搜索结果: 1-15 共查到“石油化学工程 catalyst”相关记录77条 . 查询时间(0.057 秒)
Effect of 1-Methylnaphthalene Solvent on Cracking of Oil Sand Bitumen with Iron Oxide Catalyst in Steam Atmosphere
Oil sand bitumen Steam catalytic cracking Iron oxide catalyst 1-Methylnaphthalene
2010/9/8
Catalytic cracking of bitumen with steam was examined. The heavy oil fraction of bitumen reacted with active oxygen species generated from steam with the iron oxide catalyst, producing significant amo...
Oxidative Desulfurization of Naphtha with Hydrogen Peroxide in Presence of Acid Catalyst in Naphtha/Acetic Acid Biphasic System
Oxidative desulfurization Naphtha Hydrogen peroxide Acetic acid Thiophene Hydrodesulfurization
2010/9/8
Oxidative desulfurization of naphtha with H2O2 in the presence of H2SO4 in the naphtha/acetic acid (AcOH) biphasic system was investigated. All organosulfur compounds examined were smoothly oxidized i...
Effect of Pd/TiO2–Al2O3 Catalyst Support on Naphthalene Hydrogenation in the Presence of CO
Chemical hydride method Naphthalene hydrogenation Adsorbed carbon monoxide Palladium catalyst Titania alumina support
2010/9/8
Hydrogenation of naphthalene in the presence of CO was examined as a step in the organic hydride method for utilizing low grade hydrogen. Development of CO-tolerant hydrogenation catalysts will allow ...
High Propylene Selectivity in Methanol-to-olefin Reaction over H-ZSM-5 Catalyst Treated with Phosphoric Acid
ZSM-5 Methanol-to-olefin Light olefin Phosphoric acid Propylene production MFI
2010/9/8
H-ZSM-5 zeolite was treated with phosphorus acid by impregnating H-ZSM-5 with aqueous solutions of phosphoric acid at various concentrations. H-ZSM-5 (P-HZSM-5) modified with phosphoric acid was used ...
Effect of Fractal Dimension on CO Selectivity of K−Ni/α-Al2O3 Catalyst for High Pressure Oxidative Reforming of Methane
Oxidative methane reforming Fractal dimension Orthogonal array Radial basis function network Multivariate analysis
2010/9/8
To suppress total oxidation and increase the CO selectivity of high-pressure oxidative reforming of methane, preparation parameters of K−Ni/α-Al2O3 catalyst were optimized. The target preparatio...
Oxidative Cracking of Aromatic Compounds Related to Lignin Constituents with Steam Using ZrO2–Al2O3–FeOx Catalyst
Iron oxide catalyst Biomass Lignin-constituent aromatic Phenol Oxidative cracking
2010/9/8
The catalytic activity of iron oxide composite catalyst (ZrO2–Al2O3–FeOx) was investigated for converting aromatic compounds derived from plant biomass into useful aromatics. Catalytic cracking of lig...
Reaction Kinetics of Carbon Dioxide with Phenyl Glycidyl Ether by TEA-CP-MS41 Catalyst
Carbon dioxide absorption Phenyl glycidyl ether Triethylamine MCM-41 catalyst
2010/9/8
CP-MS41 was synthesized by hydrolysis of tetraorthosilicate, as a silicon source, with 3-chloropropyltriethoxysilane as an organosilane using cetyltrimethylammonium bromide as a template. TEA-CP-MS41 ...
Effect of Addition of Ce on Fe–K Mixed Oxide Catalyst in Dehydrogenation of Ethylbenzene
Ethylbenzene dehydrogenation Cerium addition Iron oxide catalyst Surface area
2010/9/8
Dehydrogenation of ethylbenzene was evaluated with Fe–K and Fe–Ce–K mixed oxide catalysts to examine the addition effect of Ce. Fe–Ce mixed oxide was prepared by co-precipitation of Fe and Ce nitrate ...
Increase Flexibility to Upgrade Residuum Using Recent Advances in RDS/VRDS-RFCC Process and Catalyst Technology
Residuum desulfurization Hydrotreatment Residuum fluid catalytic cracking Nickel molybdenum catalyst
2010/9/8
An overview of several refinery process options that convert high boiling point fractions of crude oil into more valuable distillates is presented. The combination of Residuum Desulfurization (RDS) wi...
Hydroconversion of Dimethylpentanes from Methylcyclohexane Using Two Consecutive Reactors Packed with Pt-modified Solid Acid Catalyst and Supported Ir Catalyst
Supported iridium catalyst Ring contraction Ring opening Clean gasoline Consecutive reactors
2010/9/8
Hydroconversion of methylcyclohexane was conducted over various noble metal-loaded catalysts at 493 K and atmospheric pressure. On the bases of the proposed reaction route and the rate of reaction ove...
Active Catalyst Derived from Nb-containing Heteropoly Acids: Their Acid Properties and Catalysis in Friedel-Crafts Reactions
Heteropoly acid Friedel-Crafts reaction Support effect NMR EXAFS Temperature programmed desorption
2010/9/8
A ternary-mixed oxide catalyst, H3PO4-WO3-Nb2O5, was prepared with the evacuation of a mixed solution of phosphoric acid, niobic oxalate, and (NH4)10W12O41, followed by calcination in air. We found th...
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...
Mechanism of NiMoO4 Formation during Oxidative Regeneration of Resid HDS Catalyst
Oxidative regeneration Resid hydrodesulfurization catalyst Vanadium accumulation Nickel molybdenum oxide Micro X-ray diffraction Coke burning
2010/9/8
Aggregation of the active metal components as NiMoO4 during oxidative regeneration of residue hydrodesulfurization catalyst was studied by conventional and micro X-ray diffraction (XRD). The formation...
Development of Chlorine Tolerant Degradation Catalyst for Chemical Recycling of Polyethylene
Low density polyethylene Polyethylene Chemical recycling
2009/8/4
Catalytic degradation of low density polyethylene (LDPE) including small amounts of poly(vinyl chloride) (PVC) has been carried out to develop a chlorine tolerant catalyst for chemical recycling of w...
Comparison of Genetic Programing, Radial Basis Function Network and Polynomial Equation Used for Response Surface Method for Catalyst Optimization
Genetic programing Cobalt-magnesia catalyst Methane dry reforming
2009/8/4
Preparation conditions of Co-MgO catalyst for methane dry reforming were optimized to maximize the CO yield. Response surface method, composed of design of experiment and regression method, was appli...