Effect of pretreatment to the formation of cake layer and membrane structure in the application of ultra filtration cross-flow Membrane for the treatment of oil-water emulsion waste - Notodarmojo, Suprihanto; 1Departemen Teknik Lingkungan Fakultas Teknik Sipil dan Perencanaan, Institut Teknologi Bandung, Jl. Ganesha No.10, Labtek IXc, Bandung 40132 (ITB Journal Publisher, LPPM ITB, 2013)