Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-12-09
1976-12-07
Ford, John M.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07D25132
Patent
active
039962245
ABSTRACT:
Waste digester liquor, containing dissolved triazines and iron, is treated with ammonia until the pH is about 2.5 to 4 thereby precipitating most of the triazines while leaving most of the iron in solution. The triazines are separated and recycled back to the digester. The filtrate of ammonium salts is useful as a source of fertilizer nitrogen.
REFERENCES:
patent: 3835136 (1974-09-01), Hirdler et al.
Berkowitz Sidney
Gray Charles A.
Manganaro James Lawrence
FMC Corporation
Ford John M.
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