Liquid purification or separation – Processes – Treatment by living organism
Patent
1986-03-27
1987-06-23
Castel, Benoit
Liquid purification or separation
Processes
Treatment by living organism
210711, 210713, 210631, C02F 308, C02F 152
Patent
active
046751122
ABSTRACT:
In the process for the purification of water by flocculation, a porous granular material is used as a decantation accelerator and is preferably constituted by pyroclasts which can act as a substrate for a bacterial growth which achieves biological purification together with the chemico-physical purification of the flocculation.
REFERENCES:
patent: 3855120 (1974-12-01), Garbo
patent: 4009099 (1977-02-01), Jeris
patent: 4167479 (1979-09-01), Besik
patent: 4482458 (1984-11-01), Rovel et al.
patent: 4534864 (1985-08-01), Rigouard
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