Method for producing a catalytic structure for the reduction of

Details Method for producing a catalytic structure for the reduction of Method for producing a catalytic structure for the reduction of

1983-09-12

1985-05-28

Konopka, P. E.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

156 89, 4232132, 423239, 502182, 502184, 502185, 502242, 502254, 502258, 502309, 502350, 502353, 502527, B01J 3504, B01J 3128, B01J 2114, B01J 2112

Patent

active

045201242

ABSTRACT:
A method is provided for producing a catalytic structure in the form of sheet or honeycomb for the gas phase reduction of nitrogen oxides. The method comprises: beating an inorganic fiber in water to form a slurry; forming the slurry into a sheet by paper-making means and drying the sheet; impregnating the sheet or a honeycomb structure manufactured therefrom which has a porosity of 60-85% with an impregnating slurry which contains titanium dioxide or its precursor in a concentration at least of 100 g/l and has a viscosity of 5-250 cps. at normal temperatures, drying, and when necessary calcining the structure; and then immersing the structure in a solution containing a catalytically active agent or its precursor, drying and calcining the structure, thereby to provide a porous catalytic structure having titanium dioxide and the catalytically active agent substantially uniformly dispersed and supported therein.

REFERENCES:
patent: 4113660 (1978-09-01), Abe et al.
patent: 4233183 (1980-11-01), Inaba et al.
patent: 4280926 (1981-07-01), Abe et al.
patent: 4293447 (1981-10-01), Inaba et al.
patent: 4416800 (1983-11-01), Abe et al.

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