C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/74 (2006.01) C02F 1/28 (2006.01) C02F 3/12 (2006.01)
Patent
CA 2095804
DN 2476 COMBINED METALS AND CARBONACEOUS COMPONENTS REMOVAL IN A BIOPHYSICAL TREATMENT SYSTEM ABSTRACT A combined metals and carbonaceous component removal process for contaminated wastewater is disclosed. An iron salt is added to the aeration basin of an aerobic biophysical treatment process which contains biological solids and powdered adsorbent. The iron removes metals contaminants by coprecipitation and the metals precipitate remains with the solids in the system. The biological organisms and powdered adsorbent remove carbonaceous pollutants and the system effluent has a low content of both carbonaceous and metals contaminants.
Berrigan John K. Jr.
Deets Timothy A.
Macrae & Co.
Zimpro Passavant Environmental Systems
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