C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/12
C02F 3/04 (2006.01) C02F 3/12 (2006.01)
Patent
CA 1180138
ABSTRACT A process is disclosed for treating wastewaters with a powdered adsorbent and one or more fixed media filters, wherein biological oxidation occurs. The adsorbent is optionally regenerated and reused. In multistage operation, adsorbent is contacted with wastewater in stagewise countercurrent flow, through each fixed media filter and subsequent clarifier, or through clarifier only.
391617
Erickson Allen H.
Teletzke Gerald H.
Fetherstonhaugh & Co.
Sterling Drug Inc.
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