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Proton Transfer in Coal of Early Stage of Metamorphism and in SKN-2K Carbon Sorbent

Proton Transfer in Coal of Early Stage of Metamorphism and in SKN-2K Carbon Sorbent Solid-state NMR spectroscopy is used to study the proton transfer from aqueous sulfuric-acid solution to coal of early metamorphic stages and to SKN-2K porous carbon sorbent (the carbonized copolymer of 2-methyl-5-vinylpyridine and divinylbenzene). The proton transfer to a spherical polymer granule or a coal membrane is determined by electrolyte diffusion in the solid. In SKN-2K porous sorbent, the diffusion coefficient of sulfuric acid is 1 × 10–8 m2/s. When the electrolyte flux is perpendicular to the membrane plane, the diffusion coefficient of sulfuric acid is 1 × 10–13 m2/s. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Coke and Chemistry Springer Journals

Proton Transfer in Coal of Early Stage of Metamorphism and in SKN-2K Carbon Sorbent

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Publisher
Springer Journals
Copyright
Copyright © Allerton Press, Inc. 2021. ISSN 1068-364X, Coke and Chemistry, 2021, Vol. 64, No. 4, pp. 139–143. © Allerton Press, Inc., 2021. Russian Text © The Author(s), 2021, published in Koks i Khimiya, 2021, No. 4, pp. 2–7.
ISSN
1068-364X
eISSN
1934-8398
DOI
10.3103/s1068364x21040037
Publisher site
See Article on Publisher Site

Abstract

Solid-state NMR spectroscopy is used to study the proton transfer from aqueous sulfuric-acid solution to coal of early metamorphic stages and to SKN-2K porous carbon sorbent (the carbonized copolymer of 2-methyl-5-vinylpyridine and divinylbenzene). The proton transfer to a spherical polymer granule or a coal membrane is determined by electrolyte diffusion in the solid. In SKN-2K porous sorbent, the diffusion coefficient of sulfuric acid is 1 × 10–8 m2/s. When the electrolyte flux is perpendicular to the membrane plane, the diffusion coefficient of sulfuric acid is 1 × 10–13 m2/s.

Journal

Coke and ChemistrySpringer Journals

Published: Aug 3, 2021

Keywords: coal; porous carbon sorbent; proton transfer; diffusion; NMR spectroscopy

References