Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1990-06-12
1991-10-15
Hruskoci, Peter
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
210744, 210746, 210 961, 210139, 210206, 210764, 210696, 422 7, G05D 1108, G05D 1113, C02F 150
Patent
active
050572296
ABSTRACT:
A process and an apparatus are disclosed for the monitoring and treatment of circulating water of open circulation systems, preferably in cooling tower circulation systems, in which at least one partial minor stream is continuously diverted from the main circulating water supply and directed through a compact module in which, in an automatic sequence, the pH value of the partial stream is measured and adjusted by the addition of any necessary acid, the conductivity of the partial stream is measured, preferably inductively, and an elutriation unit is activated to drain excessively conductive water, corrosion inhibitor is added to the partial stream in dependence upon the quantity of fresh water added to the circulating water, organic and/or inorganic biocides can be added and the partial stream is filtered and returned continuously to the main circulating water supply.
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patent: 4631530 (1986-12-01), Gasper
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Schulenburg Michael
Walter Dietmar
Grandmaison Real J.
Henkel Kommanditgesellschaft auf Aktien
Hruskoci Peter
Jaeschke Wayne C.
Shideler Krisanne
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