Apparatus for the removal of heavy metals from acidic...

Details Apparatus for the removal of heavy metals from acidic... Apparatus for the removal of heavy metals from acidic...

2006-05-23

2006-05-23

Lithgow, Thomas M. (Department: 1724)

Liquid purification or separation

With means to add treating material

Directly applied to separator

C210S202000, C210S205000, C210S206000, C210S705000, C210S725000, C210S727000, C210S804000, C210S241000

Reexamination Certificate

active

07048854

ABSTRACT:
An apparatus which uses a process reactor having three separate reaction stages to remove high concentrations of 3000 mg/l heavy metals from acidic wastewater and chemical solutions. During each of three stages the pH level of the wastewater is increased and sludge and flocculate organic and metal hydroxyl matters are removed from the wastewater to provide clean water which is discharged in to a sewer system.

REFERENCES:
patent: 3664951 (1972-05-01), Armstrong
patent: 4743379 (1988-05-01), Sugihara et al.
patent: 5240600 (1993-08-01), Wang et al.
patent: 6635182 (2003-10-01), Coleman, Jr.
patent: 6896815 (2005-05-01), Cort
patent: 56-130293 (1981-10-01), None

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