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α-Al2O3中空纤维支撑体的制备与表征
  • ISSN号：1007-8924
  • 期刊名称：《膜科学与技术》
  • 时间：0
  • 分类：TQ343.41[化学工程—化纤工业]
  • 作者机构：[1]南京工业大学化学化工学院,材料化学工程国家重点实验室,南京210009
  • 相关基金：国家自然科学基金（20706030 U0834004）; 973计划（2009CB623403）; 江苏省高校自然科学基金（09KJA530002）; 教育部和南京市留学回国人员基金
作者： 徐吉上[1], 何勇[1], 顾学红[1], 金万勤[1]
关键词： 干-湿法纺丝, α-Al2O3, 中空纤维支撑体, NaA, 分子筛膜, dry-wet spinning process, α-Al2O3, hollow fiber supports, NaA, zeolite membrane
中文摘要：

采用干-湿法纺丝技术制备了α-Al2O3中空纤维支撑体,系统研究了Al2O3/PESf（聚醚砜）原料比、焙烧温度、保温时间以及原料粒径等因素对支撑体结构性能的影响.优化的支撑体渗透性为4.09×10-5mol/（m2.s.Pa）,弯曲强度为142.7 MPa,最大孔径与平均孔径分别为0.66μm和0.56μm.在该支撑体上合成了NaA分子筛膜,其水/乙醇分离因子〉5 000,通量达7.37 kg/（m2.h）.

英文摘要：

α-Al2O3 hollow fiber supports were prepared by dry-wet spinning process.Effects of Al2O3/PESf（polyethersulfone） ratio,sintering temperature,holding time and particle size of raw material on structure and performances of supports were studied systematically.The optimized hollow fiber support had the permeance of 4.09 10-5 mol·m-2· s-1 · Pa-1,bending strength of 142.7 MPa,maximum pore diameter of 0.66 μm and average pore diameter of 0.56 μm.The NaA zeolite membrane was synthesized on the optimized support,which showed the separation factor of water/ethanol of 〉5 000 and the flux up to 7.37 kg·m-2 ·h-1.

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期刊信息
  • 《膜科学与技术》
  • 北大核心期刊（2011版）
  • 主管单位:中国蓝星(集团)股份有限公司
  • 主办单位:中国蓝星(集团)股份有限公司
  • 主编：刘宪秋
  • 地址：北京市顺义区空港工业区B区蓝星公司213室
  • 邮编：101318
  • 邮箱：mkxx@bluestar.chemchina.com
  • 电话：010-80492417 80485372
  • 国际标准刊号：ISSN：1007-8924
  • 国内统一刊号：ISSN：62-1049/TB
  • 邮发代号:54-40
  • 获奖情况:
  • 1998年11月，获国家石油和化学工业局"全国化工系...,2002 年1月， 被中华人民共和国新闻出版总署评定为...,2002年10月，获中国石油和化学工业协会"第五届全...,2003年4月， 获中国学术期刊（光盘版）"首届《CAJ...,2005年6月， 获甘肃省科技厅"甘肃省优秀科技期刊奖",2006年8月， 获中国石油和化学工业协会"第六届全...,2008
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:8663