Method for recycling NO in a system producing ferric sulfate

Details Method for recycling NO in a system producing ferric sulfate Method for recycling NO in a system producing ferric sulfate

1987-09-15

1989-04-04

Heller, Gregory A.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423235, 4235731, 4235768, C01G 4114, C01B 1702, C01B 2100

Patent

active

048185140

ABSTRACT:
The present invention provides a method of using air to reclaim and recycle potentially contaminating NO in a system producing ferric sulfate solution from the oxidation of ferrous sulfate and sulfuric acid in the presence of NO and oxygen. The present invention economically avoids a potentially wasteful and hazardous production of NO containing gas.

REFERENCES:
patent: 2196584 (1940-04-01), Edison
patent: 3847570 (1974-11-01), Gunther
patent: 4693881 (1987-09-01), Miller

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