Liquid purification or separation – Constituent mixture variation responsive
Patent
1993-01-26
1995-02-28
Ball, Michael W.
Liquid purification or separation
Constituent mixture variation responsive
210143, 210167, 210269, 2041808, 205 99, 118602, 118400, 118429, B01J 4702, B05D 118, B05D 714
Patent
active
053934164
ABSTRACT:
An automated system is disclosed for providing at least periodic removal of metal ions from a chemical complex and contaminants from a chemical bath. The chemical bath is a latex solution containing charged latex particles and having an acidic pH to form a coating by autodeposition, the charged particles tending to coagulate when subjected to a high shear circulation. The system uses an ion exchange column containing an iminodiacetate ion exchange resin for removal of the metal ion contaminants. The chemical bath is passed through the ion exchange column at a low velocity to prevent coagulation of the latex particles. Conductivity measurement devices and controllers are used to automate the operation of the system. Also, additional sensors, such as pressure and level sensors, controllers, filters, circulation pumps and tanks are used for performing rinsing and regeneration of the ion exchange column.
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Kozak William G.
Topping Joseph C.
Ball Michael W.
Henkel Corporation
Jaeschke Wayne C.
Lorin Francis J.
Szoke Ernest G.
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