Characterization and reactivity of soot from fast pyrolysis of lignocellulosic compounds and monolignols

Trubetskaya, Anna (author): Umeå universitet,Institutionen för tillämpad fysik och elektronik,Thermochemical Energy Conversion Laboratory, Umeå University, Umeå

Brown, A. (author): Chemical Engineering Department, Worcester Polytechnic Institute, Worcester, MA, United States

Tompsett, G.A. (author): Chemical Engineering Department, Worcester Polytechnic Institute, Worcester, MA, United States

Timko, M.T. (author): Chemical Engineering Department, Worcester Polytechnic Institute, Worcester, MA, United States

Kling, J. (author): Center for Nanoscopy, Technical University of Denmark, Kgs. Lyngby, Denmark

Broström, Markus (author): Umeå universitet,Institutionen för tillämpad fysik och elektronik,Thermochemical Energy Conversion Laboratory, Umeå University, Umeå

Andersen, M.L. (author): Department of Food Science, University of Copenhagen, Copenhagen, Denmark

(creator_code:org_t)

Oxford : Elsevier, 2018
2018
English.
In: Applied Energy. - Oxford : Elsevier. - 0306-2619 .- 1872-9118. ; 212, s. 1489-1500

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Abstract Subject headings

This study presents the effect of lignocellulosic compounds and monolignols on the yield, nanostructure and reactivity of soot generated at 1250 °C in a drop tube furnace. The structure of soot was characterized by electron microscopy techniques, Raman spectroscopy and electron spin resonance spectroscopy. The CO2 reactivity of soot was investigated by thermogravimetric analysis. Soot from cellulose was more reactive than soot produced from extractives, lignin and monolignols. Soot reactivity was correlated with the separation distances between adjacent graphene layers, as measured using transmission electron microscopy. Particle size, free radical concentration, differences in a degree of curvature and multi-core structures influenced the soot reactivity less than the interlayer separation distances. Soot yield was correlated with the lignin content of the feedstock. The selection of the extraction solvent had a strong influence on the soot reactivity. The Soxhlet extraction of softwood and wheat straw lignin soot using methanol decreased the soot reactivity, whereas acetone extraction had only a modest effect.

By the author/editor: Trubetskaya, Ann ...; Brown, A.; Tompsett, G.A.; Timko, M.T.; Kling, J.; Broström, Markus; show more...; Andersen, M.L.; Umeki, Kentaro; show less...

About the subject

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Mechanical Engin ...; and Energy Engineeri ...

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