3.集美大学,厦门市滨海城市污染控制与生态建设重点实验室,厦门 361021
1.School of Food and Biological Engineering, Jimei University, Xiamen 361021, China
2.School of Harbour and Environmental Engineering, Jimei University, Xiamen 361021, China
3.Municipal Key Laboratory of Pollution Control and Ecological Construction of Coastal City, Jimei University, Xiamen 361021, China
为了解决高盐废水生物脱氮效能低的问题,利用异养硝化型曝气生物滤池(heterotrophic nitrification biological aeration filter,HNBAF)处理不同氮源模拟高盐废水,研究了HNBAF系统的脱氮性能,并采用
-N之间均可以相互转化。
In order to solve the problem that the efficiency of biological nitrogen removal from high salinity wastewater is poor, a biological aeration filter system capable of heterotrophic nitrification (HNBAF) was used to treat simulated high salinity wastewater with different nitrogen source. Nitrogen removal performance of the HNBAF system was studied, and the corresponding gaseous products(N
N isotope tracer method to reveal the denitrification pathway of the HNBAF system. The results showed when NH
-N was detected.
-N. When KNO
-N were all low. Both
served as the N-resource, respectively. The removal of
OH-N by the HNBAF system mainly included nitrification, aerobic denitrification and assimilation, and the main pathway of nitrogen removal was
. Meanwhile, both the conversions between NH
-N occurred.
.
-N as the sole N-source
OH-N addition on nitrogen removal of HNBAF system
-N addition on nitrogen removal of HNBAF system
-N addition on nitrogen removal of HNBAF system
-N as the sole N-source
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