TY - JOUR A1 - Tu, Q A1 - Lu, M A1 - Knothe, G T1 - Glycerolysis with crude glycerin as an alternative pretreatment for biodiesel production from grease trap waste: Parametrictudy and energy analysis Y1 - 2017/09/20 N1 - SU836038 N1 - SU835291 VL - 162 SP - 504 EP - 511 ER - TY - JOUR T1 - A solvent-free approach to extract the lipid fraction from sewer grease for biodiesel production. Y1 - 2016// N1 - SU835291 JF - WASTE MANAGEMENT J1 - WASTE MANAGE VL - 54 SP - 126 EP - 130. ER -