欢迎访问《硅酸盐通报》官方网站,今天是

硅酸盐通报 ›› 2017, Vol. 36 ›› Issue (11): 3653-3658.

• • 上一篇    下一篇

基于碱融活化的高岭土水热法制备干燥剂NaP分子筛

孔德顺;宋说讲;王茜;张鲁超   

  1. 六盘水师范学院化学与材料工程学院,六盘水,553004
  • 出版日期:2017-11-15 发布日期:2021-01-18
  • 基金资助:
    六盘水市煤系固体废弃物资源化利用创新团队(52020-2012-04-01-02)%贵州省教育厅创新群体重大研究项目(黔教合KY字[2017]054)%贵州省普通高等学校煤系固体废弃物资源化技术创新团队(黔教合人才团队字[2014]46)%贵州省煤炭绿色发展2011协同创新中心(黔教科研发[2016]258)

Preparation of Desiccant NaP Zeolite by Hydrothermal Method Based on Alkali Melting Kaolin

KONG De-shun;SONG Shuo-jiang;WANG Qian;ZHANG Lu-chao   

  • Online:2017-11-15 Published:2021-01-18

摘要: 研究了含有石英成分的高岭土的活化方法,并采用水热法制备了干燥剂NaP分子筛.研究了碳酸钠对高岭土的活化效果、不同水热反应条件对NaP分子筛吸水率的影响,得到该高岭土的活化条件为:m(高岭土):m(碳酸钠)=1:1、在750℃下煅烧2 h;制备NaP分子筛的优化条件为:n(SiO2)/n(Al2O3)=4.0、n(Na2 O)/n(SiO2)=1.4、n(H2O)/n(Na2 O)=40、93℃下晶化8 h.

关键词: 高岭土;碱融;NaP分子筛

Abstract: The activation method of kaolin containing quartz was studied,and the NaP zeolite was prepared by hydrothermal method. The activation effect of sodium carbonate on kaolin and the effects of different hydrothermal conditions on water absorption of NaP zeolite were studied, the activation conditions of kaolin were m(kaolin):m(sodium carbonate)=1:1 and calcination at 750 ℃ for 2 h,the optimizational preparation conditionsof NaP zeolite were n(SiO2 )/n(Al2O3 )=4. 0,n(Na2 O)/n(SiO2 )=1. 4,n(H2O)/n(Na2 O)=40 and hydrothermal crystallization at 93 ℃ for 8 h.

Key words: kaolin;alkali melting;NaP zeolite

中图分类号: