Continous production of sodium silicate solutions

Details Continous production of sodium silicate solutions Continous production of sodium silicate solutions

1985-06-24

1987-06-30

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Responsive to liquid level

422113, 422140, 422145, 422147, 422227, 422230, 422234, 423332, B01F 502, B01J 810

Patent

active

046769536

ABSTRACT:
An apparatus for the continuous production of clear sodium silicate solution with an SiO.sub.2 :Na.sub.2 O weight ratio of 1-2.8:1 by fusing sand in aqueous sodium hydroxide using a pressure-sealed circulating suspension reactor having an upper portion comprising a partially tapered gravity thickener and a lower portion comprising a cylindrical jet loop mixer. The jet loop mixer has a concentric cylindrical insertion tube suspended therein, and a recirculating power jet nozzle is upwardly directed through the bottom of the jet loop mixer so that its stream is directed into the lower end of the insertion tube, causing a continuous circulation flow.

REFERENCES:
patent: 2606144 (1952-08-01), Leffer
patent: 2789034 (1957-04-01), Swaine et al.
patent: 2885272 (1959-05-01), Kimberlin, Jr. et al.
patent: 3290241 (1966-12-01), Wickham et al.
patent: 3884645 (1975-05-01), Kinne
patent: 4371501 (1983-02-01), Vickers
Chemical Abstract 99:40620c--Videnin S. A., et al.

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