Marine Biochemical Sewage Treatment System Renovation Design
In recent years,some offshore oil drilling platforms have mostly adopted biochemical methods to treat domestic sewage,and the treated water quality has reached the IMO standard discharge.However,in practical applications,due to the large number of people during the transformation of the platform and the aging of the equipment,the short-term domestic sewage volume exceeds the actual capacity of the domestic sewage treatment device,resulting in the risk of exceeding the standard discharge.In view of this situation,this paper explores the upgrading and renovation of the biochemical domestic sewage treatment device that has been running for 7 years on a platform.By adding a three-stage buffer tank for domestic sewage and adding an air explosion and air lifting device,the curtain filter membrane of the original configuration is upgraded to a plate membrane,which effectively improves the stability and standard level of the discharged water quality of the domestic sewage system.
offshore platformbiochemical methodexplosive gasplate filmpetrochemical industry