Process for treating waste water

Details Process for treating waste water Process for treating waste water

1989-10-18

1990-10-30

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210716, 210723, 210908, C02F 152

Patent

active

049667149

ABSTRACT:
A process is disclosed for treating waste water which comprises the steps of adding thermal decomposition product consisting of CaO-MgO-SiO.sub.2 system compound singly or in combination with at least a metal salt selected from the group consisting of iron salts and magnesium salts to waste water containing an emulsion or a latex, thereby causing coagulation and sedimentation of particles consisting mainly of resin existing in the waste water and then removing the coagulated particles.

REFERENCES:
patent: 3446731 (1969-05-01), Harsh
patent: 4564464 (1986-01-01), Harpel et al.
patent: 4707270 (1987-11-01), Kobayashi et al.
patent: 4765908 (1988-08-01), Monick et al.

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