Liquid purification or separation – Processes – Treatment by living organism
Patent
1989-09-27
1991-04-09
Wyse, Tom
Liquid purification or separation
Processes
Treatment by living organism
210621, 210631, C02F 306
Patent
active
050062514
ABSTRACT:
A process for treating organic waste water in which a first step provided the stage precedent to a second step using an aerobic filter bed employs an upward flow type solid-liquid separator packed with a filter medium, with the SS (suspended solids) removal at the preceding stage being performed at a high SS removal rate and in a short time.
REFERENCES:
patent: 3928190 (1975-12-01), Bebin
patent: 4053396 (1977-10-01), Trense et al.
patent: 4568463 (1986-02-01), Klein
patent: 4743376 (1988-05-01), Elmaleh et al.
Itoh Takashi
Okubo Yasuhiro
Takeishi Kazuo
Director General, Public Works Research Institute, Ministry of
Nishihara Environmental Sanitation Research Corporation Limited
Wyse Tom
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