Savcor Consulting Oy

Markku Ainali

Martti Pulliainen

Hannu Savisalo

Timo Laurila

Pentti Jarvela

Esko Paakkonen

Method and a device for separating plastic particles from supensions

Plastic particles are separated from liquid mediums having the same distributed therethrough, in particular cellulose and paper fiber-containing mediums by electrolytic separation. The liquid medium is introduced into a container provided with an anode, a cathode and a reference electrode, with the plastic particles being separated from the liquid medium by controlling the potential of the anode and the cathode so that the potential of the anode is at most 2800 mV S.C.E., preferably +1200 to -300 mV S.C.E., and the potential of the cathode is at least -3500 mV S.C.E., preferably from +120 to -2100 mV S.C.E. The control of the potentials of the electrodes is effected to such ranges that gas production is selectively provided on the electrodes for cleaning thereof.

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Vaster.ang.s, Sweden

Markku Ainali