Organic wastewater treatment system

The invention relates to an organic wastewater treatment system, which belongs to the technical field of sewage treatment, and comprises an acid precipitation sedimentation tank, a chemical oxidationtank, a coagulative precipitation tank, a biological contact oxidation tank and an RO + DTRO system, which are connected in sequence, wherein a sludge dewatering device is arranged at the bottom of the coagulative precipitation tank. The invention has the advantage that the organic wastewater treatment cost is reduced. 本申请涉及一种有机废水处理系统，属于污水处理技术领域，其包括依次连接设置的酸析沉淀池、化学氧化池、混凝沉淀池、生物接触氧化池和RO+DTRO系统；所述混凝沉淀池的底部设置有污泥脱水装置。本申请具有降低有机废水处理成本的优点。