Process for the removal of solid deposits from water supply inst

Details Process for the removal of solid deposits from water supply inst Process for the removal of solid deposits from water supply inst

1985-06-04

1989-02-21

Sneed, H. M. S.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 27, 134 41, 134 28, 210696, 210738, 252 80, 1510415, C23G 102

Patent

active

048061697

ABSTRACT:
A process for the removal of solid deposits, especially calcium-, iron-, manganese-containing incrustations and mixtures thereof, from water supply installations wherein an aqueous solution comprising a mineral acid, preferably hydrochloric acid corresponding to a normality of the solution of 0.001 N to 6 N, and hydrogen peroxide in a proportion of 0.05 to 20% by weight of the total solution, is applied to the interior surfaces of the installations by, for example, spraying or rinsing.

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patent: 4009115 (1977-02-01), Binns
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Chemical Abstracts, vol. 89, (1978) p. 219.
Laid Open Japanese Patent Application 55,25754 (Abstract).
Chemical Abstracts, vol. 89 (1978) p. 219.
Vom Wasser, 55 Band (1980) S, 159-177.
Prevention of Scaling and Corrosion of Titanium Alloy Heat Exchanger Tubes, pp. 12-15, Allan et al.
Chemical Abstracts, vol. 89, (1976), p. 110.

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