The origin of molecular mobility during biomass pyrolysis as revealed by in situ (1)H NMR spectroscopy

ChemSusChem
Anthony DufourColin Snape

Abstract

The thermochemical conversion of lignocellulosic biomass feedstocks offers an important potential route for the production of biofuels and value-added green chemicals. Pyrolysis is the first phenomenon involved in all biomass thermochemical processes and it controls to a major extent the product composition. The composition of pyrolysis products can be affected markedly by the extent of softening that occurs. In spite of extensive work on biomass pyrolysis, the development of fluidity during the pyrolysis of biomass has not been quantified. This paper provides the first experimental investigation of proton mobility during biomass pyrolysis by in situ (1)H NMR spectroscopy. The origin of mobility is discussed for cellulose, lignin and xylan. The effect of minerals on cellulose mobility is also investigated. Interactions between polymers in the native biomass network are revealed by in situ (1)H NMR analysis.

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Citations

Oct 29, 2013·Chemical Reviews·Trevor J Morgan, Rafael Kandiyoti
Nov 21, 2012·Physical Chemistry Chemical Physics : PCCP·Karl F StupicThomas Meersmann

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