Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1995-05-15
1996-09-10
McCarthy, Neil
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210724, 210743, 210930, 427353, C02F 152
Patent
active
055542964
ABSTRACT:
Methods for purifying aqueous waste streams containing a water reducible paint composition and equipment systems capable of conducting such methods are provided. In general terms the methods can be practiced by first providing an aqueous waste stream comprising a minor amount of a water reducible paint composition. This aqueous waste stream will commonly have a water content of at least 95 percent by weight. An acid, preferably sulfuric acid, is then admixed with the aqueous waste stream to form a suspension comprising water and precipitated paint compounds. Following the precipitation step a portion of the precipitated paint compounds are separated from the water.
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Crown Cork & Seal Company, Inc.
McCarthy Neil
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