Process for improving the sedimentation and filtering properties

Details Process for improving the sedimentation and filtering properties Process for improving the sedimentation and filtering properties

1987-06-11

1989-01-03

Hruskoci, Peter

Liquid purification or separation

Processes

Ion exchange or selective sorption

210712, 210723, 210726, 210778, C02F 152

Patent

active

047955643

ABSTRACT:
The invention relates to a process for improving the sedimentation and filtering properties of waste waters and/or slurries and muds containing clay minerals. The waste waters and/or slurries obtained in the various technologies and containing clay minerals and optionally also other solid components are treated with compounds containing ions having a hydrated ionic diameter of from 0.12 to 0.15 nm and a co-ordination number of 12.

REFERENCES:
patent: 2468188 (1949-04-01), Frankenhoff
patent: 3285849 (1966-11-01), Watanabe et al.
patent: 3398093 (1968-08-01), Ferney
patent: 3892640 (1975-07-01), Furuta

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