Process for maintaining a charge of a microporous molded article

Details Process for maintaining a charge of a microporous molded article Process for maintaining a charge of a microporous molded article

1985-03-05

1987-04-21

Sadowski, David

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210643, 210644, B01D 1301

Patent

active

046594736

ABSTRACT:
A process for maintaining a charging medium in a microporous molded article for carrying out material transfer processes is described. A charging medium is supplied or presented to the molded article while the material transfer processes are being carried out. This supply takes place on a part of the surface of the molded article which does not participate in the material transfer process. The molded articles are preferably membranes. The process compensates for a loss of medium in the pores of the molded article without requiring the material transfer process to be interrupted.
An apparatus suitable for carrying out the process is also described.
The process may advantageously be used inter alia for controlled release or slow release processes and processes for facilitated or coupled transport of metal ions.

REFERENCES:
patent: 3228877 (1966-01-01), Mahon
patent: 3566580 (1971-03-01), Li
patent: 3970219 (1976-07-01), Spitzer et al.
patent: 4239506 (1980-12-01), Steigelmann et al.
patent: 4247498 (1981-01-01), Castro
patent: 4437994 (1984-03-01), Baker
patent: 4564373 (1986-01-01), Schmitz et al.

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