1. Membrane processing of oily streams, wastewater treatment and waste reduction;Cheryan;J. Membr. Sci.,1998
2. Treatment of oily waters using vermiculite;Mysore;Water Res.,2005
3. CONCAWE, Trends in oil discharged with aqueous effluents from oil refineries in Europe 2005 and 2008 survey data, Report no. 2/11, March 2011, p. 17. (accessed 05.10.11).
4. Review of technologies for oil and gas produced water treatment;Fakhru’l-Razi;J. Hazard. Mater.,2009
5. B.D. Ferro, M. Smith, Global onshore and offshore water production, 2007. (accessed 06.07.11).