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日用化学工业 ›› 2014, Vol. 44 ›› Issue (12): 676-679.doi: 10.13218/j.cnki.csdc.2014.12.150

• 开发与应用 • 上一篇    下一篇

4A分子筛的水热法合成工艺研究

卢传竹, 赵华, 李会鹏, 赵晓隆, 李智超   

  1. 辽宁石油化工大学 化学化工与环境学部 石油化工学院,辽宁 抚顺 113001
  • 收稿日期:2014-06-20 出版日期:2014-12-22 发布日期:2019-04-08
  • 通讯作者: 赵 华,副教授,硕士生导师,E-mail:zh.113@126.com。
  • 作者简介:卢传竹(1989-),男,辽宁人,硕士研究生,电话:15041391807,E-mail:lucz16@126.com。
  • 基金资助:
    抚顺市地方横向合作资助项目(2014040175)

Investigation of synthesis conditions of 4A zeolite with hydro-thermal method

LU Chuan-zhu, ZHAO Hua, LI Hui-peng, ZHAO Xiao-long, LI Zhi-chao   

  1. School of Petrochemical Engineering,College of Chemistry,Chemical Engineering and Environmental Engineering, Liaoning Shihua University,Fushun,Liaoning 113001,China
  • Received:2014-06-20 Online:2014-12-22 Published:2019-04-08

摘要: 采用水热法合成了4A分子筛,以4A分子筛的钙离子交换度为指标,通过单因素试验和正交试验考察了4A分子筛的合成条件。实验结果表明,合成4A分子筛的最佳条件为:n(SiO2)/n(Al2O3)=1.8,n(Na2O)/n(SiO2)=3.0,n(H2O)/n(Na2O)=40,晶化温度为100 ℃(常压),晶化时间为6 h。在此条件下合成的4A分子筛的钙离子交换度为323 mg·g-1。同时通过XRD和SEM对最佳条件下的4A分子筛进行了表征。

关键词: 洗涤剂助剂, 4A分子筛, 水热法, 钙离子交换度

Abstract: 4A zeolite was synthesized with hydro-thermal method.The synthesis conditions were investigated via single factor experiment and orthogonally designed experiment using the calcium ion exchange capacity of 4A zeolite as index.The optimal reaction conditions were determined as:n(SiO2)/n(Al2O3)=1.8;n(Na2O)/n(SiO2)=3.0;n(H2O)/n(Na2O)=40;crystallization temperature of 100 ℃ (normal pressure) and crystallization time of 6 h.Calcium ion exchange capacity of the product achieves 323 mg·g-1.The product was characterized by XRD and SEM.

Key words: detergent builder, 4A zeolite, hydro-thermal method, calcium ion exchange capacity

中图分类号: 

  • TQ649.4