Crystallization apparatus and process

Details Crystallization apparatus and process Crystallization apparatus and process

1977-09-28

1979-06-26

Bernstein, Hiram H.

Chemistry: physical processes

Physical processes

Crystallization

422245, B01D 902

Patent

active

041591941

ABSTRACT:
A crystallization apparatus and process especially useful for the continuous regeneration of metal processing solutions, such as copper etchants, where direct recovery of metal values in the form of large crystals of high solids content is achieved and fouling of heat exchange surfaces is obviated by a scouring action obtained through addition of preformed crystals to the heat exchange zone.

REFERENCES:
patent: 3298796 (1967-01-01), Weele et al.
patent: 3615246 (1971-10-01), Lindstrom
patent: 3743705 (1973-07-01), Sumner
patent: 4004886 (1977-01-01), Thijssen et al.
patent: 4056364 (1977-11-01), Dmitrovsky et al.

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