Application and Developing Trend in Bio-deodorization in Sewage Plant

WANG Ai-jie, XU Xiao-wen, REN Nan-qi (School of Municipal & Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China)

The application and developing trend of Bio-deodorization in sewage plant were summarized in this paper, which included the composition and characteristics of the odor, the mechanism and process condition of bio-deodorization, and the process characteristic of bio-trickling reactor as well as the key factors affecting the treatment efficiency. The paper presented that bio-trickling reactor is one of the best processes for deodorization in sewage plant due to its simple structure, high removal efficiency, low investment, low running cost, low press and easy control. In addition, the problems and developing orientation in sewage plant with bio-trickling reactor were put forward, including the process optimization, packing material quality improvement, establishment of high efficient microbes for the deodorizing. The necessity in research on deodorizing-microbes was emphasized.