Process for reducing nitrogen oxides by treating catalyst suppor

Details Process for reducing nitrogen oxides by treating catalyst suppor Process for reducing nitrogen oxides by treating catalyst suppor

1974-01-22

1976-03-30

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

B01J 2104

Patent

active

039473791

ABSTRACT:
The use of urea in conjunction with calcination of catalyst materials containing sources of oxides of nitrogen results in suppression of oxides of nitrogen during such calcination and reduces air pollution formerly associated with such calcinations.

REFERENCES:
patent: 3267025 (1966-08-01), Gring et al.
patent: 3471399 (1969-10-01), O'Hara
patent: 3528797 (1970-09-01), Funk et al.
Kerns, Chemical Suppression of Nitrogen Oxides, I & EC Proc. Des. & Dev., Vol. 4, No. 3, pp. 263-265, July 1965.

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