I. A. Zvereva, M. G. Shelyapina, I. A. Minich, Y. A. Anufrikov, O. I. Silyukov, A. Samadov, A. I. Neupokoev, G. A. Valkovskiy, V. Petranovskii
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引用次数: 0
Abstract
This work presents the results of the study of glycerol and water sorption using two complimentary approaches, simultaneous thermal analysis and isothermal sorption calorimetry, on zeolites differing in the framework topology and post modifications (natural clinoptilolite, protonated zeolite ZSM-5 with Si/Al ratio of 50, commercial Na-mordenite with Si/Al ratio of 6.5 then modified by ion exchange for copper ions, or by alkaline etching to develop mesoporosity, and pillared mordenite). For the studied mordenites a correlation between texture and composition and sorption capacity towards glycerol and water was shown. Analysis of glycerol and water desorption suggests the optimal temperature range for catalytic conversion of glycerol via dehydration and carboxylation.
期刊介绍:
Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world.
Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.