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分子筛对直链烷烃的选择性吸附研究
ADSORPTION OF ZEOLITES FOR NORMAL PARAFFINE
【摘要】 采用静态液相吸附法,考察了nC6与iC8分别在5A和ZSM5分子筛上的吸附平衡情况。研究结果发现,溶液浓度对吸附平衡时间和吸附量都有较大影响,剂/油值对平衡吸附量影响不大。对5A分子筛的吸附平衡数据进行了拟合,其吸附等温线方程与Langmuir方程基本吻合,而吸附速率曲线符合Bangham方程
【Abstract】 The adsorption characteristics of n C 6/ i C 8 solution on 5A and ZSM 5 molecular sieves are studied by using static liquid phase adsorption method. It is found that the concentration of the solution has great effects on the time of the adsorption equilibrium and the adsorptive power. The adsorption isotherm obeys the Langmuir equation. The dynamic curve can be described by the Bangham equation.
【关键词】 分子筛;
吸附;
吸附剂;
正构烷烃;
异构烷烃;
吸附量;
速率;
方程;
【Key words】 molecular sieve; adsorption; adsorbent; n paraffine; i paraffine; adsorptive power; rate;
【Key words】 molecular sieve; adsorption; adsorbent; n paraffine; i paraffine; adsorptive power; rate;
【基金】 中国石油天然气总公司中青年创新基金
- 【文献出处】 石油大学学报(自然科学版) ,JOURNAL OF THE UNIVERSITY OF PETROLEUM,CHINA , 编辑部邮箱 ,1998年04期
- 【分类号】O647.32
- 【被引频次】5
- 【下载频次】177