Chemistry: physical processes – Physical processes – Crystallization
Patent
1976-01-29
1976-12-07
Bascomb, Jr., Wilbur L.
Chemistry: physical processes
Physical processes
Crystallization
23273R, 23301, B01D 902
Patent
active
039960188
ABSTRACT:
Crystals are grown in a column through which a supersaturated solution flows upwardly while large crystals having one dimension substantially greater than another dimension taken from the bottom of the column are fractured externally of the column and the fractured particles are returned to the upper end of the column where fines are separated from larger seed type particles.
REFERENCES:
patent: 1559703 (1925-11-01), Howard
patent: 1845742 (1932-02-01), Cocksedge
patent: 3391003 (1968-07-01), Armstrong et al.
patent: 3510266 (1970-05-01), Midler, Jr.
patent: 3642534 (1972-02-01), De Cremoux
patent: 3748103 (1973-07-01), Bean et al.
Bascomb, Jr. Wilbur L.
Hollander Barry I.
Merck & Co. , Inc.
Nicholson William H.
Westlake, Jr. Harry E.
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