Process for water treatment by flocculation

Details Process for water treatment by flocculation Process for water treatment by flocculation

1980-09-17

1982-12-14

Wyse, Thomas G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210730, 435104, C02F 154

Patent

active

043637337

ABSTRACT:
A water treatment process is provided wherein water of a pH in the range of about 6 to 9 is treated with a flocculating agent, most preferably, an iron or aluminum comprising flocculating agent, and a flocculation additive comprising a heteropolysaccharide generated by the action of bacteria of the genus Xanthomonas or Arthrobacter, or fungi of the genus Sclerotium. The flocculating agent is added initially to the water, with the heteropolysaccharide comprising flocculation additive being added subsequent thereto. The process finds particular utility in the purification of potable waters.

REFERENCES:
patent: 3208526 (1965-09-01), Patton et al.
patent: 3342732 (1967-09-01), Goetz
patent: 3346463 (1967-10-01), Goren
patent: 3406114 (1968-10-01), Goren

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