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咪唑类季铵盐阳离子絮凝剂的制备及其在炼油厂废水中的应用

耿仁勇 吕雪川 李国轲 焦玉娟 高肖汉 李法云

耿仁勇, 吕雪川, 李国轲, 焦玉娟, 高肖汉, 李法云. 咪唑类季铵盐阳离子絮凝剂的制备及其在炼油厂废水中的应用[J]. 环境科学研究, 2016, 29(3): 427-433.
引用本文: 耿仁勇, 吕雪川, 李国轲, 焦玉娟, 高肖汉, 李法云. 咪唑类季铵盐阳离子絮凝剂的制备及其在炼油厂废水中的应用[J]. 环境科学研究, 2016, 29(3): 427-433.
GENG Renyong, L Xuechuan, LI Guoke, JIAO Yujuan, GAO Xiaohan, LI Fayun. Synthesis of a Novel Quaternary Ammonium Salt Cationic Flocculant and Its Application in the Treatment of Refinery Wastewater[J]. Research of Environmental Sciences, 2016, 29(3): 427-433.
Citation: GENG Renyong, L Xuechuan, LI Guoke, JIAO Yujuan, GAO Xiaohan, LI Fayun. Synthesis of a Novel Quaternary Ammonium Salt Cationic Flocculant and Its Application in the Treatment of Refinery Wastewater[J]. Research of Environmental Sciences, 2016, 29(3): 427-433.

咪唑类季铵盐阳离子絮凝剂的制备及其在炼油厂废水中的应用

基金项目: 国家自然科学基金青年科学基金项目(21003069,21103078)

Synthesis of a Novel Quaternary Ammonium Salt Cationic Flocculant and Its Application in the Treatment of Refinery Wastewater

  • 摘要: 为提高环氧氯丙烷胺类絮凝剂的絮凝性能,以2-甲基咪唑为交联剂,以环氧氯丙烷、二甲胺为原料,制备了新型季铵盐阳离子絮凝剂——MZO,并对其进行红外、核磁表征. 采用MZO对抚顺炼油厂废水进行絮凝除浊试验,并与其他6种改性絮凝剂〔交联剂分别为HMTA(六次甲基四胺)、DET(二乙烯三胺)、TER(三乙烯四胺)、ED(乙二胺)、TE(三乙胺)、DAA(二烯丙基胺)〕进行了对比. 通过单因素试验研究MZO投加量、絮凝温度及其与PFC(聚合氯化铁)复配使用等因素对絮凝性能的影响,通过正交试验确定了其最佳使用条件. 结果表明:①MZO的阳离子度为41.1%,并非最高,但MZO对炼油废水的除浊率能达到98.8%,比其他6种改性絮凝剂提高了1.2%~20.0%不等;②单因素试验确定MZO的最佳絮凝温度为60 ℃,最佳投加量为30 mg/L,MZO与PFC的最佳复配比(质量比)为1∶40;③结合正交试验结果、生产及经济因素确定其最佳使用条件:絮凝温度为55 ℃,投加量为25 mg/L,复配比(质量比)为1∶20,在此条件下,复配后絮凝剂的除浊率达到98.2%.

     

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出版历程
  • 收稿日期:  2015-07-14
  • 修回日期:  2015-10-25
  • 刊出日期:  2016-03-25

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