Treatment of materials

Details Treatment of materials Treatment of materials

1981-08-31

1984-09-18

Lovering, Richard D.

Compositions: ceramic

Ceramic compositions

Pore-forming

2523157, 252635, 264 05, B01J 1300, G21C 2100, C04B 3551, C04B 3500

Patent

active

044725124

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 a gaseous mixture of an organic compound and a gas. The organic compound, the gas and conditions of contacting are selected such that water is extracted from the gel material and passes into the gaseous mixture.
The invention in one embodiment may be used to dry gel materials while maintaining an open porous network therein.

REFERENCES:
patent: 2519622 (1950-08-01), Archibald et al.
patent: 2607482 (1952-08-01), Weisz
patent: 2609925 (1952-09-01), Weisz
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: 4349456 (1982-09-01), Sowman
Winters, U.S. application Ser. No. 05/843,265, filed 10/18/77.

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