Xu Zheng-Yong, Zeng Guang-Ming, Yang Zhao-Hui, Xiao Yong, Cao Ming, Sun Hong-Song, Ji Li-Li, Chen Ying
College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China.
Bioresour Technol. 2010 Jan;101(1):79-86. doi: 10.1016/j.biortech.2009.07.082. Epub 2009 Aug 21.
A biological treatment with the integration of partial nitrification, anaerobic ammonium oxidation (Anammox) and heterotrophic denitrification was successfully developed in a SBR with periodical air supply to treat landfill leachate. An operating temperature of 30+/-1 degrees C and a dissolved oxygen concentration within 1.0-1.5 mg/L were maintained in the SBR. First, the mixture of Anammox biomass and aerobic activated sludge (80% w/w) were inoculated, and inorganic synthetic wastewater with progressively increased N-loading was added. The activities of maximum aerobic ammonium oxidizing and anaerobic ammonium oxidizing reached 0.79 and 0.18(kg NH(4)(+)-N/kg(dw)/day) after the inoculation lasting 86 days, respectively. Secondly, an unexpected group of heterotrophic denitrifying bacteria was inoculated into the reactor along with the feeding of raw landfill leachate, and the final maximum activities of aerobic ammonium oxidizing, anaerobic ammonium oxidizing and denitrification reached 2.83 (kg NH(4)(+)-N/kg(dw)/day), 0.65 (kg NH(4)(+)-N/kg(dw)/day) and 0.11 (kg NO(3)(-)-N/kg(dw)/day), respectively.
在一个采用定期曝气的序批式反应器（SBR）中，成功开发了一种结合部分硝化、厌氧氨氧化（Anammox）和异养反硝化的生物处理工艺来处理垃圾渗滤液。SBR内维持30±1℃的运行温度和1.0 - 1.5mg/L的溶解氧浓度。首先，接种Anammox生物质和好氧活性污泥的混合物（80% w/w），并添加氮负荷逐渐增加的无机合成废水。接种持续86天后，最大好氧氨氧化和厌氧氨氧化活性分别达到0.79和0.18（kg NH₄⁺-N/kg(dw)/天）。其次，随着原垃圾渗滤液的进料，将一组意外的异养反硝化细菌接种到反应器中，最终好氧氨氧化、厌氧氨氧化和反硝化的最大活性分别达到2.83（kg NH₄⁺-N/kg(dw)/天）、0.65（kg NH₄⁺-N/kg(dw)/天）和0.11（kg NO₃⁻-N/kg(dw)/天）。
