Catalyst for exhaust gas cleaning and its manufacture
专利汇可以提供Catalyst for exhaust gas cleaning and its manufacture专利检索，专利查询，专利分析的服务。并且PURPOSE:To obtain a ceramic catalyst with a honeycomb pattern and a large specific surface area by allowing a mixture of alumina and silica to bear a platinum metal and molding it into a form with a honeycomb pattern and a curvature. CONSTITUTION:When a cleaning catalyst for combustion exhaust gas from a petroleum stove is manufactured, first alumina, silica, potassium salts, cellulose ether, surfactant and water are mixed, then the mixture is formed into honeycomb using an extrusion molder. Next, these honeycombs are immersed in hot water and the cellulose ether is caused to gel. After this, this gelated cellulose ether is cut vertically with an extrusion direction into plate-like honeycomb. Subsequent to this, these are bent while being softened in water at normal temperature or hot water, then they are dried, baked and allowed to carry platinum metal. Thus cylindrical ceramic catalysts with a honeycomb pattern and a specific surface area are easily manufactured.，下面是Catalyst for exhaust gas cleaning and its manufacture专利的具体信息内容。
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