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硅酸镁/PES复合膜吸附材料的制备及其对亚甲基蓝的吸附

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汪清, 毛丽莉, 王海增. 硅酸镁/PES复合膜吸附材料的制备及其对亚甲基蓝的吸附[J]. 环境工程学报, 2014, 8(10): 4296-4300.
引用本文: 汪清, 毛丽莉, 王海增. 硅酸镁/PES复合膜吸附材料的制备及其对亚甲基蓝的吸附[J]. 环境工程学报, 2014, 8(10): 4296-4300.
shu
Wang Qing, Mao Lili, Wang Haizeng. Preparation of magnesium silicate/PES composite membrane and its adsorption of methylene blue[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4296-4300.
Citation: Wang Qing, Mao Lili, Wang Haizeng. Preparation of magnesium silicate/PES composite membrane and its adsorption of methylene blue[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4296-4300.
shu

硅酸镁/PES复合膜吸附材料的制备及其对亚甲基蓝的吸附

  • 1.

    中国海洋大学化学化工学院 海洋化学工程与技术教育部重点实验室, 青岛 266100

  • 基金项目:

    教育部博士点专项基金资助项目（20090132110009）

  • 中图分类号: X52

Preparation of magnesium silicate/PES composite membrane and its adsorption of methylene blue

  • 1.

    Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering Ocean University of China, Qingdao 266100, China

  • Fund Project:

  • 摘要: 采用共混法制备了硅酸镁/聚醚砜（PES）复合膜吸附材料，通过傅氏转换红外线光谱分析仪（FT-IR）和 扫描式电子显微镜（SEM）等手段对膜的结构进行表征，研究了复合膜的吸附性能、机械性能和热稳定性。考察了时间、溶液平衡浓度和pH等对亚甲基蓝吸附的影响。结果表明，综合机械性能和吸附性能考虑，硅酸镁含量为19%时的复合膜最佳。25℃条件下，对亚甲基蓝的吸附6 h达到平衡，最大吸附量为1.85 mg/cm2；25℃条件下，弱酸或碱性条件时有利于复合膜对亚甲基蓝的吸附。
    Abstract: The magnesium silicate /PES (polyethersulfones) composite membrane was prepared by blending method.The resulting membrane was characterized by FT-IR and SEM.Mechanical and thermal properties of the membrane were researched.Different factors affecting the adsorption behavior of methylene blue (MB),i.e.time,equilibrium concentration and pH were studied.Results showed that the optimal content of magnesium silicate in the composite membrane was 19%,taking mechanical and adsorptive properties into consideration.At 25℃,the adsorption process attained equilibrium in 6 h and the maximal adsorption capacity was 1.85 mg/cm2,it was favorable for the adsorption of MB under weak acidic or alkaline conditions.
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  • 收稿日期:  2013-11-08
  • 刊出日期:  2014-09-28
汪清, 毛丽莉, 王海增. 硅酸镁/PES复合膜吸附材料的制备及其对亚甲基蓝的吸附[J]. 环境工程学报, 2014, 8(10): 4296-4300.
引用本文: 汪清, 毛丽莉, 王海增. 硅酸镁/PES复合膜吸附材料的制备及其对亚甲基蓝的吸附[J]. 环境工程学报, 2014, 8(10): 4296-4300.
shu
Wang Qing, Mao Lili, Wang Haizeng. Preparation of magnesium silicate/PES composite membrane and its adsorption of methylene blue[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4296-4300.
Citation: Wang Qing, Mao Lili, Wang Haizeng. Preparation of magnesium silicate/PES composite membrane and its adsorption of methylene blue[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4296-4300.
shu

硅酸镁/PES复合膜吸附材料的制备及其对亚甲基蓝的吸附

  • 1. 中国海洋大学化学化工学院 海洋化学工程与技术教育部重点实验室, 青岛 266100
  • 收稿日期:  2013-11-08
基金项目:

教育部博士点专项基金资助项目（20090132110009）

摘要: 采用共混法制备了硅酸镁/聚醚砜（PES）复合膜吸附材料，通过傅氏转换红外线光谱分析仪（FT-IR）和 扫描式电子显微镜（SEM）等手段对膜的结构进行表征，研究了复合膜的吸附性能、机械性能和热稳定性。考察了时间、溶液平衡浓度和pH等对亚甲基蓝吸附的影响。结果表明，综合机械性能和吸附性能考虑，硅酸镁含量为19%时的复合膜最佳。25℃条件下，对亚甲基蓝的吸附6 h达到平衡，最大吸附量为1.85 mg/cm2；25℃条件下，弱酸或碱性条件时有利于复合膜对亚甲基蓝的吸附。

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