搜索结果: 1-15 共查到“石油化学工程 zeolite”相关记录19条 . 查询时间(0.042 秒)
Adsorptive Removal of t-Butanethiol Using Metal Ion-exchange Y Type Zeolite under Ambient Conditions
Adsorptive removal t-Butanethiol Y type zeolite Silver ion exchange Copper ion exchange Ambient adsorption
2010/9/8
Adsorptive removal of t-butanethiol (TBT), an odorant additive, from city gas was carried out using metal ion-exchange Y type zeolites at ambient temperature and pressure. The adsorption capacity of T...
Catalytic Combustion of Dioxin Analogue Compounds on Pt Supported Zeolite
Dioxin Dibenzofuran Chlorobenzene Catalytic combustion Platinum catalyst Zeolite catalyst
2010/9/8
The catalytic combustion of dibenzofuran and chlorobenzene, model compounds for dioxin, was investigated on Pt supported zeolite catalysts. Among transition metals, such as Pd, Au, Ni, etc., Pt suppor...
Novel Three-component Zeolite Capsule Catalyst for Direct Synthesis of Isoparaffin
Isoparaffin Zeolite Microencapsulation Three-component structure Hydrogenation
2010/9/8
One zeolite capsule catalyst with core(Co/Al2O3)/shell(H-beta membrane) structure was prepared and used for isoparaffin direct synthesis via FTS reaction. Based on this core/shell zeolite capsule cata...
Hydrocarbon Desorption Characteristics of Metal-impregnated Zeolite and Its Evaluation in Vehicle Test
Hydrocarbon absorbent Desorption temperature Silver BEA zeolite Diffuse reflectance UV-vis Silver valence Vehicle exhaust evaluation
2010/9/8
For the purpose of heightening hydrocarbon desorption temperature for hydrocarbon adsorption-combustion catalyst, we researched about some kinds of zeolites and of hydrocarbon adsorption elements. The...
Combined Method of Ammonia IRMS-TPD Experiment and DFT Calculation to Characterize Zeolite Acidity
Zeolite Acidity Temperature programmed desorption Infrared spectroscopy Density functional theory Catalytic cracking
2010/9/8
Our recently developed potential characterization method for studying the zeolite acidity is reviewed. In this method, ammonia TPD is a principle technique and first the principle of the method was ex...
Hydroisomerization of n-Hexadecane over Pt/Beta and Pt/USY Zeolite Catalysts
Beta zeolite catalyst Hydroisomerization Acidity Hexadecane
2009/8/4
Bifunctional platinum (0.8 wt%) catalysts containing beta and USY zeolites were tested for the hydroisomerization of n-hexadecane. The Pt/Beta(SiO2/Al2O3 = 40) catalyst with moderate acid strength sh...
Effect of Yb Loading on Aromatic Hydrogenation Activity of Pd-Pt/USY Zeolite Catalysts
Palladium platinum catalyst USY zeolite Ytterbium modification
2009/8/4
A series of bimetallic palladium-platinum (molar ratio Pd : Pt=4 : 1) catalysts supported on ytterbium (Yb)-modified ultrastable Y (USY) zeolite, Pd-Pt/Yb-USY, were prepared and characterized to inve...
Propene Production from Ethene and Methane Using Silver- and Proton-exchanged Zeolite Catalysts
Methane activation Propene production Silver-exchanged zeolite catalyst
2009/8/4
Two new methods for the catalytic synthesis of propene using solid acid catalysts are presented. The first approach is a new method for the activation of methane, involving conversion of methane to p...
Effect of Extraframework Aluminum of USY Zeolite on Sulfur Tolerance of Pd-Pt/USY Catalyst
Extraframework aluminum Delaminated USY zeolite Palladium platinum catalyst
2009/8/4
A series of bimetallic Pd-Pt (mole ratio Pd:Pt=4:1) catalysts supported on ultrastable Y (USY) zeolites and delaminated USY zeolites were prepared and characterized by XRD, 27Al MAS NMR and CO adsorp...
Effect of SiO2/Al2O3 Ratio and Crystalline Structure of Zeolite on Hydrogenation and Hydrodesulfurization over Pt-Pd Catalyst Supported on USY Zeolite
Palladium platinum catalyst USY zeolite Desulfurization Hydrogenation
2009/7/27
Effects of the carrier characteristics were studied on the catalytic properties of Pt-Pd-supported USY zeolites in the hydrogenation of tetralin and the hydrodesulfurization of 4,6-dimethyldibenzothio...
Hydrodechlorination over Zeolite Supported Catalysts—Clarification of Reaction Mechanism
Hydrodechlorination Zeolite Noble metal Acidity Dealumination IR spectroscopy
2009/7/27
Chlorinated compounds emitted into the atmosphere are responsible for the current thinning and shrinking of the ozone layer in the stratosphere. Two main potential methods have been suggested for the...
Titanium Modified USY Zeolite-based Catalysts for Hydrocracking Residual Oil (Part 3) Preparation and Activity Test of Catalysts Based on Realuminated USY
Hydrocracking Realuminated USY zeolite Titanium modification
2009/7/24
A high Si/Al ratio USY zeolite with high mesoporosity was used as the starting material for hydrocracking catalysts for residual oil to improve the catalytic selectivity for middle distillate fractio...
Shape-selective Methylation of 4-Methylbiphenyl to 4,4'-Dimethylbiphenyl with Supercritical Methanol over Zeolite Catalysts
Supercritical methanol Shape selectivity Methylation
2009/7/24
The applicability of supercritical methanol was investigated to the selective para methylation of 4-methylbiphenyl to produce 4,4'-dimethylbiphenyl, which has recently attracted much attention as a ...
Catalyst Deactivation of High-silica ZSM-5 Zeolite Modified with Noble Metals during Vapor Phase Beckmann Rearrangement of Cyclohexanone Oxime
Beckmann rearrangement Catalyst deactivation High-silica zeolite
2009/7/24
High-silica ZSM-5 zeolites were synthesized by the addition of pentavalent ions, such as phosphorus and arsenic ions, to the mother gel for the zeolite preparation. The Beckmann rearrangement of cycl...
Titanium Modified USY Zeolite-based Catalysts for Hydrocracking of Residual Oil (Part 2) Development of Catalysts for Fixed Bed Reactors
Hydrocracking Titanium modification USY zeolite Residual oil Mesopore
2009/7/24
The present study tried to develop hydrocracking catalysts for commercial hydrotreating plants to treat residual oil based on the molybdenum-supported Ti-modified zeolite (MTZ) described in Part 1 of...