Liquid purification or separation – Processes – Chemical treatment
Patent
1990-03-15
1991-11-19
Hruskoci, Peter
Liquid purification or separation
Processes
Chemical treatment
210169, 210192, C02F 166
Patent
active
050664085
ABSTRACT:
A swimming pool is treated by a mixture of sodium carbonate and cyanuric acid or sodium carbonate alone added in the form of a compacted tablet. The tablet is placed in a leaf skimmer or in a bypass cartridge connected to a swimming pool recirculation pump parallel to a pool filter. The tablet is formed by depositing a mixture of sodium carbonate and water in a vessel and by applying pressure to the mixture.
REFERENCES:
patent: 2980622 (1961-04-01), Symes
patent: 4031090 (1977-06-01), Goldstein et al.
patent: 4087360 (1978-05-01), Faust et al.
patent: 4389318 (1983-06-01), Wojtowicz
patent: 4423216 (1983-12-01), Wojtowicz et al.
Bowen Duane C.
Hruskoci Peter
Shideler Krisanne
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