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工业规模硝化系统抑制后生物强化恢复策略可行性分析

袁宏林,  温俊伟,  邢保山,  韩宇乐,  曹思凡,  马静,  王晓昌

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文章导航 > 环境工程  > 2020 >  38(6): 132-136,201
楼朝刚, 夏东升, 赵帆, 吕继良, 曾庆福. 微波无极紫外光对自来水中微生物的灭活作用[J]. 环境工程, 2008, 26(3): 10-12. doi: 10.13205/j.hjgc.200803002
引用本文: 袁宏林, 温俊伟, 邢保山, 韩宇乐, 曹思凡, 马静, 王晓昌. 工业规模硝化系统抑制后生物强化恢复策略可行性分析[J]. 环境工程, 2020, 38(6): 132-136,201. doi: 10.13205/j.hjgc.202006021
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YUAN Hong-lin, WEN Jun-wei, XING Bao-shan, HAN Yu-le, CAO Si-fan, MA Jing, WANG Xiao-chang. RECOVERY STRATEGY OF SEQUENTIAL BIOCATALYST ADDITION AFTER INHIBITION OF FULL-SCALE NITRIFICATION SYSTEMS: A FEASIBILITY STUDY[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(6): 132-136,201. doi: 10.13205/j.hjgc.202006021
Citation: YUAN Hong-lin, WEN Jun-wei, XING Bao-shan, HAN Yu-le, CAO Si-fan, MA Jing, WANG Xiao-chang. RECOVERY STRATEGY OF SEQUENTIAL BIOCATALYST ADDITION AFTER INHIBITION OF FULL-SCALE NITRIFICATION SYSTEMS: A FEASIBILITY STUDY[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(6): 132-136,201. doi: 10.13205/j.hjgc.202006021
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工业规模硝化系统抑制后生物强化恢复策略可行性分析

doi: 10.13205/j.hjgc.202006021

  • 西安建筑科技大学 环境与市政工程学院, 西北水资源与环境生态教育部重点实验室, 国家城市非传统水资源开发利用国际科技合作基地, 陕西省污水处理与资源化工程技术研究中心, 陕西省环境工程重点实验室, 西安 710055

基金项目: 

国家自然科学基金项目(51608430)。

详细信息
    作者简介:

    袁宏林(1965-),男,博士,教授,主要研究方向为污水处理理论与技术。hlyuan@xauat.edu.cn

    通讯作者:

    袁宏林(1965-),男,博士,教授,主要研究方向为污水处理理论与技术。hlyuan@xauat.edu.cn

RECOVERY STRATEGY OF SEQUENTIAL BIOCATALYST ADDITION AFTER INHIBITION OF FULL-SCALE NITRIFICATION SYSTEMS: A FEASIBILITY STUDY

  • Key Laboratary of Environmental Engineering, Shaanxi Province;Engineering Technology Research Center for Wastewater Treatment and Reuse, Shaanxi Province;International Science & Technology Cooperation Center for Urban Alternative Water Resources Development;Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education;School of Environmental & Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China

摘要

    摘要
  • 摘要: 针对长期抑制且通过常规调控方式难以恢复的工业规模硝化系统,探究菌群流加策略进行快速恢复的可行性及实施过程中存在的关键问题。采取小试试验和工业规模试验结合的方式,投加高效硝化菌,测定出水中氨氮、硝氮、亚硝氮、COD、碱度和总酚的浓度,同时进行镜检,分析其中原后生动物的变化情况。结果表明:投加硝化菌的试验组出水中氨氮浓度均显著降低,原后生动物逐渐显现。针对实际煤化工废水,硝化系统进水总酚浓度宜控制在10 mg/L以下,工业规模硝化系统可以实现长期稳定运行。根据实验结果,小试可以作为菌群流加恢复策略可行性的初步参考依据;准确识别工业规模硝化系统失稳原因或抑制物种类是实现其快速恢复的关键;在常规调控方式的基础上,最大限度的降低抑制物浓度,采用菌群流加恢复策略能够较快的建立硝化反应,进而实现工业规模硝化系统的快速恢复。
    Abstract: The recovery strategy of sequential biocatalyst addition and the key points during the implementation of bio-augmentation strategy was investigated to rapid recovery of full-scale nitrification system with long-term inhibition in this study, which was difficult to recover through conventional regulations. The concentrations of ammonia, nitrate, nitrous, COD, alkalinity and total phenol were determined after adding high-efficient nitrifying bacteria in the lab-scale and full-scale experiments. Meanwhile, microscopic examination was carried out to analyze the changes of protometazoan animals. The results shown that ammonia concentration decreased significantly and the proto-metazoan animals appeared gradually after adding nitrifying bacteria. For the treatment of real coal chemical wastewater, the full-scale nitrification system can be realized long-term stable operation with the influent total phenol concentration lower than 10 mg/L. According to results, lab-scale experiment can be used as a preliminary reference for the feasibility of the bio-augmentation strategy. Accurate identification of the instability reasons or the inhibitors in full-scale nitrification system was the key point for the rapid recovery of the full-scale nitrification system. Through maximum extent to reduce inhibitor concentration, the nitrification reaction can be established quickly, and then the full-scale nitrification system also realized by using the recovery strategy of sequential biocatalyst addition basis on the conventional regulations.
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  • 收稿日期:  2019-07-31

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