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5750453 |
High surface area meixnerite from hydrotalcites infiltrated with metal salts
A method for making a synthetic mixed metal oxide or meixnerite which, when activated, has a high B.E.T. surface area, typically about 290 m 2 /g or greater. The method comprises activating...
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5622907 |
Post-reducing treatment of alcohol synthesis catalysts with carbon dioxide
A method is provided for improving the catalytic activity of an alcohol synthesis catalyst. In this method, the catalyst, after activation by exposure to a reducing atmosphere, is improved by...
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5583085 |
Preparation of dehydroxylated supports
Dehydroxylated oxide (e.g. silica) particles are obtained by reacting oxide particles, having surface hydroxyl groups, with a dialkylcarbonate or diarylcarbonate. The resulting products have...
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4835132 |
Catalyst and method of making a precursor for the catalyst
A CO shift catalyst comprises the calcined form of a precursor of the approximate formula, the precursor having a layer structure (Cu+Zn) 6 Al x R y (CO 3 ) (x+y/2 OH 12 +2(x+Y) nH 2 O where ...
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4436833 |
Preparation of methanol synthesis catalyst comprising zinc, copper and aluminum
A process for the preparation of methanol by reacting a gaseous mixture of carbon monoxide, carbon dioxide and hydrogen at an elevated temperature and under superatmospheric pressure over a...
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4199479 |
Hydrogenation catalyst
A catalyst composition having an intrinsic surface area above about 60 square meters per gram as measured by the BET nitrogen adsorption method, said catalyst comprising from about 1 to 30 weight...
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4110249 |
Preparation of bismuth modified spheroidal malachite
Spheroidal agglomerates of malachite crystals are prepared by bringing together solutions of a cupric salt, a bismuth salt and an alkali metal carbonate or bicarbonate to form a mixture containing...
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4065406 |
Catalyst for use in treating gas
Two types of catalysts are disclosed. They are: 1. Catalyst for oxidation of carbon monoxide, nitrogen monoxide or sulfur dioxide, comprising manganese dioxide, calcium aluminate, iron oxyhydroxide...
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3939103 |
Catalytic product for the oxidative destruction of gaseous organic compounds and method for their preparation
A catalyst for the oxidative destruction of gaseous organic compounds comprises 50-80% of a mixture of active carbonates and oxides, i.e., 50-85% of manganese oxides, 0-30% of manganous carbonate,...
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3448059 |
REDUCED PALLADIUM METAL ON FERRIC COMPOUND SUBSTRATES HYDROGENATION CATALYSTS
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3404098 |
Platinum group metal catalysts supported on rare earth carbonates
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3117939 |
Hydrogenation catalysts
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