Microporous Metal Organic Frameworks (MMOFs) materials are very effective and efficient adsorbents for gas adsorption and separation due to their high surface area, large pore volume and relative low heat capacity. In this work, we focus on small gases and hydrocarbon adsorption and separation properties in MMOFs which typically have pore size smaller than 20Å. Nitrogen and argon adsorption isotherms were collected at 77K and 87K respectively for porosity characterization, e. g. surface area, pore volume and pore size distribution. Single component isotherms of small gases of CO2, N2, O2, H2, O2, Alkanes (CnH2n+2) and Alkenes (CnH2n) were collected at ambient condition to preliminarily evaluate gas adsorption and separation properties. After screening, mixed gas adsorption and breakthrough experiment were performed using promising MMOFs candidates in order to mimic the real world situation. Besides experiment, molecular simulation was studied in aid of learning adsorption behavior and separation mechanism in depth. An interesting phenomena, so called “commensurate adsorption”, was recognized and summarized in this thesis.
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Chemistry and Chemical Biology
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Rutgers University Electronic Theses and Dissertations
Rutgers University. Graduate School - New Brunswick
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.