Research progress on advanced treatment of municipal sewage by sulfur autotrophic denitrification
The mechanisms of sulfur autotrophic denitrification were systematically introduced,including the characteristics of microbial community and the denitrification function genes,mainly nosZ,nirS and nirK genes.The utilization of conventional fillers for microorganism and the preparation of new fillers were also introduced.The application of sulfur autotrophic denitrification technology in urban sewage treatment was summarized.In the future,microbial growth characteristics can be used to further optimize the reaction conditions,enhance the efficiency of sulfur autotrophic denitrification,and carry out research and develop-ment of new biological fillers.It is aimed to provide reference for the practical application of sulfur auto-trophic denitrification.
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