Accurate sewage treatment device and method

• Main Authors: FAN PENGCHAO, LI TONG, JIAO ERLONG, ZHANG RONGBING, HAN JUN, WANG JIAWEI, YUAN XING, JIANG YONG
• Format: Patent
• Language: Chinese; English
• Published: 02.02.2024
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention provides a precise sewage treatment device and method, and relates to the technical field of sewage treatment.The precise sewage treatment device comprises an active primary sedimentation tank, an anaerobic tank, an anoxic tank, an aerobic tank and a secondary sedimentation tank which are sequentially connected, and the inlet end of the active primary sedimentation tank is connected with a water inlet pipeline; a first treatment area and at least one second treatment area are sequentially arranged in the anaerobic tank from front to back, and a first secondary sedimentation area, at least one second secondary sedimentation area and a third secondary sedimentation area are sequentially arranged in the secondary sedimentation tank from front to back; two ends of the first return pipeline are respectively connected with the first secondary sedimentation area and the first treatment area, and two ends of the second return pipeline are respectively connected with the second secondary sedimentation ar