Liquid filter device

Details Liquid filter device Liquid filter device

1986-06-17

1988-10-18

Andrews, R. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204275, 204276, C25G 900

Patent

active

047785845

ABSTRACT:
Disclosed is a liquid filter device for effectively eliminating impurities from liquid.
Voltage is applied to liquid to break electrostatic coupling of liquid molecules and impurity molecules. The impurity molecules are electrostatically adsorbed by an electrode containing adsorbent having charges different in polarity from those of the impurity molecules.
Voltage is applied to liquid to break electrostatic coupling of liquid molecules and impurity molecules. Adsorbent having charges different in polarity from those of the impurity molecules on its surface is provided between a pair of electrodes to electrostatically adsorb the impurity molecules. After the impurity molecules are electrostatically adsorbed, the liquid is filtrated by a filter.
Voltage is applied to liquid to eliminate zeta potentials which are potential difference at electric double layers having charges different in polarity from those of impurity particles in interfaces between the impurity particles and the liquid. The impurity particles are electrostatically aggregated, and the liquid is filtrated by a filter.

REFERENCES:
patent: 671946 (1901-04-01), Holland
patent: 838390 (1906-12-01), Dieterich
patent: 3135674 (1964-06-01), Ruetschi
patent: 3180810 (1965-04-01), Pearce et al.
patent: 3457152 (1964-07-01), Maloney et al.
patent: 3977451 (1976-08-01), L-Caciedo
patent: 4350590 (1982-09-01), Robinson
patent: 4592836 (1986-06-01), Chiao
Patents Abstracts of Japan, Apr. 10, 1980, vol. 4/No. 46, "Electrostatic Water Treatment Apparatus".

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