of filtrate flux and retention coefficient of cell, and was highly influenced by agitation speed and cel......
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