EGSB—SBR集成工艺同步耦合脱氮及甲烷化研究

发布时间：2018-06-01 22:13

本文选题：EGSB—SBR集成工艺 + 厌氧氨氧化　；参考：《中国给水排水》2016年21期

【摘要】：采用集成间歇膨胀颗粒污泥床(EGSB)与亚硝化型间歇式活性污泥反应器(SBR)构建具有同步厌氧氨氧化、甲烷化与反硝化功能的耦合系统,并对EGSB—SBR集成工艺的运行特性及参数进行了研究。结果表明,经过99 d的驯化培养,EGSB—SBR集成工艺成功启动;提高侧流比对COD的去除率影响较小,但会提高对氨氮和TN的去除率,亚硝酸盐积累率也随之升高;在侧流比相似的情况下,提高进水氨氮浓度对系统整体影响较小,但会提高SBR反应器的亚硝酸盐积累率。当进水COD为4 300 mg/L左右、氨氮为80~200 mg/L、侧流比为57%时,集成工艺对污染物的去除效果最好,对COD的去除率达到98%以上,对氨氮的去除率达到72%以上,对TN的去除率达到41%以上。
[Abstract]:A coupling system with simultaneous anaerobic ammonia oxidation, methanation and denitrification was constructed by using the integrated batch bulking granular sludge bed (EGSBB) and the nitrosated batch activated sludge reactor (SBR). The operation characteristics and parameters of EGSB-SBR integrated process are also studied. The results showed that the integrated process of EGSB-SBR was successfully started after 99 days of acclimation, and the removal rate of COD was less affected by increasing the side flow ratio, but the removal rate of ammonia nitrogen and TN was increased, and the accumulation rate of nitrite was also increased. When the side flow ratio is similar, increasing the influent ammonia nitrogen concentration has little effect on the whole system, but it will increase the nitrite accumulation rate of the SBR reactor. When the influent COD is about 4 300 mg/L, the ammonia nitrogen is 80 ~ 200 mg / L and the side flow ratio is 57, the integrated process has the best removal efficiency of pollutants, the removal rate of COD is over 98%, the removal rate of ammonia nitrogen is over 72%, and the removal rate of TN is more than 41%.
【作者单位】：中原工学院能源与环境学院;河北工程大学城市建设学院;
【基金】：河南省科技攻关计划项目(142102210521)
【分类号】：X703

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