| 摘要 |
1347755 Removal of oil pollution AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE 19 April 1971 [3 March 1970] 22948/71 Heading C1C Oil is removed from an aqueous medium in which it is dissolved or emulsified by contact with an ion exchange resin having oleophilic properties imparted thereto by organic cations or anions fixed thereon. Suitable oleophilic groups include CH 2 (CH 2 ) 11 P y <SP>+</SP>, CH 3 (CH 2 ) 15 Py<SP>+</SP> and CH 2 (CH 2 ) 11 OSO 3 <SP>-</SP>, Py representing pyridine, and suitable resins to which they are attached include sulphonated styrene/divinyl benzene copolymer and styrene/divinyl benzene copolymer having -N<SP>+</SP>(CH 3 ) 3 Cl<SP>-</SP> groups attached thereto. |
