Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Patent
1992-09-30
1998-03-24
Lovering, Richard D.
Liquid purification or separation
Processes
Preventing, decreasing, or delaying precipitation,...
134 38, 210697, 210698, 210712, 210727, 210735, 210930, 252180, 252356, C02F 156
Patent
active
057308810
ABSTRACT:
An improved method for treating over-sprayed, solvent-based paints which comprises adding an effective amount of a chelating agent to the circulating water of a paint spray booth, thereby improving the dispersibillty of solvent-based paints, particularly in high-hardness waters.
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Calgon Corporation
Lovering Richard D.
Mitchell William C.
Montgomery Mark A.
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