Method for cleaning the surface of swimming pools

Details Method for cleaning the surface of swimming pools Method for cleaning the surface of swimming pools

1983-06-01

1984-05-29

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210169, 210729, C02F 152, C02F 154

Patent

active

044513798

ABSTRACT:
A method for removing leaves, pieces of bark, surface scum and debris from a swimming pool, fountain or other impounded body of water comprises forming on the surface of the water in the pool an approximately monomolecular film of a nonionic autophobic liquid organic material having an HLB number of 10 of less, a boiling point of 170.degree. C. or higher and a bulk viscosity less than 1000 centistokes under conditions of use, which film pushes leaves, solids, semisolids, surface scum and debris to a preselected region of the pool, fountain or impounded body of water and compacts the foreign matter for easy removal.

REFERENCES:
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patent: 3085850 (1963-04-01), Egan
patent: 3139402 (1964-06-01), Armbrust
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patent: 4198720 (1980-04-01), Matsumoto
Garrett & Barger, "Factors Affecting the Use of Monomolecular Surface Films to Control Oil Pollution on Water", Environmental Science & Technology, vol. 4, Feb. 1970, pp. 123-127.
"The Atlas HLB System", Atlas Chemical Industries Inc., (4th Printing), 1963.

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