Process for treatment of a liquid containing a nickel cyanide co

Details Process for treatment of a liquid containing a nickel cyanide co Process for treatment of a liquid containing a nickel cyanide co

1981-05-21

1983-09-06

Wyse, Thomas G.

Liquid purification or separation

Processes

Chemical treatment

210766, 210904, C02F 158

Patent

active

044028377

ABSTRACT:
A process for continuous treatment of a liquid containing a nickel cyanide compound which comprises (1) continuously supplying the said liquid containing a water-soluble metal hydroxide in a content of not less than 0.5 mol per mol of the nickel cyanide compound to a continuous reactor through a supply pipe, steam being introduced into the supply pipe so as to heat the said liquid to a temperature of 175.degree. to 200.degree. C., (2) passing the said liquid through the reactor while maintaining the said liquid at the said temperature and (3) discharging from the reactor the liquid having a CN content lower than that of the liquid prior to the supply to the reactor.

REFERENCES:
patent: 2459464 (1949-01-01), Smith
patent: 3394080 (1968-07-01), Hoffman et al.
patent: 3464917 (1969-09-01), Porteous
patent: 3617567 (1971-11-01), Mathre
patent: 3945919 (1976-03-01), Schindewolf
patent: 4042502 (1977-08-01), Schmidt et al.

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