生物流化床反应器处理含氟高氮废水的试验研究
Experimental Study on Treatment of Fluoride- and High-Nitrogen Wastewater by Biological Fluidized Bed Reactor
摘要: 采用小试规模的圆柱形生物流化床反应器对含氟高氮工业废水进行处理,载体采用粒径为8~30目,比重1.2的悬浮载体颗粒。通过控制系统温度、溶解氧、pH、水力停留时间等敏感因子,考察生物流化床在连续运行过程中对COD、NH3-N、TN去除效果的稳定性和效率性。结果表明:为保证COD、NH3-N、TN均保持较高的去除率,该流化床反应器最佳运行条件HRT范围为6~12 h,温度20℃~25℃,溶解氧2 mg/L~3.5 mg/L,pH值5.8~7.8。
Abstract: A small-scale cylindrical biological fluidized bed reactor was used to treat industrial wastewater containing high levels of fluoride and nitrogen. The carrier was a suspended carrier particle with a particle size of 8~30 mesh and a specific gravity of 1.2. The stability and efficiency of the biological fluidized bed in removing COD, NH3-N, and TN were investigated during continuous operation by controlling sensitive factors such as system temperature, dissolved oxygen, pH, and hydraulic retention time (HRT). The results showed that to ensure high removal rates of COD, NH3-N, and TN, the optimal operating conditions for the fluidized bed reactor were: HRT range of 6~12 h, temperature of 20˚C~25˚C, dissolved oxygen of 2 mg/L~3.5 mg/L, and pH of 5.8~7.8.
文章引用:蒋雨, 黄乐庭, 潘建平. 生物流化床反应器处理含氟高氮废水的试验研究[J]. 水污染及处理, 2026, 14(2): 70-79. https://doi.org/10.12677/wpt.2026.142008

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