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JPS5612456B2 |
PURPOSE:To extract efficiently the useful or harmful substance, by contacting the aqueous solution with the gas on the surface of the water-repellent substance supported with a reticulate material.
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JPS566336B2 |
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JPS5610336A |
PURPOSE: To provide the effective catalyst for enriching the hydrogen isotope, by making the carrier of the catalyst for the exchange reaction of the water-hydrogen isotope, from a porous water-repellent polytetrafluoroethylene which has...
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JPS563779B2 |
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JPS565141A |
PURPOSE: To obtain a hydrophobic catalyst with satisfactory strength, by supporting a catalytic metal as a hydrophobic catalyst for the oxidation on a carrier consisting of polycarbon monofluoride and polytetrafluoroethylene. CONSTITUTIO...
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JPS561135B2 |
Disclosed is a substance which is obtained by calcining an iron hydroxide or a water-containing iron oxide and coating the surface of the resultant calcined product with alumina. This substance is useful as a catalyst in the removal of n...
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JPS55167046A |
PURPOSE: To prevent vitrification in the component region of combustion ash adhered to the surface of catalyst during the usual operation period by previously coating the surface of a noble metal catalyst with 1W100g (per 1 liter of the ...
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JPS55162350A |
PURPOSE: To promote the reducing reaction by a method wherein, in case of reducing substances within an aqueous solution by a reactive gas, a catalitic component and a water repellent agent are coexisted with catalyst to be used to suppl...
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JPS55159843A |
Catalysts having improved attrition resistance are produced by incorporating a substantially uniform appearing coating of completely calcined, catalytically active oxide material onto an inert porous support containing sorbed aqueous sil...
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JPS55155740A |
PURPOSE: To obtain a catalyzer for exhaust gas treatment with increased strength of the catalyzing part colliding against abundant dust and reduced consumption, by dipping the side or end part of gas inlet side of porous denitrating cata...
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JPS5552009Y2 |
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JPS5552014Y2 |
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JPS5552013Y2 |
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JPS5552019Y2 |
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JPS55152551A |
PURPOSE: To prevent the lowering of catalyst function by suppressing the passage of vitrifiable components by thinly coating activated alumina on an activated alumina on which noble metals as cleaning catalysts for automobile exhaust gas...
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JPS55145535A |
PURPOSE: To obtain the catalyst for heavy water manufacturing, removal of 3H in water or exchanging reaction catalyst at the time of concentration, by carrying a specified activity component after dipping the packing, such as ceramics.me...
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JPS55121844A |
PURPOSE: To promote oxidation reaction rapidly by bringing sulfur ion present in aqueous solution into contact with an oxidative gas over a water-repellent catalyst. CONSTITUTION: The oxidation of S-- ion or HS- ion present in an aqueous...
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JPS55127824U |
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JPS55116442A |
The present invention provides a method of making an improved catalyst useful for hydrogenation of organic compounds and in other reactions. The method comprises mixing a porous particulate refractory support material with a hydrophobic ...
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JPS5591957A |
A process, and the compositions produced thereby, wherein an element characterized as aluminum, silicon or chromium, notably aluminum, is alloyed in relatively small concentrations with iron, cobalt or nickel, notably iron or cobalt, or ...
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JPS5559847A |
PURPOSE: To preserve super strong acid catalyst present in a reaction liquid for the conversion of hydrocarbons without lowering of activity by interrupting the contact of the hydrocarbons with super strong acid catalyst liquid in a reac...
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JPS5557458A |
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JPS5554039A |
PURPOSE: An integrated type catalyst to be used as an automobile exhaust gas cleaning catalyst, providing the saving of expensive platinum group precious metal components and associated cost saving as well as effective utilization of cat...
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JPS5513791B1 |
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JPS5510613Y2 |
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JPS55500085A |
A catalyst comprising a metal or alloy substrate, an oxidation resistant coating applied to the substrate, the coating comprising aluminum metal powder in a ceramic binder, a high surface area catalytic washcoat over the oxidation resist...
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JPS54143788A |
PURPOSE: To produce the title catalyst of high activity by supporting a VIII group metal on a deformed tube with restricted characteristics obtd. by molding liquid lubricant-contg. polytetrafluoroethylene (PTFE) into a tubular shape foll...
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JPS54143787A |
PURPOSE: To produce the title catalyst of high activity by supporting a VIII group metal on polytetrafluoroethylene (PTFE) with specified characteristic values obtd. by molding liquid lubricant-contg. PTFE into a tubular shape followed b...
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JPS54138015A |
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JPS5432051Y2 |
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JPS5460288A |
PURPOSE: A hydrophobic organic resin having continuous duct is deposited therein with powder or powdered porous body having a particular specific surface area so as to provide a high specific-surface-area catalyst carrier. Such carrier f...
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JPS549991B2 |
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JPS548195B2 |
1450526 Catalytic converter ACCUMULATORENWERK HOPPECKE CARL ZOELLNER & SOHN 18 April 1973 [2 Aug 1972] 51357/75 Divided out of 1437811 Heading B1F The device of the parent Specification 1437811 is modified in that the absorber 13 surroun...
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JPS545922Y2 |
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JPS545076B2 |
A process for the exchange of hydrogen isotopes between streams of gaseous hydrogen and liquid water is described, wherein the streams of liquid water and gaseous hydrogen are simultaneously brought into contact with one another and a ca...
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JPS545077B2 |
For the exchange of hydrogen isotopes between streams of gaseous hydrogen and liquid water, wherein the streams are at a temperature in the range 273 to 573K are brought into contact with one another and a catalytically active mass, an i...
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JPS53146288A |
PURPOSE: To obtain a suported catalyst which can prevent abnormal reaction due to disintegration of catalyst by treating a supported catalyst prepared by a usual process with alkyl silicates so as to increase the mechanical strength with...
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JPS53140293A |
1450526 Catalytic converter ACCUMULATORENWERK HOPPECKE CARL ZOELLNER & SOHN 18 April 1973 [2 Aug 1972] 51357/75 Divided out of 1437811 Heading B1F The device of the parent Specification 1437811 is modified in that the absorber 13 surroun...
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JPS53119290A |
A process has been developed for the depyrophorization of pyrophoric metal catalysts, such as Raney nickel catalysts, which comprises treating said pyrophoric metal catalysts in water and/or an organic solvent with an organic nitro compo...
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JPS53106397A |
PURPOSE: The titled catalyst with an extremely high catalytic activity, obtained by supporting metal of 8 group in the periodic table on a porous styrene-divinyl benzene copolymer having a specified specific surface area.
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JPS53100985A |
Cracking catalysts prepared by the addition of a sol of silica, alumina or mixtures thereof to an amorphous or zeolite cracking catalyst show improved resistance to metals poisoning and exhibit increased attrition resistance and higher s...
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JPS5334373Y2 |
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JPS5385792A |
Macrosized catalysts suitable for promoting chemical reactions, especially to reduce pollutants in waste gas streams such as automobile exhaust, are described. The catalysts have one or more metal components, especially a platinum group ...
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JPS5385791A |
Macrosized catalysts suitable for promoting chemical reactions, especially to reduce pollutants in waste gas streams such as automobile exhaust, are described. The catalysts have one or more metal components, especially a platinum group ...
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JPS5351504U |
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JPS5351505U |
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JPS5347415U |
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JPS537139Y2 |
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JPS5321215U |
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JPS5312912U |
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