B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
362/9, 182/93
B01D 24/28 (2006.01) C02F 3/08 (2006.01) C02F 3/12 (2006.01) C02F 3/22 (2006.01) C02F 3/28 (2006.01) C02F 11/12 (2006.01)
Patent
CA 2033165
2033165 9014313 PCTABS00002 A method and apparatus for purifying contaminated water using a filtering medium, which is directed to preventing effectively clogging of the filtering medium. This object can be accomplished by forming water streams inside circulation passages divided and defined in a purification tank by water stream forming means, circulating the filtering medium inside the purification tank by the water streams and peeling off the sludge from the filtering medium by utilizing the orderly circulation without diffusing the sludge inside the purification tank as a whole.
Chikatsu Nirasawa
Isamu Iwai
Iwai Isamu
Nirasawa Chikatsu
Chikatsu Nirasawa
Gowling Lafleur Henderson Llp
Isamu Iwai
Iwai Isamu
Nirasawa Chikatsu
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