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Title: Composition and method for cleaning drinking water tanks

Abstract: A composition and method for cleaning tanks for drinking water, particularly for removing deposits consisting mainly of an agglomerate of algae, microorganisms and ochre sediments. The composition is an aqueous solution comprising about 3 to 6% of ascobic acid, 2 to 3% of formic acid, 7 to 10% of phosphoric acid, 1 to 3% of citric acid, 13 to 15% of hydrochloric acid and 10 to 15% of an aqueous isopropyl alcohol (all % by weight). The method involves spraying said aqueous solution under pressure onto the deposits.


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Inventors: Walzer, Michael (Landsberg, DE, US)

Application Number: 917653
Filing Date: 1978-06-21
Publication_date: 1980-04-22
Assignee: Feldmann Chemie (DE)
Primary Class(es): 510/234 134/3, 134/24, 134/34, 134/41, 252/175, 252/180, 252/181, 510/253, 510/383, 510/402, 510/421, 510/434, 510/466, 510/488, 510/500, 510/504
Other Classes:
US Patent Ref:
3424688Jan, 1969Boiko et al.252/87.
3458354Jun, 1969Reich134/3.

Other Refs:
Primary Examiner: Weinblatt, Mayer
Assistant Examiner:
Attorney: Craig and Antonelli