1、保障社区的生活环境卫生，避免污染物及生活污水在居住环境的扩散。

1, to ensure the living environment of the community, and to avoid the diffusion of pollutants and domestic sewage 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田肥料。

3, the temporary storage of sludge, organic sludge for anaerobic degradation, the ripe organic sludge can be used as fertilizer for farmland.

4、生活污水的预处理也就是所谓的一级处理，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, the pretreatment of domestic sewage is also known as the first level treatment, which precipitates impurities and hydrolysates macromolecules and organic acids, such as acids and alcohols, and improves the subsequent sewage treatment.