SEWAGE DISPOSAL APPARATUS ENHANCING PURIFYING EFFICIENCY OF SEWAGE

摘要

PURPOSE: Provided is a sewage treatment system for drastically increasing sewage treatment efficiency. CONSTITUTION: The system comprises a first sedimentation zone(11), a second sedimentation zone(13), a first contact aeration zone(15) with a contact filter(7) therein, a second contact aeration zone(17) with a contact filter(7) therein, and a final clarifier(19) which is arranged between a sewage inlet(3) and a treated water outlet(5), and a filtration device(50) installed in the final clarifier(19) and connected to the treatment water outlet(5), wherein the filtration device(50) comprises a vessel filled with illite and a support for supporting the vessel in the clarifier(19).