Liquid purification or separation – Recirculation – Serially connected distinct treating or storage units
Patent
1993-08-30
1995-03-21
Dawson, Robert A.
Liquid purification or separation
Recirculation
Serially connected distinct treating or storage units
210202, 2102212, 210295, 210313, 210322, 2105121, B01D 3602, B01D 17035, B01D 2126
Patent
active
053992628
ABSTRACT:
A machine coolant recycling system has a holding tank in which machine coolant to be recycled is accumulated. The machine coolant in the holding tank is continuously filtered for a predetermined period of time and the surface of the machine coolant is continuously skimmed to remove undesired contaminants therefrom. The machine coolant from the holding tank is supplied to a centrifuge where it is centrifuged and is then pumped to a blending tank where it is chemically tested and reconstituted to its original composition. The machine coolant is then again continuously filtered until it is needed.
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Carder Kenneth H.
Hawkins Marvin W.
Dawson Robert A.
Fisher Controls International Inc.
Reifsnyder David
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