CPC C02F 1/24 (2013.01) [B03D 1/0043 (2013.01); B03D 1/008 (2013.01); B03D 1/24 (2013.01); C02F 1/68 (2013.01); B03D 1/01 (2013.01); B03D 1/011 (2013.01); B03D 1/012 (2013.01); B03D 1/014 (2013.01); B03D 2201/04 (2013.01); B03D 2203/006 (2013.01); C02F 1/50 (2013.01); C02F 1/5263 (2013.01); C02F 1/547 (2013.01); C02F 1/56 (2013.01); C02F 1/66 (2013.01); C02F 1/683 (2013.01); C02F 1/72 (2013.01); C02F 2101/325 (2013.01); C02F 2305/04 (2013.01)] | 11 Claims |
1. A method of improving multiply charged cations and suspended solids removal by foam fractionation from an aqueous or oil/aqueous phase solution comprising:
adding to said solution an effective amount of associative thickener in the presence of from about 11 to about 60 ppm of a surfactant comprising a sorbitan ester and from 250 ppm to about 5000 ppm of a source of alkalinity comprising an alkali metal hydroxide or an alkali metal carbonate.
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