C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/54
C02F 1/44 (2006.01) C02F 1/52 (2006.01) C02F 1/66 (2006.01) C02F 9/00 (2006.01)
Patent
CA 1115437
PROCESS FOR TREATING WASTE WATER Abstract of the Disclosure A purification process for waste water from a textile plant and other manufacturing processes. After preliminary filtering to remove foreign particles, the waste water is treated with a reducing agent, if needed, and the pH adjusted to 8.0-9.5. The waste water is then treated with a flocculating agent. After further treatment in a clarifier, the waste water is passed through a sand filter to remove any residual suspended solids. The pH is adjusted to below about 6.0 and the waste water is then subjected to reverse osmosis.
322735
Anewalt Robert
Johnson Earl W.
Kring Harry J.
Reider Malcolm J.
Gerber Products Company
Macrae & Co.
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