Catalyst material for reducing the nitrogen oxides in flue gases

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same

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502216, 502309, 502325, 502338, 502340, 502345, 502350, B01J 2106, B01J 2322, B01J 2718

Patent

active

048493929

ABSTRACT:
A catalyst material for nitrogen oxide reduction in flue gases in the presence of ammonia, comprising hydrothermal titanium dioxide and the additives of vanadium oxide and one or more oxides of the elements tungsten, phosphorus, sulfur, chromium, zirconium, magnesium, copper, cobalt, iron, and uranium, which hydrothermal titanium dioxide and additives material is activated by grinding.

REFERENCES:
patent: 3799888 (1974-03-01), Suvorov et al.
patent: 4085193 (1978-04-01), Nakajima et al.
patent: 4207209 (1980-06-01), Matsuda et al.

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