Sewage treatment method

The invention discloses a sewage treatment method. The sewage treatment method comprises the following treatment steps: (1) grid filtration; (2) flocculation and precipitation; (3) aerobic treatment;(4) treatment with a natural biological pool; (5) filtering; and (6) disinfection treatment. The sewage treatment method provided by the invention can effectively purify the sewage; the whole processflow is simple in equipment and operation and does not need chemical agent, so the method is environment-friendly and safe and has no secondary pollution; and the method purifies the sewage by utilizing the decomposition capability of natural organisms, so purification effect is good, and cost is low. 本发明公开了一种污水处理方法，包括以下处理步骤：(1)格栅过滤；(2)絮凝沉淀；(3)好氧处理；(4)天然生物池；(5)过滤；(6)消毒处理；本发明的污水处理方法能够有效地将污水净化，整个工艺流程设备和操作简单，不需要使用化学药剂，环保安全，不会造成二次污染，且利用天然生物的分解能力对污水进行净化，净化效果好，成本低廉。