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磷酸钙盐结晶除磷工艺性能研究

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陈小光, 张萌, 厉帅, 蒋演, 郑平. 磷酸钙盐结晶除磷工艺性能研究[J]. 环境工程学报, 2013, 7(7): 2552-2556.
引用本文: 陈小光, 张萌, 厉帅, 蒋演, 郑平. 磷酸钙盐结晶除磷工艺性能研究[J]. 环境工程学报, 2013, 7(7): 2552-2556.
shu
Chen Xiaoguang, Zhang Meng, Li Shuai, Jiang Yan, Zheng Ping. Performance of calcium phosphates crystallization process for phosphorus removal[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2552-2556.
Citation: Chen Xiaoguang, Zhang Meng, Li Shuai, Jiang Yan, Zheng Ping. Performance of calcium phosphates crystallization process for phosphorus removal[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2552-2556.
shu

磷酸钙盐结晶除磷工艺性能研究

  • 1.

    东华大学环境科学与工程学院, 上海 201620

  • 2.

    浙江大学环境工程系, 杭州 310029

  • 基金项目:

    国家青年科学基金资助项目(51208087)

    上海自然科学基金资助项目(12ZR1400800)

    教育部新教师基金项目(20120075120001)

  • 中图分类号: X703

Performance of calcium phosphates crystallization process for phosphorus removal

  • 1.

    College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China

  • 2.

    Department of Environmental Engineering, Zhejiang University, Hangzhou 310029, China

  • Fund Project:

  • 摘要: 研究了主要工艺条件pH和Ca/P对磷酸钙盐结晶除磷工艺性能的影响。通过分批实验,建立了磷去除率与pH之间的指数函数关系以及磷去除率与Ca/P之间的对数函数关系。连续运试表明,在pH=9.0、Ca/P=2的条件下,磷酸钙盐结晶除磷反应器的容积负荷为1.10 kg P/(m3·d),磷去除率为51%。灵敏度分析表明,pH对磷去除率的影响大于Ca/P,将Ca/P提高至6,容积负荷提高至1.60 kg P/(m3·d),磷去除率提高至74.3%;将pH提高至10.0,容积负荷提高至1.80 kg P/(m3·d),磷去除率提高至83.5%。工艺操作上可选pH作为优先控制对象。
    Abstract: The impact of two main parameters, pH and Ca/P, on phosphorus removal for performance of calcium phosphate crystallization process was researched. The exponential or logarithm function between phosphorus removal efficiency (PRE) and pH or Ca/P were established, respectively. The results showed that the volumetric loading rate (VLR) and PRE were 1.10 kg P/(m3·d) and 51%, respectively when pH=9.0 and Ca/P=2. For PRE, the sensitivity of pH was greater than that of Ca/P. When Ca/P increased to 6, the VLR and PRE reached 1.60 kg P/(m3·d) and 74.3%, respectively. While pH increased to 10.0, the VLR and PRE could reach 1.80 kg P/(m3·d) and 83.5%, respectively. From sensitivity analysis and experimental results, controlling pH was the the first choice and adjusting Ca/P was the second consideration in optimizing the process operations.
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出版历程
  • 收稿日期:  2013-04-01
  • 刊出日期:  2013-07-18
陈小光, 张萌, 厉帅, 蒋演, 郑平. 磷酸钙盐结晶除磷工艺性能研究[J]. 环境工程学报, 2013, 7(7): 2552-2556.
引用本文: 陈小光, 张萌, 厉帅, 蒋演, 郑平. 磷酸钙盐结晶除磷工艺性能研究[J]. 环境工程学报, 2013, 7(7): 2552-2556.
shu
Chen Xiaoguang, Zhang Meng, Li Shuai, Jiang Yan, Zheng Ping. Performance of calcium phosphates crystallization process for phosphorus removal[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2552-2556.
Citation: Chen Xiaoguang, Zhang Meng, Li Shuai, Jiang Yan, Zheng Ping. Performance of calcium phosphates crystallization process for phosphorus removal[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2552-2556.
shu

磷酸钙盐结晶除磷工艺性能研究

  • 1. 东华大学环境科学与工程学院, 上海 201620
  • 2. 浙江大学环境工程系, 杭州 310029
  • 收稿日期:  2013-04-01
基金项目:

国家青年科学基金资助项目(51208087)

上海自然科学基金资助项目(12ZR1400800)

教育部新教师基金项目(20120075120001)

摘要: 研究了主要工艺条件pH和Ca/P对磷酸钙盐结晶除磷工艺性能的影响。通过分批实验,建立了磷去除率与pH之间的指数函数关系以及磷去除率与Ca/P之间的对数函数关系。连续运试表明,在pH=9.0、Ca/P=2的条件下,磷酸钙盐结晶除磷反应器的容积负荷为1.10 kg P/(m3·d),磷去除率为51%。灵敏度分析表明,pH对磷去除率的影响大于Ca/P,将Ca/P提高至6,容积负荷提高至1.60 kg P/(m3·d),磷去除率提高至74.3%;将pH提高至10.0,容积负荷提高至1.80 kg P/(m3·d),磷去除率提高至83.5%。工艺操作上可选pH作为优先控制对象。

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