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甲苯在不同孔材料上动态吸附/脱附实验研究

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Indexed by:期刊论文

Date of Publication:2010-05-15

Journal:中国科技论文在线

Volume:5

Issue:5

Page Number:360-364

ISSN No.:1673-7180

Key Words:环境工程;动态吸附/脱附;介孔;微孔;甲苯

Abstract:选用4种具有不同孔的材料SBA-15、NaY、MCM-41和SiO2为吸附剂,考察其对甲苯的动态吸附/脱附性能,探讨孔形对甲苯的吸附性能的影响.采用XRD、TEM和BET手段对吸附剂进行了表征,结果表明微孔的存在有利于甲苯的吸附.有序性好,存在微孔结构的SBA-15分子筛对甲苯的吸附量可达0.305 3 mL/g,中孔和微孔之间存在的协同作用促进了甲苯的吸附扩散.

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