Transformation of natural clinoptilolite to high purity of synthetic zeolits
In this paper,the Chinese natural clinoptilolite was treated hydrothermally,with fusion with NaOH powder as pretreatment.High purity of zeolite Na-Y,Na-P and Na-A were identified as the reacted products,depending on the reaction conditions such as hydrothermal time and the Si/Al molar ratio in the gels.And their cation exchange capacity (CEC) are 257,355 and 335meq/100g respectively,which are greatly higher than that of the natural zeolite (97 meq/100g).In the hydrothermal reaction,an interesting phenomenon of crystal transformation has also been found.
natural zeolite hydrothermal reaction synthetic zeolites cation exchange capacity
Yifei Wang
College of Biological,Chemical Sciences and Engineering,Jiaxing University,118 Jiahang Road,Jiaxing 314001,China
国际会议
太原
英文
42-46
2012-01-13（万方平台首次上网日期，不代表论文的发表时间）