Method for reducing chemical oxygen demand of water containing o

Details Method for reducing chemical oxygen demand of water containing o Method for reducing chemical oxygen demand of water containing o

1996-12-09

1998-12-29

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210728, 210732, 210737, 210910, C02F 156

Patent

active

058535969

ABSTRACT:
A method for reducing the COD of water containing an emulsion of organic material in water. The emulsion contains insoluble organic material and a surfactant. The COD is reduced by mixing a cationic polymer flocculent with the water and maintaining the temperature at from 37.degree. C. to 95.degree. C. for a sufficient length of time for an organic phase and water with reduced COD to form.

REFERENCES:
patent: 4715962 (1987-12-01), Bhattacharyya et al.
patent: 4961858 (1990-10-01), Spei et al.
patent: 5192448 (1993-03-01), Augustin
patent: 5207922 (1993-05-01), McFarlan
patent: 5523000 (1996-06-01), Falbaum et al.
patent: 5529696 (1996-06-01), Tibbitts

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