Simultaneous separation and degradation of surfactants laden in produced water using PVDF/TiO2 photocatalytic membrane by Rawindran, Hemamalini, Lim, Jun-Wei, Goh, Pei-Sean, Subramaniam, Mahesan Naidu, Ismail, Ahmad Fauzi, Nik M. Daud, Nik M.Radi, Arzhandi, M. Rezaei-Dasht