System for sustained release of phenolic material from porous gr

Details System for sustained release of phenolic material from porous gr System for sustained release of phenolic material from porous gr

1975-10-17

1977-11-15

Bascomb, Jr., Wilbur L.

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

Within flow line or flow line connected closed casing

B01D 2506

Patent

active

040584623

ABSTRACT:
A system for sustained release of phenolic material into a fluid from phenolic complexes of water-insoluble, but water-swellable crosslinked N-vinyllactam or N-alkyl-N-vinylamide polymers in the form of porous beads or granules. The complexes, which are particularly suited for use in situations wherein fluids containing phenolic materials in limited quantities are desired, and are provided by leaching a limited amount of phenolic material from the complex by contacting the porous granules in a container, such as in a canister or column which is used to treat liquids or water.

REFERENCES:
patent: 2341429 (1944-02-01), Elsey
patent: 2773601 (1956-12-01), Keller et al.
patent: 3914187 (1975-10-01), Fein et al.

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