Divalent silver oxide bactericides

Details Divalent silver oxide bactericides Divalent silver oxide bactericides

1991-05-09

1992-03-24

Wyse, Thomas

Liquid purification or separation

Processes

Chemical treatment

210764, 210765, 422 28, 422905, C02F 150

Patent

active

050985825

ABSTRACT:
Divalent silver oxide provides a source for divalent bactericidal silver ions in the presence of persulfate. This oxide is especially effective when applied to water used in industrial cooling towers, hot tubs and swimming pools and conforms to stringent EPA requirements of 100% kills of 100K/cc Streptococcus faecalis within 10 minutes. The oxide also can be used in water with exceptionally high salt content without halide curdy precipitate formation and will not stain the skin of users who may inadvertently be exposed to it.

REFERENCES:
patent: 1557234 (1925-10-01), Bechhold
patent: 2508602 (1950-05-01), Goetz
patent: 2521713 (1950-09-01), Goetz
patent: 4092245 (1978-05-01), Franks et al.
patent: 4492618 (1985-01-01), Eder
patent: 4749537 (1988-06-01), Gautschi et al.

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