Patent · US Expired

Method of treating swimming pool water

US6139756A · kind A · utility

19Cited by

2References

12Claims

0Family size

Assignee

Degussa-Huels AG · DE

Inventors

Rainer Fuchs · Halver, DE
Michael Huss · Eschborn, DE

Key dates

Filing date	Dec 6, 1999
Grant date	Oct 31, 2000
Priority date	—
Expiry date	Dec 6, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2103/42
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A method of treating water for a swimming pool comprising chlorination of the water, and filtration of the water using a fixed-bed filter with periodic backflushing of the filter using wash water to which a disinfectant has been added. The disinfectant is a peroxycarboxylic acid with one to six carbon atoms is used as disinfectant, preferably a solution containing peroxyacetic acid and/or peroxyformic acid and hydrogen peroxide. The method results in an improvement of the quality of the swimming-pool water and of the used wash water.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.