Biocide microencapsulation

Details Biocide microencapsulation Biocide microencapsulation

1991-11-01

1992-11-17

Silverman, Stanley S.

Liquid purification or separation

Processes

Chemical treatment

210764, 210928, 252176, 252180, 422 37, 424408, 424419, 424456, 4284022, 42840224, 514963, 162 29, C02F 150

Patent

active

051640961

ABSTRACT:
Biocide treatment of the water system of a papermaking process comprising the steps of encapsulating the biocide as the core of the capsule in a water suspension, in which the shell is degradable at high water dilution, and introducing the microcapsules into the water stream to undergo dilution release.

REFERENCES:
patent: 4089800 (1978-05-01), Temple
patent: 4107292 (1978-08-01), Nemeth
patent: 4253877 (1981-03-01), Miale et al.
patent: 4277364 (1981-07-01), Shasha et al.
patent: 4285765 (1981-08-01), Pera et al.
patent: 4436719 (1984-03-01), Lindaberry
patent: 4447411 (1984-05-01), Langdon
patent: 4561981 (1985-12-01), Characklis
patent: 4808408 (1989-02-01), Baker et al.

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