Process for producing a denitration catalyst

Details Process for producing a denitration catalyst Process for producing a denitration catalyst

1990-11-21

1992-11-24

McFarlane, Anthony

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502312, 502321, 502327, 502350, 502354, B01J 2322, B01J 2328

Patent

active

051661225

ABSTRACT:
A process for producing a denitration catalyst suitable for catalytically reducing nitrogen oxides in exhaust gases having a low dust content with ammonia is provided, which process comprises adding water to catalyst raw materials affording titanium oxide, molybdenum oxide and vanadium oxide at the time of calcination respective proportions thereof being in the range of Ti/Mo/V=97-65/3-20/0-15 atomic %, to make slurry, followed by coating the slurry onto a metal substrate and drying. Molybdenum oxide particles are coated on a titanium oxide particle at calcination, which makes the grindability of the catalyst particle easy and improve its adherence to the metal substrate.

REFERENCES:
patent: 4333858 (1982-06-01), Decker et al.
patent: 4370262 (1983-01-01), Takahashi et al.
patent: 4466947 (1984-08-01), Imanari et al.
patent: 4847234 (1989-07-01), Hums
patent: 4849392 (1989-07-01), Hums et al.
patent: 4851381 (1989-07-01), Hums
patent: 4925825 (1990-05-01), Tachi et al.

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