化粪池的作用
The role of septic tank
化粪池是基本的污泥处理设施，同时也是生活污水的预处理设施，它的作用表现在：
The septic tank is a basic sludge treatment facility, and it is also a pretreatment facility for domestic sewage.
1、 保障生活社区的环境卫生，避免生活污水及污染物在居住环境的扩散。
1, ensure the environmental sanitation of the living community, and avoid the diffusion of living sewage and pollutants in the living environment.
2、 在化粪池厌氧腐化的工作环境中，杀灭蚊蝇虫卵。
2. In the anaerobic and decadent working environment of the septic tank, the eggs of the mosquitoes are killed and destroyed.
3、 临时性储存污泥，有机污泥进行厌氧腐化，熟化的有机污泥可作为农用肥料。
3, the temporary storage of sludge, organic sludge for anaerobic degradation, the ripe organic sludge can be used as agricultural fertilizer.
4、 生活污水的预处理（一级处理），沉淀杂质，并使大分子有机物水解，成为酸、醇等小分子有机物，改善后续的污水处理。
4, domestic sewage pretreatment (primary treatment), precipitation of impurities, and hydrolysis of macromolecular organic matter, become small molecules such as acids and alcohols, improve the subsequent sewage treatment.