B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 36/00 (2006.01) B01D 15/00 (2006.01) B01D 17/00 (2006.01) B01D 17/02 (2006.01) B01D 21/00 (2006.01) B01D 35/28 (2006.01) B01D 61/02 (2006.01) B01D 61/04 (2006.01) B01D 61/14 (2006.01) B01D 61/16 (2006.01) B01D 63/16 (2006.01) B01D 65/08 (2006.01) C02F 1/32 (2006.01) C02F 1/44 (2006.01) C02F 9/00 (2006.01) C02F 1/78 (2006.01)
Patent
CA 2138055
The present invention provides a method of treating wastewater containing particulate matter and free oil, which method comprises removing free oil from the wastewater, passing the wastewater through a first filtration medium having an effective pore rating of about 200 µm or less, subjecting the wastewater to dynamic filtration utilizing a second filtration medium having an effective pore rating of about 5 µm or less, and contacting the wastewater with an adsorbent bed to form a purified water stream. The present invention also provides an apparatus which can be used to carry out the present inventive method.
Gingrich Dana E.
Miller John D.
White Donald H. Jr.
Marks & Clerk
Pall Corporation
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