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A new chemical synthesis for vanadium sulfide as high performance cathode
vanadium sulfide chemical synthesis
2015/1/12
Since 1990s, rechargeable Li-ion batteries have been widely used in consumer electronics such as cell phones, global positioning systems (GPS), personnel digital assistants (PDA), digital cameras, and...
Recycle of Wastewater from Lead-Zinc Sulfide Ore Flo-tation Process by Ozone/BAC Technology
Lead-zinc sulphide ore Ozone/BAC flotation wastewater recycle
2013/3/9
Lead-zinc sulphide ore contains lead sulphide (galena), and zinc sulphide (sphalerite). In the first flotation stage, galena is rendered hydrophobic with an organic collector such as xanthate, while s...
Origin of hydrogen sulfide in coal seams in China
Coal seam H2S Origin Bacterial sulfate reduction (BSR) Thermochemical sulfate reduction (TSR) Igneous activit
2012/3/28
In recent years, coal mines in China have seen accidents caused by sudden release of hydrogen sulfide (H2S), with higher severity. Based on recent local and overseas research on the origin of hydrogen...
Synthesis of Di-t-butyl Polysulfide from Isobutene, Hydrogen Sulfide, and Sulfur (Part 2) Catalytic Behavior of MFI Zeolites
Polysulfide synthesis Zeolite catalyst MFI zeolite Gallium Reaction mechanism
2009/8/4
Synthesis of di-t-butyl polysulfide from isobutene, hydrogen sulfide and sulfur was carried out at 125°C in an autoclave over MFI zeolite catalysts isomorphously framework-substituted with Al, Ga, an...
Inhibition Effect of Hydrogen Sulfide and Ammonia on NiMo/Al2O3, CoMo/Al2O3, NiCoMo/Al2O3 Catalysts in Hydrodesulfurization of Dibenzothiophene and 4,6-Dimethyldibenzothiophene
Hydrodesulfurization Inhibition effect Nickel molybdenum catalyst
2009/7/24
Model hydrodesulfurization catalysts (Co2.75Mo11, Ni2.75Mo11 and Ni0.9Co1.85Mo11 wt%/γ-Al2O3) prepared by impregnation of similar supports with similar starting materials were used in the following t...
Synthesis of Di-t-butyl-polysulfide from Isobutene, Hydrogen Sulfide, and Sulfur (Part 1) Catalysis by Alkali Metal Oxide and Alkaline Earth Metal Oxide Loaded on Alumina
Polysulfide Solid base catalyst Alkali metal Alkaline earth metal
2009/7/24
Synthesis of di-t-butyl-polysulfide from isobutene, hydrogen sulfide and sulfur was carried out over solid base catalysts such as alkali metal and alkaline earth metal oxides loaded on alumina. The p...
Preparation and Characterization of Co-Mo Model Sulfide Catalysts for Hydrodesulfurization
ydrodesulfurization Model catalyst Zeolite Support effect Cobalt molybdenum catalyst
2009/7/23
Development of highly active hydrodesulfurization (HDS) catalysts is one of the most urgent problems in the petroleum industry. Better characterization and understanding of the nature of HDS catalyst...
Application of CBD-Zinc Sulfide Film as an Antireflection Coating on Very Large Area Multicrystalline Silicon Solar Cell
Silicon Solar Cell Very Large
2008/10/30
The low-cost chemical bath deposition (CBD) technique is used to prepare CBD-ZnS films as antireflective (AR) coating for multicrystalline silicon solar cells. The uniformity of CBD-ZnS film on large ...
Structural studies of copper sulfide films:effect of ambient atmosphere
copper sulfide x-ray photoelectron spectroscopy x-ray diffraction
2010/10/12
We examined the structural properties of copper sulfide films as a function of the sulfurization time of 70-nm-thick Cu films. Copper sulfide films with various phases such as mixed metallic Cu-chalco...
Conversion of Carbonyl Sulfide Using a Low-Temperature Discharge Approach
Carbonyl sulfide RF plasma Destruction Acid rain Sulfur
2016/3/30
Carbonyl sulfide (COS) are usually yielded from the petrifaction industry or steel-making
plants. In this study, a low-temperature radio-frequency (RF) plasma approach was used to
destruct COS for r...