Chemistry: physical processes – Physical processes – Crystallization
Patent
1974-01-15
1976-06-01
Bascomb, Jr., Wilbur L.
Chemistry: physical processes
Physical processes
Crystallization
156623Q, 23290, B01D 902, B01J 1704
Patent
active
039605019
ABSTRACT:
An apparatus for growing crystals from hydrothermal solutions comprises a vertically extending autoclave having a crystallization zone in its top portion and a dissolution zone in its bottom portion. The autoclave is surrounded by a heat insulation layer, is provided with a system of heating elements and is enclosed in a thermostatically controlled chamber which is divided into vertically extending sections. Each section is provided with a heating and thermostatic control system so as to ensure the maintenance of constant and different temperature values in each section required to create and maintain the desired temperature fields in the crystallization and dissolution zones of the autoclave.
REFERENCES:
patent: 1746144 (1930-02-01), Christopher
patent: 2604385 (1952-07-01), Chambers
patent: 2895812 (1959-07-01), Kohman
patent: 3013867 (1961-12-01), Sawyer
patent: 3051558 (1962-08-01), Jost
patent: 3253893 (1966-05-01), Sawyer
patent: 3271114 (1966-09-01), Kolb
Butuzov Vladimir Petrovich
Feldman Ernst Borisovich
Gordienko Leonid Alexandrovich
Khadzhi Valentin Evstafievich
Shaposhnikov Anatoly Alexandrovich
Bascomb, Jr. Wilbur L.
Emery S. J.
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