Membrane device for filtration, separation, or catalytic reactio

Details Membrane device for filtration, separation, or catalytic reactio Membrane device for filtration, separation, or catalytic reactio

1991-02-14

1992-09-01

Spear, Frank

Liquid purification or separation

Casing divided by membrane into sections having inlet

Membrane secured with adhesive of specified composition

210450, 21050025, 21050026, B01D 7104

Patent

active

051436140

ABSTRACT:
A membrane device comprising a macroporous block of sintered material with the pores at each end of the block being filled with a porous sintered material, wherein the porous sintered material comprises at least two types of grain: grains of a first type called "frame" grains having a diameter lying in the range about 1% to about 20% of the diameter of the pores in said block; and grains of a second type called "finishing"grains having a diameter lying in the range about 0.2% to about 20% of the diameter of the frame grains, with the finishing grains being received in the pores defined between the frame grains.

REFERENCES:
patent: 3914358 (1975-10-01), Dixon et al.
patent: 4640774 (1987-02-01), Garcera et al.

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