Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1980-06-19
1981-12-29
Castel, Benoit
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
210614, 210 961, 210921, C03B 104
Patent
active
043081509
ABSTRACT:
In a waterworks system wherein a plurality of zones are coupled by pipes, each of the zones including one purification plant and at least one service reservoir for supplying consumers with clear water fed from the purification plant;
REFERENCES:
patent: 2379554 (1945-07-01), Tyler
patent: 3211167 (1965-10-01), Clift et al.
patent: 3478884 (1969-11-01), McPherson et al.
Perkins P. R.; "An Introduction to Computers in Process Control", found in, Progress in Water Technology; vol. 6 pp. 424-431 (1974).
Wells B. W.; "An Application Study of Computer Control for Sewage Treatment" in Progress in Water Technology; vol. 6 pp. 405-416 (1974).
Matsumoto Kuniaki
Miyaoka Shinichiro
Onari Mikihiko
Tachi Nihei
Castel Benoit
Hitachi , Ltd.
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