Kimura Yuya, Isaka Kazuichi
Infrastructure Systems Company, Hitachi, Ltd., 537 Kami-Hongo, Matsudo, Chiba, 271-0064, Japan,
Appl Microbiol Biotechnol. 2014 Aug;98(16):6965-72. doi: 10.1007/s00253-014-5735-2. Epub 2014 Apr 11.
To facilitate the application of anaerobic ammonium oxidation (anammox) to a nitrogen removal process, the effects of heavy metals (Ni, Cu, Co, Zn, and Mo) on anammox bacteria entrapped in gel carriers were examined by conducting continuous feeding tests for each metal. The results show that all anammox activities decreased by more than 10 % when influent concentrations of Ni, Cu, Co, Zn, and Mo were 5, 5, 5, 10, and 0.2 mg/L, respectively. It was observed that the effects of Ni, Cu, Co, and Zn on anammox activity were reversible and that of Mo on anammox activity was irreversible. Anammox activity was not affected when influent containing mixed Ni, Cu, Co, and Zn (0.5 mg/L) was fed into the reactor.
为促进厌氧氨氧化（anammox）在脱氮过程中的应用，通过对每种金属进行连续进料试验，研究了重金属（镍、铜、钴、锌和钼）对凝胶载体中厌氧氨氧化细菌的影响。结果表明，当镍、铜、钴、锌和钼的进水浓度分别为5、5、5、10和0.2mg/L时，所有厌氧氨氧化活性均下降了10%以上。观察到镍、铜、钴和锌对厌氧氨氧化活性的影响是可逆的，而钼对厌氧氨氧化活性的影响是不可逆的。当向反应器中进料含有混合镍、铜、钴和锌（0.5mg/L）的进水时，厌氧氨氧化活性不受影响。
