NDLI: Sorbents and supports based on nanoporous carbon xerogels

Content Provider	Springer Nature Link
Author	Molchav, V. V. Shchuchkin, M. N. Zaikovskii, V. I. Bogdav, S. V. Zaitseva, N. A.
Copyright Year	2008
Abstract	The physicochemical properties of nanoporous carbon materials (TUMaNs) prepared by the carbonization of porous phenol-formaldehyde resin were studied. According to high-resolution electron microscopic data, these materials are nanographites composed of 5-to 10-μm globules, which form chaotically arranged microblocks 3–4 graphene layers in thickness. The materials have a developed system of 1.5-to 3.0-nm micropores and a specific surface area of 450–700 m$^{2}$/g. According to X-ray diffraction analysis, the samples consisted of strongly disordered graphite with uniquely large interlayer distances of 0.375–0.390 nm. The sorption properties of TUMaN toward hydrogen and light hydrocarbons were studied. The amount of absorbed hydrogen was higher than analogous values for materials with comparable or even larger specific surface areas. With respect to the sorption of light hydrocarbons, the properties of TUMaN were similar to those of silica and alumina. Nickel supported on TUMaN exhibited an unusually high activity and selectivity in butadiene hydrogenation to butenes. Palladium on TUMaN was highly effective in the hydrofining of ethylene for the removal of acetylene impurities.
Starting Page	702
Ending Page	707
Page Count	6
File Format	PDF
ISSN	00231584
Journal	Kinetics and Catalysis
Volume Number	49
Issue Number	5
e-ISSN	16083210
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2008-09-30
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Physical Chemistry Catalysis
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis Modeling and Simulation Computer Science Applications

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