高负荷厌氧氨氧化的稳定性试验研究

为探讨高负荷条件下复合式UASB反应器中厌氧氨氧化反应的脱氮性能和稳定性,在已经成功启动并稳定运行的厌氧氨氧化反应器中,通过提高进水总氮浓度和缩短水力停留时间两种方式提高总氮负荷,考察脱氮效果。结果表明,通过逐步提高进水总氮浓度和缩短HRT可以提高厌氧氨氧化反应的总氮负荷,并获得理想的脱氮效果和运行稳定性,但过高的亚硝态氮浓度会对反应产生一定的抑制作用。

Research on stability test of high load anaerobic ammonia oxidation

In order to discuss the nitrogen removal performance and stability of anaerobic ammonia oxidation reaction under high load condition in compound UASB reactor, in has been successfully start and stably operation of anaerobic ammonia oxidation reactor, by improving influent total nitrogen concentration and shortening hydraulic retention time two ways increased the total nitrogen load, researched the nitrogen removal effect. The results showed that, by increasing the influent total nitrogen concentration and shortening HRT could improve the total nitrogen load of anae- robic ammonia oxidation reaction, and obtained ideal nitrogen removal efficiency and operation stability, but exorbitant nitrite nitrogen concentra- tion had certain inhibition effect to reaction production.