C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/16
C02F 3/02 (2006.01) B01F 3/04 (2006.01) C02F 3/12 (2006.01) C02F 3/20 (2006.01) B01F 15/00 (2006.01)
Patent
CA 1182227
ABSTRACT OF THE DISCLOSURE A treatment of refinery waste water is disclosed. The treatment avoids the formation of sludge, thus avoiding the problems of disposing of the sludge. The process com- prises the steps of vigorously mixing and aerating the effluent to maintain waste material present in the effluent in suspension such that minimum flocculation of waste material occurs, continuing the mixing and aerating step for a sufficient period of time such that oxygen reduction of a substantial portion of the waste material in the effluent occurs, and passing the mixed and aerated effluent to at least one settling basin for a sufficient retention time for oxygen reduction or oxidation of substantially all the remaining portion of the waste material to occur.
390086
Fetherstonhaugh & Co.
Hume Frank C.
LandOfFree
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