Liquid purification or separation – Casing divided by membrane into sections having inlet – Energy recovery from treated liquid
Patent
1978-09-13
1980-04-08
Hart, Charles N.
Liquid purification or separation
Casing divided by membrane into sections having inlet
Energy recovery from treated liquid
210323R, 210461, 204253, B10D 3100
Patent
active
041972066
ABSTRACT:
An ion selective semipermeable membrane such as is used in electrodialysis cell assemblies is fabricated with an unreacted border region of a polymer film which is heat sealable to itself and to other materials of similar composition. Within the border region are sealed two flow port connections to pass ionic process liquid across the face of the membrane. The border regions of one membrane are heat seal bonded at the edge to the border regions of a subsequent membrane in a sequence to form an electrodialysis cell assembly accordion bellows like in configuration. The flow ports communicate with the compartments so formed. Membranes produced by chlorosulfonation of polyethylene are especially suitable for heat sealing.
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Crescenzi et al, "Development of a Simplified Membrane Oxygenator" Trans. Am. Soc. Art. Internal Organs, vol. 5, 1959, p. 148.
Hart Charles N.
Sadowski David R.
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