Process for the treatment of effluent from the synthesis of copp

Details Process for the treatment of effluent from the synthesis of copp Process for the treatment of effluent from the synthesis of copp

1975-10-07

1976-12-28

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D48722

Patent

active

040001571

ABSTRACT:
The effluent produced in the production of copper phthalocyanine according to the usual methods, containing by-products of the reaction and copper and molybdenum salts is advantageously purified by bringing it to a pH of between 3 and 9 and separating off the precipitate. The precipitate can be added to the starting components of the copper phthalocyanine production.

REFERENCES:
patent: 3519641 (1970-07-01), Nitzschmann et al.

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