Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Transparent
Patent
1994-06-21
1996-04-09
Drodge, Joseph W.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Transparent
210 85, 210 961, 210143, 210259, 210411, 422 62, B01D 1712
Patent
active
055058434
ABSTRACT:
In a water supply plant which cleans water taken in from such sources of intake water as lakes and marshes, dams, rivers and so on and delivers the water as city water, obstructions to water treatment is predicted and methods for preventing the obstruction are decided, by measuring kinds and quantity of plankton and comparing the measured data with rules representing relations among kinds and quality of plankton, obstructions to water treatment and counteractions to such obstructions stored in a rule base in advance.
REFERENCES:
patent: 5160604 (1992-11-01), Nakamura et al.
patent: 5225333 (1993-07-01), Krause et al.
patent: 5324431 (1994-06-01), Watanabe et al.
"Instrumentation and Automation Systems for Waterworks", Kawabe et al, Published in Toshiba Review--No. 133 (May-Jun. 1981).
Hara Naoki
Kimura Bunchi
Obuchi Misako
Watanabe Shoji
Yahagi Hayao
Drodge Joseph W.
Hitachi , Ltd.
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