title: Removal of grease and oil by biological treatment processes.
mesh_terms: D001673:Biodegradation, Environmental; D005223:Fats / Q000302:isolation & purification*; D009821:Oils / Q000302:isolation & purification*; D010084:Oxidation-Reduction; D012722:Sewage / Q000032:analysis*; D014877:Water Pollution, Chemical / Q000517:prevention & control*
chemical_list: D005223:Fats; D009821:Oils; D012722:Sewage