Paint spray booth treatment program for waterborne and/or solven

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

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Details

210728, 210730, 210734, 210930, C02F 152, C02F 154

Patent

active

056607342

ABSTRACT:
Methods of treating circulating water containing oversprayed waterborne and/or solventborne paint, such as in a paint spray booth operation with copolymer of lignosulfonate and a cationic monomer subunit with Na.sub.2 CO.sub.3 and/or NaOH. The method does not require the use of metal salts or silicates.

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patent: 4861491 (1989-08-01), Svensson
patent: 5034136 (1991-07-01), Cody et al.
patent: 5073205 (1991-12-01), Morse
patent: 5076939 (1991-12-01), Hunter et al.
patent: 5250189 (1993-10-01), Rey
patent: 5250191 (1993-10-01), Cory et al.

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