As the composition of the activated sludge biophase depends on the treatment process, relevant parameters must be adjusted on the basis of observation to achieve desirable water clarification.

• 镜检中指示性生物的种类数量和菌胶团的形态变化能直接反映处理水质的好坏,但由于采用活性污泥方法处理污水工艺流程不同,则活性污泥中生物相的组成也会有一定的差异。