The photo-catalytic activity of tungsten oxide doped TiO2 was evaluated through the elimination of methylene ... It has been confirmed that WOx-TiO2 could be excited by visible light (E<3.2 eV) and that the recombination ... the Sonochemistry method and to evaluate the effect of different percentages (0.5-5 wt%) of tungsten oxide
The copper oxide nano powders were synthesized by levitational gas condensation (LGC) method, and were ... It was shown that benzaldehyde coordination, acetoacetic ether on the oxide surface is carried out with ... applied to catalyst to fabricate 3,4-dihydropyrimidin-2-(1H)-one.
The diameter of the nanowires decreased along the growth direction, and no catalytic particles were detected ... TiO2 nanowires were grown by thermal oxidation of TiO powder in an oxygen and nitrogen gas environment ... The oxidation process was carried out at different O2/N2 ratios of 0/100, 25/75, 50/50 and 100/0.
for oxidation. ... TiO2 nanowires were self-catalytically synthesized on bare Si(100) substrates using metallorganic chemical ... This MOCVD synthesis technique is unique and efficient to self-catalytically grow TiO2 nanowires, which
소각과정은 고온에서 충분한 혼합과 시간을 가지고 탄화수소를 완전연소 시키는 것을 의미한다. 4) 촉매변환기 (catalytic converter) : 자동차 매연 처리 - 탄화수소와 ... 소각법 (Incineration) - 활성탄과 같은 다공질 물질에 오염된 가스를 통과시키면 오염된 가스가 다공질 물질 표면에 부착됨으로써 제거되게 하는 방법이다. 3) 산화법 (Oxidation ... 전기
This transfer of charge should enhance the oxidation of the adsorbed organic substrate. ... Excellent catalytic degradation of an Rh.B solution was observed using the WO3-TiO2 composites under ... A rhodamine B (Rh.B) solution under ultrasonic irradiation was used to determine the catalytic activity
) using catalytic
chemical vapour deposition (CCVD) method. ... oxide (NiFe2O4). ... The catalysts and MWCNTs prepared
using the optimal conditions are characterized using high resolution
The electrochemical deposition of Pt nanoparticles on carbon nanotubes (CNTs) supports and their catalytic ... activities formethanol electro-oxidation were investigated. ... Pt catalysts of 4~12nm average crystalline size were grown on supports bypotential cycling methods.
Finally, available VOCs control technologies were introduced, including thermal and catalyticoxidation ... Volatile organic compounds(VOCs) are harmful substances that contribute to stratospheric ozone depletion ... VOCs in the atmosphere were detected at the highest concentration in industrial complexes.
CNT-supported Pt-based nanoparticles were then employed as anodecatalysts in PEMFC to investigate their catalytic ... CNT-supported Pt-based nanoparticles were then employed as anodecatalysts in PEMFC to investigate their catalytic ... activity and single-cell performance towards H2 oxidation.
RuO2 nanowire support give superior catalytic activity in the methanol electro-oxidation and a higher ... electrochemical properties, such as methanol electro-oxidation and electrochemically active surface ... Therefore, the Pt nanoparticle catalysts incorporated on the electrospun RuO2 nanowire support could
oxidation, of the Pt/PPy-RGO combination was much better than for commercial catalyst. ... The fundamental electrochemical test results indicated that the electro-catalytic activity, for methanol ... (Pt/PPy-reduced graphene oxide [RGO]) is reported.
Excellent catalytic degradation of Texbrite BA-L (TBA) solution is observed using the SnS-TiO2 composites ... The generation of reactive oxygen species is detected through the oxidation reaction from 1,5-diphenyl ... SnS-TiO2 nanocomposites are synthesized using simple, cheap, and less toxic SnCl2 as the tin (II) precursor
The electrochemical deposition of Pt nanoparticles on carbon nanotubes (CNTs) supports and their catalytic ... activities formethanol electro-oxidation were investigated. ... The electrochemical deposition of Pt nanoparticles on carbon nanotubes (CNTs) supports and their catalytic
Under the reaction condition, 10wt%PbSO4/MgO catalyst showed the highest catalytic activity : methane ... oxidative coupling of methane to produce ethane and ethylene. ... This study was conducted to find a catalyst system which has high conversion and selectivity for the
oxides via aqueous impregnation solutions of cobalt nitrate or cobalt acetate followed by reduction ... It is found that cobalt nitrate supported MWCNTs is more dispersive and have catalytic activity than ... that of cobalt acetate supported MWCNTs at same preparation condition such as concentration of precursor
Pd catalysts have been used in hydrogenation oxidation and low temperature combustion reaction for toluene ... These results may suggest that the catalytic activity is related to Pd dispersion according sintering ... As a result, 1.0wt% Pd(R) catalyst under all conditions showed the highest activity.
The selective catalytic reduction (SCR) reaction of promoter catalysts was investigated in this study ... At over 300℃, NH3 oxidation was decreased as decreasing of surface excess oxygen. ... Conversion of NH3/NO ratio was
practiced at 1, 1.5, 2 respectively and conversion of O2 concentration
oxides via aqueous impregnation solutions of cobalt nitrate or cobalt acetate followed byreduction in ... It isfound that cobalt nitrate supported MWCNTs is more dispersive and have catalytic activity than that ... oxides via aqueous impregnation solutions of cobalt nitrate or cobalt acetate followed byreduction in
of DPB supported PtAu catalyst for formic acid oxidation was similar to that of Vulcan XC-72 of commercial ... Electrochemical measurements and direct formic acid fuel cell test indicated that catalytic activity ... quantity of volatile which is mainly consist of hydrogen.