The number and group of bacteria in the denitrified samples and the distribution of denitrified bacteria at the denitrified stage from Shanghai Coking Plant have been studied.

• 对焦化废水反硝化段的试样进行了细菌数量及菌相分析研究,对反硝化细菌在反硝化段生态环境中的分布进行了探讨。