Method for crystallizing a substance from a solution

Details Method for crystallizing a substance from a solution Method for crystallizing a substance from a solution

1982-06-02

1985-03-26

Bernstein, Hiram H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

62532, 23299, B01D 902

Patent

active

045072442

ABSTRACT:
In the crystallization of a substance from a solution, in particular the crystallization of fats from a mother liquor containing solvents, the solution is rapidly cooled (I) to a temperature below the crystallization temperature. This supercooled and hence supersaturated solution begins to crystallize only after ca. 60 to 90 seconds, so that during this interval (II) it may be transferred to a retention tank in which crystallization takes place (III). This method may be carried out either quasi-continuously or continuously.

REFERENCES:
patent: 2619421 (1952-11-01), Greenfield
patent: 3628917 (1971-12-01), Nault
patent: 4129583 (1978-12-01), Zondek
patent: 4228089 (1980-10-01), Bischot et al.
patent: 4265826 (1981-05-01), Iida
Mullin, CRC Press 1972, pp. 259, 322-324, Cleveland, Ohio.
G. Matz, Kristallisation, 2,39,53 (1969).

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