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7947623 |
Hydroprocessing bulk catalyst and uses thereof
A hydroprocessing bulk catalyst is provided. A process to prepare hydroprocessing bulk catalysts is also provided. The hydroprocessing catalyst has the formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h,,...
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7807597 |
Regeneration of ionic liquid catalyst using a regeneration metal in the presence of added hydrogen
A process for regenerating a used acidic ionic liquid catalyst comprising contacting the used ionic liquid catalyst with at least one ‘regeneration’ metal in a regeneration zone in the presence of ...
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7754645 |
Process for preparing hydroprocessing bulk catalysts
A process to prepare hydroprocessing bulk catalysts is provided. The hydroprocessing catalyst has the formula (Mt)a(Xu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least one group VIB metal; X is at...
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7737072 |
Hydroprocessing bulk catalyst and uses thereof
A hydroprocessing catalyst is provided. The hydroprocessing catalyst has the formula (Mt)a(Xu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least one group VIB metal; X is at least one Group VIII...
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7737073 |
Hydroprocessing bulk catalyst and uses thereof
A hydroprocessing bulk catalyst is provided. A process to prepare hydroprocessing bulk catalysts is also provided. The hydroprocessing catalyst has the formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h,...
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7678731 |
Hydroprocessing bulk catalyst and uses thereof
An improved hydroprocessing catalyst having improved morphology/dispersion characteristics is provided. The hydroprocessing catalyst has the formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M...
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7585404 |
Decomposition of waste products formed in slurry catalyst synthesis
This application discloses a process for decomposition of ammonium sulfates found in a stream comprising ammonium sulfate and slurry catalyst in oil. The ammonium sulfate is broken down into...
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6218326 |
Supported molten-metal catalysts
An entirely new class of catalysts called supported molten-metal catalysts, SMMC, which can replace some of the existing precious metal catalysts used in the production of fuels, commodity...
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5413975 |
Fixing large zeolite and zeolite-like molecular sieve crystals on moldings
Large zeolite and zeolite-like molecular sieve crystals of from 3 to 500 μm are fixed on moldings by a process in which an adhesion promoter is used or the moldings are softened.
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5385689 |
Process and composition for purifying semiconductor process gases to remove Lewis acid and oxidant impurities therefrom
Scavenger compositions useful for purifying process gas streams, such as process gas streams, such as hydrogen, nitrogen, noble gases, diborane, and hydride gases from Groups IVA-VIA of the...
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5340553 |
Method of removing oxygen from a controlled atmosphere
A method is provided for removing residual amounts of oxygen and water vapor from the controlled atmosphere of an enclosed chamber. A small volume of high-purity silicon is heated in a crucible...
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4898845 |
Catalyst dispersed in supported molten salt
A new method for the use of microcrystallites of various materials as catalysts. The materials include metals, metal alloys and mixtures, and intermetallic compounds all of which are used as...
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4808563 |
Molybdenum-tungsten-containing catalyst for methane conversion process
A catalyst is disclosed which comprises a molybdenum-tungsten-containing complex represented by the formula Moa Wb Mc Ad Oewherein M is selected from the group consisting of one or more metals...
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4257873 |
Hydrocracking with molten zinc chloride catalyst containing 2-12% ferrous chloride
In a process for hydrocracking heavy aromatic polynuclear carbonaceous feedstocks to produce hydrocarbon fuels boiling below about 475° C. by contacting the feedstocks with hydrogen in the ...
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4257914 |
Method for the regeneration of spent molten zinc chloride
In a process for regenerating spent molten zinc chloride which has been used in the hydrocracking of coal or ash-containing polynuclear aromatic hydrocarbonaceous materials derived therefrom and...
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4193894 |
Catalyst for oxidation of sulfur dioxide
A catalytic material for oxidation of sulfur dioxide to sulfur trioxide at any temperature above 300° C., comprising a catalyst which at reaction conditions is a melt including sulfatized vanadium ...
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4162963 |
Method for producing hydrocarbon fuels and fuel gas from heavy polynuclear hydrocarbons by the use of molten metal halide catalysts
In a process for hydrocracking heavy polynuclear carbonaceous feedstocks to produce lighter hydrocarbon fuels by contacting the heavy feedstocks with hydrogen in the presence of a molten metal...
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4161489 |
Conversion of mixtures of carbon oxides and hydrogen
Mixtures of hydrogen with oxides of carbon, preferably with carbon monoxide, are converted to hydrocarbons at temperatures below about 500° C. by contact with a fused alkali metal formate or ...
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4136056 |
Regeneration of zinc chloride hydrocracking catalyst
Improved rate of recovery of zinc values from the solids which are carried over by the effluent vapors from the oxidative vapor phase regeneration of spent zinc chloride catalyst is achieved by...
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4134826 |
Method for producing hydrocarbon fuels from heavy polynuclear hydrocarbons by use of molten metal halide catalyst
In a process for hydrocracking heavy polynuclear carbonaceous feedstocks to produce lighter hydrocarbon fuels by contacting the heavy feedstocks with hydrogen in the presence of a molten metal...
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4132628 |
Method for recovering hydrocarbons from molten metal halides
In a process for hydrocracking heavy carbonaceous materials by contacting such carbonaceous materials with hydrogen in the presence of a molten metal halide catalyst to produce hydrocarbons having...
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4092370 |
Process for producing tetrachloroethylene from tetrachloromethane using a molten salt catalyst
Processes for producing tetrachloromethane and tetrachlorethylene are disclosed. Tetrachloromethane is produced by contacting a chlorinated feed material having two to four carbon atoms, and...
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3965202 |
Production of trichloro-ethylene from waste C2 chlorinated hydrocarbons
All or a portion of chlorinated hydrocarbons convertible to trichloroethylene and/or perchloroethylene by chlorination, dehydrochlorination or dehydrogenation and optionally also dechloroination...
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3948759 |
Visbreaking a heavy hydrocarbon feedstock in a regenerable molten medium in the presence of hydrogen
Heavy hydrocarbon feedstocks, such as atmospheric and vacuum residua, heavy crude oils and the like, are converted to predominantly liquid hydrocarbon products by contacting said feedstocks in the...
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3755199 |
UNREDUCED CATALYST FOR AMMONIA SYNTHESIS AND PROCESS FOR ITS MANUFACTURE
A catalyst for ammonia synthesis having a high catalytic activity and good physical-chemical characteristics is prepared by gradually melting an iron bar above a steel crucible cooled on the...
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3586733 |
OXIDATIVE DEHYDROGENATION OF PARAFFINS
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3594329 |
REGENERATION OF ZINC CHLORIDE CATALYST
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3790469 |
HYDROCRACKING COAL IN MOLTEN ZINC IODIDE
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3721632 |
METHOD OF CATALYST PREPARATION
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3803205 |
PRODUCTION OF AROMATIC NITRILES BY AMMOXIDATION
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3812171 |
PRODUCTION OF NITRILES BY AMMOXIDATION
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3371049 |
Regeneration of zinc halide catalyst used in hydrocracking of polynuclear hydrocarbons
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3361681 |
Titanium tetraiodide suspensions
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3355376 |
Hydrocracking of polynuclear hydrocarbons
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3344084 |
Regeneration of acrylonitrile synthesis catalysts
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3141853 |
Method of regenerating a spent acrylonitrile synthesis copper catalyst
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3006862 |
Method of replenishing lost copper from a copper catalyst solution
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2947706 |
Process for regenerating catalysts used in the synthesis of acrylonitrile
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2809940 |
Method of producing a silver catalyst
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