Gel drying via treatment with organic liquid below gas stream

Details Gel drying via treatment with organic liquid below gas stream Gel drying via treatment with organic liquid below gas stream

1981-08-31

1986-04-08

Miller, Edward A.

Compositions

Radioactive compositions

In form of sol solution or gel

2523157, 34 36, 34 37, B01J 1300, G21C 1946, F26B 300

Patent

active

045811644

ABSTRACT:
The present invention relates to the treatment of gel materials to remove water therefrom. The invention provides a process for removing water from a gel material by contacting the gel material with an organic liquid and contacting the organic liquid with a gas such that water is taken up by the gas. The invention, in one embodiment, may be used to dry gel materials while maintaining an open porous network therein.

REFERENCES:
patent: 2503913 (1950-04-01), Kimberlin et al.
patent: 2506316 (1950-05-01), Pierce
patent: 2746935 (1956-05-01), Weisz
patent: 3048929 (1962-08-01), Kremen et al.
patent: 3056728 (1962-10-01), Ohtaki
patent: 4085518 (1978-04-01), Jackson et al.
patent: 4140771 (1979-02-01), Berard
patent: 4202793 (1980-05-01), Bezzi
patent: 4218430 (1980-08-01), Biggerstaff
patent: 4323381 (1982-04-01), Matsuyama
patent: 4349456 (1982-09-01), Sowman
patent: 4389385 (1983-06-01), Ramsay

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