Apparatus for growing homogeneous crystals

Details Apparatus for growing homogeneous crystals Apparatus for growing homogeneous crystals

1990-04-20

1992-03-24

Kunemund, Robert

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Crystallizer

422248, 156623Q, 156623R, G30B 710

Patent

active

050986732

ABSTRACT:
In order to prevent crystal seeds with retrograde solubility from dissolving in the hydrothermal growing solution at the beginning of the growing process, and to protect the finished crystal at the end of the growing process, and in order to reach the thermodynamic growth equilibrium as soon as possible, the proposal is put forward that the growing solution be prepared, pre-saturated and pre-heated to a temperature close to saturation temperature outside of the growing tank, and that, for the growing process proper, the hot growing solution be added to the pre-heated growing tank provided with crystal seeds, where it should be further heated to a temperature at which the crystals start growing, and, further, that the hot growing solution be quickly removed from the growing tank as soon as the growing process has been completed.

REFERENCES:
patent: 2459869 (1949-07-01), Christensen et al.
patent: 2647043 (1953-07-01), Imber
patent: 2651566 (1953-09-01), Warner et al.
patent: 2863740 (1958-12-01), Christensen
patent: 4300979 (1981-11-01), Kolb et al.
patent: 4382840 (1983-05-01), Chai et al.

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