Claims
- 1. A method of removing oils, solids and combinations thereof from an aqueous system which comprises the steps of dispersing within said system an effective coalescing amount of a reagent comprising a copolymer of an acrylic compound and a compound of the formula: ##STR8## wherein R.sub.1 represents H or CH.sub.3 ;
- R.sub.2 represents H or alkyl radicals having from 1 to about 4 carbon atoms;
- R.sub.3 and R.sub.4 each represent an alkyl radical having from 1 to about 6 carbon atoms;
- R.sub.5 represents alkyl, alkenyl, cycloalkyl, alkyl substituted cycloalkyl, aryl, aralkyl, and alkaryl radicals having from 2 to about 18 carbon atoms;
- n represents an integer from 2 to about 6; and
- x represents a negatively charged salt-forming radical to afford aqueous and non-aqueous layers and removing the non-aqueous layer from the aqueous system.
- 2. The method of claim 1 wherein said reagent further includes water.
- 3. The method of claim 1 wherein said reagent further includes an alcohol solvent.
- 4. The method of claim 1 wherein said reagent further includes urea.
- 5. The method of claim 1 wherein said reagent further includes water, urea and a solvent.
Parent Case Info
This application is a continuation of application Ser. No. 868,470, filed May 30, 1986.
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Continuations (1)
|
Number |
Date |
Country |
Parent |
868470 |
May 1986 |
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