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絮凝法回收印染废水中的聚乙烯醇

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张玥, 王辉, 李朗晨. 絮凝法回收印染废水中的聚乙烯醇[J]. 环境工程学报, 2013, 7(3): 810-814.
引用本文: 张玥, 王辉, 李朗晨. 絮凝法回收印染废水中的聚乙烯醇[J]. 环境工程学报, 2013, 7(3): 810-814.
shu
Zhang Yue, Wang Hui, Li Langchen. Recovery of polyvinyl alcohol from dyeing wastewater by flocculation method[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 810-814.
Citation: Zhang Yue, Wang Hui, Li Langchen. Recovery of polyvinyl alcohol from dyeing wastewater by flocculation method[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 810-814.
shu

絮凝法回收印染废水中的聚乙烯醇

  • 1.

    中国海洋大学材料科学与工程研究院,青岛 266100

  • 基金项目:

    国家自然科学基金资助项目(51203143)

    青岛市科技发展计划项目(12-1-4-1-(27)-jch)

    中国海洋大学青年教师基金(201213002)

  • 中图分类号: X703

Recovery of polyvinyl alcohol from dyeing wastewater by flocculation method

  • 1.

    Institute of Materials Science and Engineering, Ocean University of China, Qingdao 266100, China

  • Fund Project:

摘要

  • 摘要: 采用絮凝法以硼酸为絮凝剂,硫酸同氢氧化钠反应形成的硫酸钠为盐析剂,对含聚乙烯醇的印染废水进行回收处理。通过检测絮凝后溶液中聚乙烯醇含量分析了硼酸投加量、硫酸投加量、温度和pH值等因素对其回收率的影响。结果表明,当硼酸投加量为0.5 g,硫酸投加量为5 mL,pH值为9,温度为50℃时,聚乙烯醇的回收率可达98.6%,且COD去除率为93%。
    Abstract: The recovery of polyvinyl alcohol (PVA) from dyeing wastewater by flocculation method is investigated. The obtained sodium sulfate through acid alkali relation was used as salt agent. The boric acid was used as flocculation agent. The influencing factors of PVA recovery were analyzed through the detection of PVA content in flocculation solution. Optimal conditions of the recovery were as follows: boric acid dosage of 0.5 g, sulfuric acid of 5 mL, pH value of 9, and temperature of 50℃. PVA recovery rate is as high as 98.6% and the COD elimination rate is 93% under the optimal conditions.
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出版历程
  • 收稿日期:  2012-02-24
  • 刊出日期:  2013-03-18
张玥, 王辉, 李朗晨. 絮凝法回收印染废水中的聚乙烯醇[J]. 环境工程学报, 2013, 7(3): 810-814.
引用本文: 张玥, 王辉, 李朗晨. 絮凝法回收印染废水中的聚乙烯醇[J]. 环境工程学报, 2013, 7(3): 810-814.
shu
Zhang Yue, Wang Hui, Li Langchen. Recovery of polyvinyl alcohol from dyeing wastewater by flocculation method[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 810-814.
Citation: Zhang Yue, Wang Hui, Li Langchen. Recovery of polyvinyl alcohol from dyeing wastewater by flocculation method[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 810-814.
shu

絮凝法回收印染废水中的聚乙烯醇

  • 1. 中国海洋大学材料科学与工程研究院,青岛 266100
  • 收稿日期:  2012-02-24
基金项目:

国家自然科学基金资助项目(51203143)

青岛市科技发展计划项目(12-1-4-1-(27)-jch)

中国海洋大学青年教师基金(201213002)

摘要: 采用絮凝法以硼酸为絮凝剂,硫酸同氢氧化钠反应形成的硫酸钠为盐析剂,对含聚乙烯醇的印染废水进行回收处理。通过检测絮凝后溶液中聚乙烯醇含量分析了硼酸投加量、硫酸投加量、温度和pH值等因素对其回收率的影响。结果表明,当硼酸投加量为0.5 g,硫酸投加量为5 mL,pH值为9,温度为50℃时,聚乙烯醇的回收率可达98.6%,且COD去除率为93%。

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