B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/26 (2006.01) B01D 21/01 (2006.01) C02F 1/56 (2006.01)
Patent
CA 2689716
A coagulant for removing or extracting a large amount or volume of organic acid in wastewater at high speed, a water-soluble polymer 6 having an amino group is added into the wastewater containing the organic acid 5 therein, thereby producing an ionic bond 7 built up with the organic acid 5 and the water-soluble polymer 6 having an amino group. Next, with addition of a water-soluble polymer 8 having carboxyl group, an ionic bond 9 is built up with the carboxyl group of the water-soluble polymer 8 having carboxyl group and the amino group of water-soluble polymer 6 having an amino group. With this, the organic acid is precipitated as an aggregate 10. The aggregate 10 trapping the organic acid is separated when it passes through a filtering tank.
Isogami Hisashi
Mochizuki Akira
Sasaki Hiroshi
Hitachi Plant Technologies Ltd.
Kirby Eades Gale Baker
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