Zobrazeno 1 - 10
of 292
pro vyhledávání: '"Young-Sang CHO"'
Publikováno v:
Medžiagotyra, Vol 30, Iss 3, Pp 360-368 (2024)
Economic raw materials such as low-grade ethanol and Tetraethyl Ortosilicate (TEOS) were adopted as reactants for the synthesis of monodisperse silica nanospheres using a Taylor Vortex flow reactor with a rotating cylinder system. Factors affecting t
Externí odkaz:
https://doaj.org/article/b12af5fd4e764f6182b6272794c5a096
Autor:
Young-Sang Cho
Publikováno v:
Journal of Chemical Engineering of Japan, Vol 57, Iss 1 (2024)
AbstractModeling of cone-shaped catalytic pellets was performed for irreversible first order reaction by finite element method. Calculations were also made assuming core-shell cone-shaped pellets with inert cores or hollow cone-shaped catalysts immer
Externí odkaz:
https://doaj.org/article/6e3fed6ca27640b497726cc3f6da9d30
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 2, Pp 453-457 (2024)
In this study, Taylor-vortex reactor was adopted to synthesize silica nanoparticles from sodium silicate solution and carbon dioxide. The outstanding advantages of the reactor have been demonstrated by comparing the synthesis results of silica nanopa
Externí odkaz:
https://doaj.org/article/7b302274e2f2411a8942425643814edd
Publikováno v:
Medžiagotyra, Vol 30, Iss 2, Pp 137-142 (2024)
This study fabricated a functional coating layer for transparent electrodes using antimony tin oxide nanopowder. The wet grinding method was employed to create a stable dispersion solution of antimony tin oxide nanopowder with aminopropyl tri-methoxy
Externí odkaz:
https://doaj.org/article/d092cd489e7a4563a17961ad3edf1993
Autor:
Young-Sang Cho
Publikováno v:
Journal of Chemical Engineering of Japan, Vol 56, Iss 1 (2023)
Modelling and simulation were performed for catalytic reactors containing core-shell spherical, cylindrical, and slab-type pellets, focusing on exothermic reactions. By solving material and energy balance equations simultaneously using the finite ele
Externí odkaz:
https://doaj.org/article/345db4b7dbce4dfdbbfb083c1c6b18a3
Autor:
Young-Sang Cho
Publikováno v:
Journal of Chemical Engineering of Japan, Vol 56, Iss 1 (2023)
Modeling of core-shell catalytic pellets with inert shell was performed assuming three different particle shapes such as sphere, cylinder, and slab. For isothermal irreversible first order reaction, A→B, analytical solutions of intra-particle conce
Externí odkaz:
https://doaj.org/article/bb318c38753e49e38b63bca27b54665b
Autor:
Young-Sang Cho
Publikováno v:
Journal of Chemical Engineering of Japan, Vol 56, Iss 1 (2023)
Mathematical modeling of catalytic reaction was performed for hollow cylindrical pellets with infinitely long or finite length. For isothermal irreversible first order reaction, intra-particle concentration could be predicted from analytical solution
Externí odkaz:
https://doaj.org/article/c8fa2fd657634651a538e5067dc1c912
Publikováno v:
Journal of Chemical Engineering of Japan, Vol 56, Iss 1 (2023)
Modeling of adsorption phenomena was carried out for core-shell adsorbents with spherical, cylindrical, and slab-type morphologies. Numerical solutions of adsorbates in the adsorber could be obtained as a function of time by solving coupled diffusion
Externí odkaz:
https://doaj.org/article/cc5c5566d2a8481ea2f20d9865d24595
Autor:
Young-Sang Cho
Publikováno v:
Journal of Chemical Engineering of Japan, Vol 56, Iss 1 (2023)
Analytical solutions of transient concentration of a reactant in a batch or a continuous stirred-tank reactor (CSTR) containing catalytic pellets were derived by solving systems of reaction-diffusion equations. The material balance equations for bulk
Externí odkaz:
https://doaj.org/article/cfd9d3acd6574fc3a75b7e0de262b2a9
Autor:
Young-Sang Cho, Sohyeon Sung
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 68, Iss No 1, Pp 51-56 (2023)
Fixed beds were adopted for removal of organic dye from water by photocatalytic decomposition or adsorption. To this end, macroporous titania or silica micro-particles were synthesized from emulsions as micro-reactors and packed in the bed. During fe
Externí odkaz:
https://doaj.org/article/3107a4f8a27d4bf287514fdf676af4f4