In a cell of biofilm reactor for whole-run nitrification, chlorine was added to achieve the selective inhibition to two kinds of bacteria in nitrification.

• 摘要以稳定运行的全程硝化的生物膜反应器的一个反应单元为研究对象，通过外加氯实现对硝化反应中两类细菌的选择性抑制。