Membranes with preselected pore types for separation processes

Details Membranes with preselected pore types for separation processes Membranes with preselected pore types for separation processes

1978-06-06

1981-04-14

Spear, Jr., Frank A.

Liquid purification or separation

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55 16, 210502, 210510, 264 297, 264 44, B01D 3920

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active

042618320

ABSTRACT:
A membrane having a preselected pore type which is suited for separating processes comprising a shaped body formed by heating a mixture of finely ground carbonaceous material with a binder composed of about 5 to 20% by weight natural or synthetic elastomer or a mixture of both and of about 1 to 20% by weight of thermoplastic material to about 400.degree. to 1400.degree. C. in an inert atmosphere at a rate of temperature increase between 0.1.degree. and 10.degree. C./min. The membranes are useful for a wide range of selective chemical and physical separation operations of different materials.

REFERENCES:
patent: 1988478 (1935-01-01), Broadwell et al.
patent: 3158532 (1964-11-01), Pall et al.
patent: 3351495 (1967-11-01), Larsen et al.
patent: 3375933 (1968-04-01), Rodman
patent: 3814642 (1974-06-01), Araki et al.

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