Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Sohyeon SUNG"'
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, 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
Publikováno v:
Materials, Vol 16, Iss 23, p 7373 (2023)
In recent years, many parts of the world have researched the transition to renewable energy, reducing energy consumption and moving away from fossil fuels. Among the studies to reduce energy consumption, passive radiative cooling can reduce the energ
Externí odkaz:
https://doaj.org/article/6f68378afc824d26ba306eb289d50d9e
Autor:
Young-Sang Cho, Sohyeon Sung
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 3, Pp 771-776 (2021)
Iron oxide nanoparticles were incorporated to form composite microspheres of SiO2 and Fe2O3 for magnetic separation of the particles after adsorption or photochemical decomposition. Economic material, sodium silicate, was purified by ion exchange to
Externí odkaz:
https://doaj.org/article/563f9d810bf544fca84d6124aa438ce6
Autor:
Young‐Sang Cho, Sohyeon Sung
Publikováno v:
The Canadian Journal of Chemical Engineering. 101:2148-2171
Autor:
Young-Sang Cho, Sohyeon Sung
Publikováno v:
Journal of Nanoscience and Nanotechnology. 21:4544-4552
In this study, a rotating cylinder system was used in the photocatalytic decomposition of organic dyes in aqueous medium for water purification. To this end, the titania nanoparticle dispersion was mixed with an organic dye solution under a rotating
Publikováno v:
Korean Journal of Metals and Materials. 59:99-112
In this study, silica aerogel particles were synthesized from emulsion droplets as micro-reactors at room temperature under ambient pressure. An economical precursor, sodium silicate, was used as the starting material for silica, and an emulsificatio
Autor:
Young-Sang Cho, Sohyeon Sung
Publikováno v:
Korean Journal of Chemical Engineering. 37:1836-1858
Analytical solutions of transient concentration profile inside particles were calculated by solving rection-diffusion equation in spherical, cylindrical, and slab-type porous particles, assuming first order irreversible reaction. Time-dependent conce
Publikováno v:
Korean Journal of Chemical Engineering. 37:1071-1085
Porous graphene and graphene-silica microparticles containing titania nanoparticles were synthesized by emulsion-assisted self-assembly for the photocatalytic decomposition of methylene blue in an aqueous medium. After the mixed dispersion of graphen