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不同流速下零价铁调控污水管道节点硫转化的影响

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卞爱琴, 远野, 付强, 张璐璐, 周飞, 陈正梁, 陈天明, 王爱杰, 丁成. 不同流速下零价铁调控污水管道节点硫转化的影响[J]. 环境化学, 2020, (1): 148-155. doi: 10.7524/j.issn.0254-6108.2019012801
引用本文: 卞爱琴, 远野, 付强, 张璐璐, 周飞, 陈正梁, 陈天明, 王爱杰, 丁成. 不同流速下零价铁调控污水管道节点硫转化的影响[J]. 环境化学, 2020, (1): 148-155. doi: 10.7524/j.issn.0254-6108.2019012801
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BIAN Aiqin, YUAN Ye, FU Qiang, ZHANG Lulu, ZHOU Fei, CHEN Zhengliang, CHEN Tianming, WANG Aijie, DING Cheng. Regulation of sulfur transformation of point source in sewage by zero-valent-iron under different flow rates[J]. Environmental Chemistry, 2020, (1): 148-155. doi: 10.7524/j.issn.0254-6108.2019012801
Citation: BIAN Aiqin, YUAN Ye, FU Qiang, ZHANG Lulu, ZHOU Fei, CHEN Zhengliang, CHEN Tianming, WANG Aijie, DING Cheng. Regulation of sulfur transformation of point source in sewage by zero-valent-iron under different flow rates[J]. Environmental Chemistry, 2020, (1): 148-155. doi: 10.7524/j.issn.0254-6108.2019012801
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不同流速下零价铁调控污水管道节点硫转化的影响

  • 1. 江苏大学环境与安全工程学院, 镇江, 212013;

  • 2. 盐城工学院环境科学与工程学院, 盐城, 224051;

  • 3. 中国科学院生态环境研究中心, 环境生物技术重点实验室, 北京, 100085;

  • 4. 江苏科易达环保科技有限公司, 盐城, 224007

    • 通讯作者: 远野, E-mail: yuanye_19840915@163.com ;  丁成, E-mail: ycdingc@163.com
  • 基金项目:

    国家自然科学基金（51608467）资助.

Regulation of sulfur transformation of point source in sewage by zero-valent-iron under different flow rates

  • 1. Jiangsu University, School of the Environment and Safety Engineering, Zhenjiang, 212013, China;

  • 2. Yancheng Institute of Technology, College of Environmental Science and Engineering, Yancheng, 224051, China;

  • 3. Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China;

  • 4. Jiangsu Keyida Environmental Science and Technology Co. LTD., Yancheng, 224007, China

    • Corresponding authors: YUAN Ye, yuanye_19840915@163.com ;  DING Cheng, ycdingc@163.com
  • Fund Project: Supported by the Natural Science Foundation of China (51608467).

  • 摘要: 研究了不同污水流速下，各粒径零价铁（ZVI）对实际污水中硫化物（S2-）和硫化氢（H2S）浓度以及pH值的影响，并考察了不同污水流速下各粒径ZVI的损失量和消耗量.结果表明，当污水流速为0.2 m·s-1和0.6 m·s-1时，ZVI粒径越小，S2-和H2S的去除效果越好，其中R3-ZVI对S2-和H2S的控制效果最好，但其损失量和消耗量最高且pH偏高（分别为8.5和8.3），而R2-ZVI对S2-和H2S的控制效果与R3-ZVI接近且pH适中（分别为8.1和8.0），当污水流速提高至1.2 m·s-1时，R2-ZVI对S2-和H2S的控制效果最好且pH值适中（7.9），而R3-ZVI的损失量和消耗量因受水流速度影响而显著增加，从而导致其对S2-和H2S的控制效果降低，综合考虑，采用R2-ZVI控制污水中的S2-和H2S产生更经济有效.
    Abstract: Effects of zero valent iron (ZVI) with different particle sizes on sulfide (S2-) and hydrogen sulfide (H2S) concentrations and pH in actual sewage under different flow rates were studied. The loss and consumption of ZVI with different particle sizes under different flow rates were also investigated. The results indicated that smaller particle size ZVI produced better removal efficiency of S2- and H2S under the flow rates of 0.2 m·s-1 and 0.6 m·s-1. The control effect of R3-ZVI on S2- and H2S was optimal, but the loss and consumption of R3-ZVI were the highest and the pH was higher (8.5 and 8.3 respectively). However, the control effect of R2-ZVI on S2- and H2S was close to that of R3-ZVI and the pH was moderate (8.1 and 8.0 respectively) under the flow rates of 0.2 m·s-1 and 0.6 m·s-1. The control effect of R2-ZVI on S2- and H2S was optimal and the pH (7.9) was moderate under the flow rates of 1.2 m·s-1. However, the loss and consumption of R3-ZVI increased significantly due to the influence of flow velocity, which resulted in the decrease of control effect on S2- and H2S. Considering comprehensively, it was more economical and effective to use R2-ZVI to control the production of S2- and H2S in sewage.
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  • 收稿日期:  2019-01-28
  • 刊出日期:  2020-01-01

不同流速下零价铁调控污水管道节点硫转化的影响

    通讯作者: 远野, E-mail: yuanye_19840915@163.com ;  丁成, E-mail: ycdingc@163.com
  • 1. 江苏大学环境与安全工程学院, 镇江, 212013;
  • 2. 盐城工学院环境科学与工程学院, 盐城, 224051;
  • 3. 中国科学院生态环境研究中心, 环境生物技术重点实验室, 北京, 100085;
  • 4. 江苏科易达环保科技有限公司, 盐城, 224007
  • 收稿日期:  2019-01-28
  • 网络出版日期:  2020-01-01
基金项目:

国家自然科学基金（51608467）资助.

摘要: 研究了不同污水流速下，各粒径零价铁（ZVI）对实际污水中硫化物（S2-）和硫化氢（H2S）浓度以及pH值的影响，并考察了不同污水流速下各粒径ZVI的损失量和消耗量.结果表明，当污水流速为0.2 m·s-1和0.6 m·s-1时，ZVI粒径越小，S2-和H2S的去除效果越好，其中R3-ZVI对S2-和H2S的控制效果最好，但其损失量和消耗量最高且pH偏高（分别为8.5和8.3），而R2-ZVI对S2-和H2S的控制效果与R3-ZVI接近且pH适中（分别为8.1和8.0），当污水流速提高至1.2 m·s-1时，R2-ZVI对S2-和H2S的控制效果最好且pH值适中（7.9），而R3-ZVI的损失量和消耗量因受水流速度影响而显著增加，从而导致其对S2-和H2S的控制效果降低，综合考虑，采用R2-ZVI控制污水中的S2-和H2S产生更经济有效.

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