Apparatus for joint particulate recovery and liquid purification

Details Apparatus for joint particulate recovery and liquid purification Apparatus for joint particulate recovery and liquid purification

1980-09-22

1982-07-20

Hruskoci, Peter A.

Liquid purification or separation

Comminuting

210181, 210199, 210206, 210207, 210220, 210243, 204302, B01D 2101

Patent

active

043404731

ABSTRACT:
Apparatus for step-wise purification treatment of contaminated polar liquid, such as water, by the procedure of U.S. Pat. No. 4,224,148, comprising successive flow-connected container units, electrically insulated from the ground, the sequential units providing: (a) macerating/distributing means for producing suspension of selected small-particle-size contaminant which will accept a galvanic charge, (b) means for maintaining acidic pH of 2 to 2.5 in presence of gaseous oxidizing agent, (c) source of soluble metal ions adapted to impart a galvanic charge on the small particles, plus subsequent aeration means, (d) means for introducing alkaline reagent while air blowing to restrain precipitation, (e) means for alkaline flocculation of separable particles, including pH control means and switch means for electrically grounding the liquid medium.

REFERENCES:
patent: 2116053 (1938-05-01), Urbain et al.
patent: 3522173 (1970-07-01), Lindman et al.
patent: 3575853 (1971-04-01), Gaughan et al.
patent: 3575854 (1971-04-01), Richards
patent: 3583910 (1971-06-01), Stoddard
patent: 3586623 (1971-06-01), Kuhn
patent: 3617559 (1971-11-01), Cywin
patent: 3728253 (1973-04-01), Kaufman
patent: 3741890 (1973-06-01), Smith et al.
patent: 3801501 (1974-04-01), Kennedy
patent: 3948774 (1976-04-01), Lindman
patent: 4013557 (1977-03-01), Snodgrass et al.

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