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JPS6315019B2 |
PURPOSE:To effectively carry out a reaction between a gaseous and liquid phase reaction, by using a layered catalyst structure prepared by supporting a water repellent film-like catalyst by a support having a specific configuration to pr...
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JPS6313731B2 |
PURPOSE:To obtain a modified catalyst composition storable after adjustment, and always usable when wanted, by kneading a catalyst modified with a modifying agent and a silicone resin having gas permeability, and solidifying them into a ...
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JPS6313732B2 |
PURPOSE:To obtain a catalyst composition high in activity and durability, by fixing the catalyst to a silicone resin having gas permeability. CONSTITUTION:Ordinarily used catalyst, especially nonstereospecified catalyst, such as Pd, Pt, ...
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JPS6344945A |
PURPOSE: To reduce the danger of ignition at the mixing time of a catalyst and a solvent, by preliminarily adding a small amount of water to the catalyst to wet the same and adding a water-soluble org. solvent to the wetted catalyst to m...
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JPS635767Y2 |
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JPS635768Y2 |
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JPS636269B2 |
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JPS636268B2 |
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JPS637846A |
PURPOSE: To prevent the adhesion of the solid component in exhaust gas and to enhance catalytic durability, by forming a coating layer having micropores communicating with the surface of a denitration catalyst but substantially having no...
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JPS6259629B2 |
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JPS6258613B2 |
The present invention discloses an aqueous polymerization medium comprising (1) a catalyst composition which contains (a) an organometallic compound and (b) a transition metal compound wherein said catalyst composition is microencapsulat...
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JPS6254538B2 |
Carbon particles non-uniformly and non-continuously coated with polytetrafluoroethylene (PTFE) are produced by adding a PTFE emulsion to the carbon particles at a rate of less than approximately 100 ml/100 grams. The result is a mixture ...
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JPS6244975B2 |
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JPS62144543U |
A device for the containment of ceramic catalyst monoliths particularly of four cornered cross sectional area as well as for the combination of a plurality thereof into a package. The device includes elastic gaskets arranged on one of th...
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JPS6240284B2 |
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JPS62163747A |
PURPOSE: To make mechanical strength of a catalyst large and to reduce breakage in a period for assembling the catalyst by impregnating a soln. contg. a catalytic metallic component into fibrous ceramic and calcining it at high temp. and...
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JPS6253743A |
PURPOSE: To enhance conversion efficiency under a wet condition, by forming a hydrophobic polymer by performing polymerization of the monomer of the hydrophobic polymer through the contact with activated carbon and supporting platinum by...
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JPS6233545A |
Activated Raney metal cathodes are depyrophoricized by contacting them with at least one high-boiling, water-soluble, liquid organic polyhydroxyl compound.
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JPS6147577B2 |
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JPS61163044U |
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JPS61185339A |
PURPOSE: To provide the unsupported part of a catalytic metal with good accuracy, by immersing a monolithic catalyst carrier coated with activated alumina in an aqueous solution of a photocurable resin to coat the wall surfaces of all ce...
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JPS6132052B2 |
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JPS6130819B2 |
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JPS6128603B2 |
An apparatus for isotope exchange reaction is used in an apparatus for removing tritium in heavy water-moderated nuclear reactors or heavy water production plants, and comprises a plurality of mist generators and a plurality of reactor c...
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JPS6123022B2 |
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JPS617334B2 |
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JPS617333B2 |
A method is provided to promote, stabilize and strengthen metal catalysts used in the fluidized bed process for methanol synthesis which comprises the dipping of such catalysts into an alcoholic solution of metal alkoxide salt. The resul...
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JPS6138631A |
PURPOSE: To prevent the deterioration in activity and changes with time of the titled catalyst by allowing aromatic hydroperoxide and/or aromatic peroxide to react catalytically with hydrogen under the presence of a catalyst or a catalyt...
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JPS6128459A |
PURPOSE: To perform safe and economical replacement, in withdrawing the catalyst used in the reaction of hydrocarbons in a chemical plant, by primarily wetting the catalyst with mineral oil at first before secondarily wetting the same wi...
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JPS6052871B2 |
PURPOSE:To provide a coating layer with a catalytic activity to oxidation reaction, by applying onto a surface to be coated a paint containing an alkali-treated catalyst and a phosphate, and then curing the phosphate with heat. CONSTITUT...
