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9th European Chemistry Congress

Berlin, Germany

Tamoghna Mitra

Tamoghna Mitra

University of Liverpool, UK

Title: Porous organic molecular solids for separation

Biography

Biography: Tamoghna Mitra

Abstract

Porous materials are an important class of compounds. Porous materials, such as terracotta, charcoal and dried plant husks, have been used for millennia for filtration and purification. In modern times, porous           materials such  as zeolites have found extensive use       in separation processes such    as petrochemical cracking, ion-exchange and the separation and extraction of gases and solvents. Other synthetic porous materials like Metal-Organic-Framework (MOF), Covalent-Organic Framework (COF) have emerged as important materials for separations. Porosity in these materials emerges as extended solids in which the molecular building blocks are linked together by strong covalent bonds. In contrast, porosity in molecular crystal emerges as consequences of either inefficient packing of an awkwardly shaped molecule or the molecule have an intrinsic cavity in the molecule. What set these porous molecules apart from extended frameworks is that they are solution processable and their intrinsic cavity can be engineered. These unique features allow the use of these materials for shape and size selectivity separations. Using this strategy we have demonstrated that we can isolate isomers of organic feed stocks (such as mesitylene and other C-9 isomers, hexane isomers etc.), rare gases, chiral molecules and CO2 and N2 for the post-combustion separation process. In this talk, author would focus on selected examples that have been achieved in Liverpool to introduce broader concepts to the audience who are new to this field.