5、ree-phaseseparatorandcombinedwithbiologicalcontactoxidationtreatmentprocesswasadoptedfordispose of oilindustry.Thespecificprocesswasasfollows:SewageoilseparatorregulatingpoolUASBthree-phaseseparatorbio-oxidationpondsedimentationtankdisinfectiontankcleanwatergrilleflotationtankregulatingpoolInaddi