Process for chemically oxidizing wastewater with reduced sludge

Details Process for chemically oxidizing wastewater with reduced sludge Process for chemically oxidizing wastewater with reduced sludge

1998-06-29

2000-11-07

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210715, 210717, 210721, 210724, C02F 172

Patent

active

061431826

ABSTRACT:
A process to purify wastewater by chemical oxidation is disclosed. The purification is carried out in a fluidized bed of a suitable particulate carrier upon which the iron(III) compound produced by Fenton's reaction crystallizes or coats, thereby reducing the sludge content of effluent over 50%. In addition, the fluidized bed improves the COD removal by way of thoroughly mixing the wastewater with adding agents.

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patent: 4997573 (1991-03-01), Browne
patent: 5538636 (1996-07-01), Gnann et al.
patent: 5635073 (1997-06-01), Aktor et al.
patent: 5770091 (1998-06-01), Binot et al.
patent: 5800717 (1998-09-01), Ramsay et al.

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