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化工新型材料  2019, Vol. 47 Issue (3): 124-127    
  科学研究 本期目录 | 过刊浏览 | 高级检索 |
ZIF-8粒子尺寸对PDMS填充膜渗透汽化性能的影响研究
郭学彬1,3,王莉敏1,张秀秀1,展侠1,2*
1.北京工商大学中国轻工业清洁生产和资源综合利用重点实验室,北京100048;
2.清华大学化学工程联合国家重点实验室,北京100084;
3.北京城市排水集团有限责任公司科技研发中心,北京100124
Influence of particle dimension of ZIF-8 on pervaporation property of PDMS membrane
Guo Xuebin1,3,Wang Limin1,Zhang Xiuxiu1,Zhan Xia1,2
1.Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry,Beijing Technology and Business University,Beijing 100048;
2.The State Key Laboratory of Chemical Engineering,Department of Chemical Engineering,Tsinghua University, Beijing 100084;
3.Research and Development Center,Beijing Drainage Group Co.,Ltd., Beijing 100124
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摘要 以聚偏氟乙烯(PVDF)多孔膜为支撑层,将沸石咪唑酯骨架结构材料(ZIF-8)填充到聚二甲基硅氧烷(PDMS)中,制得ZIF-8/PDMS复合膜,用于渗透汽化分离乙醇/水体系。对ZIF-8/PDMS复合膜进行了表征。考察了不同ZIF-8粒子对ZIF-8/PDMS复合膜渗透汽化分离性能的影响。研究结果表明,在金属离子与有机配体的配合比为1∶2的ZIF-8粒子,操作温度为50℃条件下,ZIF-8/PDMS复合膜的渗透通量为182.4g/(m2·h),分离因子最高为8.8。
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郭学彬
王莉敏
张秀秀
展侠
关键词:  沸石咪唑酯骨架结构材料  聚二甲基硅氧烷  复合膜  乙醇/水  渗透汽化    
Abstract: ZIF-8/PDMS composite membrane was prepared by filling the zeolite imidazole ester skeleton structure material (ZIF-8) into polydimethylsiloxane (PDMS) with polyvinylidene fluoride (PVDF) porous membrane as the support layer.ZIF-8/PDMS composite membrane was used for pervaporation separation of ethanol/water mixtures.The morphology,surface chemical properties and hydrophobicity of membranes were characterized by scanning electron microscopy (SEM),infrared spectroscopy (FT-IR) and contact angle (CA).The effects of ratio of metal ions to organic ligands on the size and morphology of ZIF-8 particles as well as the pervaporation performance of ZIF-8 filled PDMS membranes were investigated.The results showed that as the ratio of metal ions to organic ligands was 1∶2,with operation temperature of 50℃,the permeation flux was 182.4g/(m2·h) and the separation factor was 8.8.
Key words:  ZIF-8    PDMS    composite membrane    ethanol/water    pervaporation
               出版日期:  2019-03-20      发布日期:  2019-03-20      期的出版日期:  2019-03-20
基金资助: 北京市自然科学基金-市教委联合资助项目(KZ201910011012);化学工程联合国家重点实验室开放基金(SKL-ChE-18A01);北京工商大学2019年大学生科学研究与创业行动计划;北京工商大学2017年研究生科研能力提升计划项目资助(19008001374)
通讯作者:  展侠(1983-),女,博士,副教授,主要从事渗透汽化膜分离研究。   
作者简介:  郭学彬(1990-),男,硕士,主要从事渗透汽化膜分离研究。
引用本文:    
郭学彬, 王莉敏, 张秀秀, 展侠. ZIF-8粒子尺寸对PDMS填充膜渗透汽化性能的影响研究[J]. 化工新型材料, 2019, 47(3): 124-127.
Guo Xuebin, Wang Limin, Zhang Xiuxiu, Zhan Xia. Influence of particle dimension of ZIF-8 on pervaporation property of PDMS membrane. New Chemical Materials, 2019, 47(3): 124-127.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2019/V47/I3/124
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