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Date of Award
1963
Document Type
Dissertation
Degree Name
Doctor of Philosophy (Ph.D.)
Department
Graduate School
First Advisor
Milton E. Fuller
First Committee Member
Herschel Frye
Second Committee Member
Carl Wulfman
Third Committee Member
Howard K. Zimmerman
Fourth Committee Member
Emerson G. Cobb
Abstract
It has been found that there exist certain crystalline aluminosilicates which provide regular net-works of channels with diameters no bigger than those of molecules. Such crystals can act as sieves (thus the name "molecular sieves" now marketed by the Linde Air Products Company) and bring about a separation of molecular species by occluding small molecules while not adsorbing larger molecules or molecules with shapes that do not "fit."
The aluminosilicates were termed zeolites first by Baron Cronstedt (1) some 200 years ago. He observed that certain mineral crystals, when heated, appeared to melt and to boil at the same time. Thus, from the Greek "zeo," to boil, and "lithos," stone, Cronstedt coined the term "zeolite."
The use of zeolite (molecular sieves) has increased during the past several years. The earlier work (1930- 1950) involved the study of the naturally occurring zeolites. During the last ten years the activity has been concerned with the use of synthetic crystalline zeolites in separating both gaseous and liquid components by the molecular sieve action,
Pages
91
Recommended Citation
Hamerski, Julian Joseph. (1963). High Temperature Adsorption Studies On Solid Adsorbents. University of the Pacific, Dissertation. https://scholarlycommons.pacific.edu/uop_etds/2873
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