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JPS6049024B2 |
Dissolution of Group VIII supported metal catalysts from semi-conductive or conductive carriers in liquid media containing a strong inorganic acid is stopped by making the Group VIII noble metal cathodic with respect to an anode placed i...
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JPS60200810A |
A process is described for producing sulphuric acid from sulphur dioxide (SO2) wherein two fluid streams, in the form of a gaseous SO2 gas and oxygen (air), and a liquid, primary sulphuric acid and water, are contacted with each other an...
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JPS60179142A |
A molded iron catalyst material which has an indentation hardness of from 850 to 1500 kp/cm2 and contains metallic iron particles, obtained from iron oxide particles by contact with hydrogen at less than 500 DEG C., and a lubricant, its ...
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JPS60179144A |
Molded catalyst materials contain metallic cobalt and/or nickel particles and a lubricant, the said particles being obtained by reduction of cobalt oxide and/or nickel oxide particles containing less than 0.1% by weight of alkali metal o...
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JPS6035181B2 |
PURPOSE:To provide the title catalyst by which hydrogen can be obtd. industrially at low temp. in a thermochemical system, by supporting one or more kinds of metals of the VIII platinum and IB groups in the periodic table on polytetraflu...
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JPS6021100Y2 |
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JPS60112887A |
The aging rate of heterogeneous solid acid catalysts useful in hydrocarbonaceous oil processing is decreased by catalytic processing in the presence of dispersed or soluble hydrogenation catalysts which are metallic compounds or salts in...
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JPS60106535A |
PURPOSE: To provide a catalyst having long life for rendering harmless waste gas contg. nitrogen oxides by adding ammonia to the waste gas and reducing nitrogen oxides in the gas by coating the surface of the catalyst with protonized zeo...
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JPS6094144A |
PURPOSE: To stabilize thermally a structure of narrow pore of a porous particle by adhering 0.1W1g/cm3 coke per narrow-pore volume to the inside of a narrow- pore of an inorganic porous particle having ≥0.3cm3/g narrow-pore volume and ...
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JPS6094142A |
A catalyst structure is provided comprising a hydrophobic, high surface area, crystalline silica (SiO2) lattice essentially free of aluminum oxide in the SiO2 lattice such as silicalite, catalyst crystallites of at least one metal from G...
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JPS6078644A |
PURPOSE: To prepare a catalyst having high anti-wear property and high denirating capacity, by adding a viscosity control agent to a binder solution comprising a silica sol to enhance the viscosity thereof while impregnating a carrier mo...
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JPS605230A |
PURPOSE: To provide a catalyst capable of effectively treat combustion exhaust gas over a long period of time, obtained by forming a coating layer comprising heat stable oxide to the surface of a catalyst layer supported by a carrier. CO...
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JPS59225741A |
PURPOSE: To enhance the activity of a water repellent catalyst useful in reaction between gas-liquid phases to a large extent, by supporting a fine particle of a noble metal protected by a high-molecular polymer by a carrier comprising a...
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JPS59211973A |
PURPOSE: To prevent deterioration due to water by providing a water-repellent film on the surface of a catalyst used as a catalyst plug to simplify the water supply of a lead storage battery. CONSTITUTION: After a catalyst is immersed fo...
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JPS59179158A |
PURPOSE: To produce easily a catalyst for test by packing successively catalysts, which are obtd. by absorbing successively the liquid contg. ≥1 kind of effective components in granular carriers supplied at a constant rate on an endles...
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JPS59179157A |
PURPOSE: To suppress poisoning of a catalyst activator and to extend its life by coating a solid acidic material consisting of 10W90wt% SiO2 and 10W90wt% Al2O3 or 10W90wt% SiO2 and 10W90wt% ZrO2 on the surface of a catalyst. CONSTITUTION...
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JPS59110042U |
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JPS5927618B2 |
PURPOSE:To obtain a copolymer suitable for a hydrophobic porous catalyst carrier with a large particle size, by a method wherein a polymerization initiator and a diluent are added to a vinyl monomer stock material to form a mixed liquid ...
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JPS5996423A |
PURPOSE:To prevent a catalyst from being overheated and deteriorated in an early stage by providing a means for detecting an engine operating state and its overheated state, and stopping secondary air supply to the exhaust system catalys...
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JPS5976713U |
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