5、,theSS≤70mg·L-1;theoil≤10mg·L-1;pH=6-9.TheprocessofoilseparatorflotationandUASBthree-phaseseparatorandcombinedwithbiologicalcontactoxidationtreatmentprocesswasadoptedfordispose of oilindustry.Thespecificprocesswasasfollows:SewageoilseparatorregulatingpoolUASBthree-phaseseparat