Patent application number | Description | Published |
20090053121 | CATALYST FOR OXIDIZING MERCURY METAL, EXHAUST GAS PURIFYING CATALYST COMPRISING CATALYST FOR OXIDIZING MERCURY METAL, AND METHOD FOR PRODUCING SAME - A catalyst mainly containing silicon oxide and vanadium oxide and having an Si/V atomic ratio within the range from 99.5/0.5 to 85/15 is obtained by gelatinizing a liquid mixture of a colloidal silica and a vanadium compound in advance, then mixing the thus-obtained slurry by heating, and finally drying and/or firing the resulting mixture. As a catalyst for oxidizing mercury metal, this catalyst is brought into contact with an exhaust gas containing mercury metal, thereby oxidizing mercury metal. | 02-26-2009 |
20090246111 | EXHAUST GAS PURIFICATION CATALYST AND METHOD FOR PRODUCTION THEREOF - The invention realizes a catalyst which is hardly deteriorated even when volatile catalyst-poisoning compounds such as P and As are accumulated and which can reduce the rate of oxidation of SO | 10-01-2009 |
20100069231 | BASE FOR CATALYST, CATALYST AND METHODS FOR PRODUCING THOSE - The present invention provides a catalyst base material and a catalyst which have high strength, high porosity or high activity and methods of producing the catalyst base material and catalyst. The present invention relates to a method of producing a catalyst base material, the method comprising dispersing or dissolving a hydrophilic polymer coagulant as a first component, a water-soluble thickener as a second component, a colloidal inorganic binder as a third component and an inorganic fiber as a fourth component in water to form a catalytic slurry or paste, supporting the catalytic slurry or paste on a net-like substrate such that the meshes of the net-like substrate are filled up with the slurry or paste, by drying and/or calcinating the substrate. | 03-18-2010 |
20100183492 | EXHAUST GAS PURIFYING CATALYST - To overcome the problem of a conventional catalyst and to provide an exhaust gas purifying catalyst that meets the requirement concerning Hg oxidation activity and SO | 07-22-2010 |
20110116999 | EXHAUST GAS PURIFICATION CATALYST ON WHICH INFLUENCE OF IRON COMPOUND HAS BEEN SUPPRESSED - An exhaust gas purification catalyst is provided which contains titanium oxide as a main component and an oxide of one element or two or more elements selected from the group consisting of tungsten (W), molybdenum (Mo), and vanadium (V) as an active component, wherein the exhaust gas purification catalyst contains phosphoric acid or a water soluble phosphoric acid compound so that the atomic ratio of phosphorus (P) to a catalytically active component represented by the following formula is more than 0 and 1.0 or less; | 05-19-2011 |
20110189069 | EXHAUST GAS PURIFICATION CATALYST AND METHOD FOR PRODUCTION THEREOF - The invention realizes a catalyst which is hardly deteriorated even when volatile catalyst-poisoning compounds such as P and As are accumulated and which can reduce the rate of oxidation of SO | 08-04-2011 |
20130129590 | EXHAUST GAS PURIFYING CATALYST - To overcome the problem of a conventional catalyst and to provide an exhaust gas purifying catalyst that meets the requirement concerning Hg oxidation activity and SO | 05-23-2013 |
20130142719 | EXHAUST GAS PURIFICATION CATALYST AND PRODUCTION METHOD THEREFOR, AND METHOD FOR PURIFYING NITROGEN OXIDE IN EXHAUST GAS - An exhaust gas purification catalyst is made as a composition comprising titanium oxide (TiO | 06-06-2013 |
20130251612 | EXHAUST GAS PURIFICATION CATALYST SUPPRESSING INFLUENCE OF IRON COMPOUND - An exhaust gas purification catalyst contains titanium oxide as a main component and an oxide of one element or two or more elements selected from the group consisting of tungsten (W), molybdenum (Mo), and vanadium (V) as an active component, wherein the exhaust gas purification catalyst contains phosphoric acid or a water soluble phosphoric acid compound so that the atomic ratio of phosphorus (P) to a catalytically active component represented by the following formula is more than 0 and 1.0 or less; P/catalytically active component (atomic ratio)=number of moles of P/(number of moles of W+number of moles of Mo+number of moles of V). | 09-26-2013 |