Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1998-07-09
1999-11-30
Cintins, Ivars
Liquid purification or separation
Processes
Ion exchange or selective sorption
210686, 210712, 210734, 210196, 210200, 210266, C02F 900
Patent
active
059936630
ABSTRACT:
A liquid filtering system in machine tools which uses, in a recycling circuit, a work tank, a dirty liquid tank, a filter and a clean liquid tank in which water of a very low conductivity is used and adding at least one ferric oxide flocculent based on a polyelectrolyte polymer to the low conductivity water.
REFERENCES:
patent: 3870033 (1975-03-01), Faylor et al.
patent: 3883426 (1975-05-01), Lewandowski et al.
patent: 4046683 (1977-09-01), Tsunoda et al.
patent: 4336129 (1982-06-01), Yoshimura et al.
patent: 4772402 (1988-09-01), Love
patent: 4990260 (1991-02-01), Pisani
Cintins Ivars
Ona Electro-Erosion, S.A.
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