College of Chemical Engineering, China University of Petroleum, Qingdao 266580, China.
Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China.
Bioresour Technol. 2017 Nov;243:1237-1240. doi: 10.1016/j.biortech.2017.07.030. Epub 2017 Jul 8.
The nitrite accumulation in handling nitrate and sulfide-laden wastewater in a continuous-flow upflow anaerobic sludge blanket reactor was studied. At sulfide/nitrate-nitrogen ratio of 1:0.76 and loading rates of 1.2kg-Smd and 0.4kg-Nmd, the elemental sulfur and nitrite accumulation rates peaked at 90% and 70%, respectively, with Acrobacter, Azoarcus and Thauera presenting the functional strains in the studied reactor. The accumulated nitrite was proposed a promising feedstock for anaerobic ammonia oxidation process. An integrated partial autotrophic denitrification-anaerobic ammonia oxidation-aeration process for handling the ammonia and sulfide-laden wastewaters is proposed for further studies.
研究了连续流上流式厌氧污泥床反应器处理含硝酸盐和硫化物废水时的亚硝酸盐积累情况。在硫化物/硝酸盐氮比为 1:0.76 和 1.2kg-Smd 和 0.4kg-Nmd 的负荷率下，元素硫和亚硝酸盐的积累率分别达到了 90%和 70%，其中研究中的功能菌是食酸菌属、固氮弧菌属和陶厄氏菌属。积累的亚硝酸盐被提议作为厌氧氨氧化过程的有前途的原料。提出了一种集成的部分自养反硝化-厌氧氨氧化-曝气工艺，用于进一步处理含氨和硫化物的废水。
