Process for the production of a membrane

Details Process for the production of a membrane Process for the production of a membrane

1993-01-27

1994-11-08

Pianalto, Bernard

Coating processes

Immersion or partial immersion

Metal base

427247, 4274432, B05D 118

Patent

active

053625226

ABSTRACT:
Novel membranes comprise crystals of a zeo-type material carried by a porous support. The crystal growth of the zeo-type material is essentially continuous over the pores of the support and the zeo-type material is crystallized directly from and bonds directly to the support. Membranes may be prepared by immersing the support in a synthesis gel, crystallizing the gel, removing the support, and repeating these steps at least once.

REFERENCES:
patent: 3244643 (1966-04-01), Schwartz
patent: 3368981 (1968-02-01), Plank
patent: 3730910 (1973-05-01), Albers
patent: 4199477 (1980-04-01), Hegedus
patent: 4578372 (1986-03-01), Hoving
patent: 4673663 (1987-06-01), Mognier
patent: 4699892 (1987-10-01), Suzuki
patent: 4957890 (1990-09-01), Wieserman et al.
patent: 5019263 (1991-05-01), Haag
Applied Catalysis 49 (1989) 1-25, Armor no month available.

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