5、phaseseparatorandcombinedwithbiologicalcontactoxidationtreatmentprocesswasadoptedfordispose of oilindustry.Thespecificprocesswasasfollows:SewageoilseparatorregulatingpoolUASBthree-phaseseparatorbio-oxidationpondsedimentationtankdisinfectiontankcleanwatergrilleflotationtankregulatingpoolInaddition,