This paper made a study of the variety regulation of pathogens in the activated sludge through biological fermentation using Aspergillus niger as zymophyte.

采用黑曲霉为发活性污泥进行全程无公害处理并各种病原菌的生长变化进行监测。明病原菌总量在发过程中呈"马鞍型"变化。