Copper liquor control system

Details Copper liquor control system Copper liquor control system

1979-12-20

1981-03-17

Serwin, R. E.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Automatic analytical monitor and control of industrial process

23230A, 364500, 422119, G01N 2700, G06F 1546

Patent

active

042566959

ABSTRACT:
A control system controls the cupric ions content and the cuprous ions content of a copper liquor so as to control the strength of the copper liquor. The system includes a sensor sampling the copper liquor which provides a signal corresponding to the strength of the copper liquor. A network provides reference signals corresponding to an upper limit and a lower limit for the strength of the copper liquor. A comparison circuit compares the copper liquor strength signal with the reference signals and provides a signal corresponding to the comparison. Apparatus controls the addition of air to the copper liquor so as to control the cupric ion content and the cuprous ion content of the copper liquor in accordance with the comparison signal in the comparison circuit.

REFERENCES:
patent: 3512956 (1970-05-01), Holderreed et al.
patent: 3898042 (1975-08-01), Webb et al.
patent: 4053743 (1977-10-01), Niemi
patent: 4055751 (1977-10-01), Bussmann et al.
patent: 4094959 (1978-06-01), Ball et al.
patent: 4096301 (1978-06-01), Slominski et al.

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