Device for the diffusion of substances between two fluids via se

Details Device for the diffusion of substances between two fluids via se Device for the diffusion of substances between two fluids via se

1975-03-24

1977-04-05

Spear, Jr., Frank A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

B01D 3100

Patent

active

040160823

ABSTRACT:
A device for diffusing substances between two fluids via semi-permeable diaphragms for dialysis apparatus in general and in particular as so-called artificial kidneys. The diaphragms are disposed in pairs between spacer plates and each plate includes an arrangement of flow-through ducts for the respective fluid connected to inlets and outlets respectively. A first fluid is arranged to be ducted between the diaphragms of each pair and a second fluid is arranged to be ducted outside the diaphragms, the diaphragms forming between them a network of ducts for the first fluid. In order to make it possible to prevent such duct networks having a well defined thickness and volume, the diaphragms are joined together by gluing, heat sealing, or the like within a pattern of spots, lines and/or small areas.

REFERENCES:
patent: 3034505 (1962-05-01), Sobol
patent: 3362540 (1968-01-01), Bluemle, Jr.
patent: 3458048 (1969-07-01), Swehson
patent: 3616927 (1971-11-01), Muir
patent: 3734298 (1973-05-01), Riede et al.

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