Modeling the influence of potassium content and heating rate on biomass pyrolysis

Research output: Contribution to journalJournal article – Annual report year: 2017Researchpeer-review

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Modeling the influence of potassium content and heating rate on biomass pyrolysis. / Trubetskaya, Anna; Surup, Gerrit; Shapiro, Alexander; B. Bates, Richard.

In: Applied Energy, Vol. 194, 2017, p. 199-211.

Research output: Contribution to journalJournal article – Annual report year: 2017Researchpeer-review

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Trubetskaya, Anna ; Surup, Gerrit ; Shapiro, Alexander ; B. Bates, Richard. / Modeling the influence of potassium content and heating rate on biomass pyrolysis. In: Applied Energy. 2017 ; Vol. 194. pp. 199-211.

Bibtex

@article{fa3ab2c6d5fd4a17942a428eb459335c,
title = "Modeling the influence of potassium content and heating rate on biomass pyrolysis",
abstract = "This study presents a combined kinetic and particle model that describes the effect of potassium and heating rate during the fast pyrolysis of woody and herbaceous biomass. The model calculates the mass loss rate, over a wide range of operating conditions relevant to suspension firing. The shrinking particle model considers internal and external heat transfer limitations and incorporates catalytic effects of potassium on the product yields. Modeling parameters were tuned with experimentally determined char yields at high heating rates (>200 K s−1) using a wire mesh reactor, a single particle burner, and a drop tube reactor. The experimental data demonstrated that heating rate and potassium content have significant effects on the char yield. The importance of shrinkage on the devolatilization time becomes greater with increasing particle size, but showed little influence on the char yields.",
keywords = "Fast pyrolysis, Heating rate, Kinetics, Metaplast, Potassium",
author = "Anna Trubetskaya and Gerrit Surup and Alexander Shapiro and {B. Bates}, Richard",
note = "Publisher's note added",
year = "2017",
doi = "10.1016/j.apenergy.2017.03.009",
language = "English",
volume = "194",
pages = "199--211",
journal = "Applied Energy",
issn = "0306-2619",
publisher = "Pergamon Press",

}

RIS

TY - JOUR

T1 - Modeling the influence of potassium content and heating rate on biomass pyrolysis

AU - Trubetskaya, Anna

AU - Surup, Gerrit

AU - Shapiro, Alexander

AU - B. Bates, Richard

N1 - Publisher's note added

PY - 2017

Y1 - 2017

N2 - This study presents a combined kinetic and particle model that describes the effect of potassium and heating rate during the fast pyrolysis of woody and herbaceous biomass. The model calculates the mass loss rate, over a wide range of operating conditions relevant to suspension firing. The shrinking particle model considers internal and external heat transfer limitations and incorporates catalytic effects of potassium on the product yields. Modeling parameters were tuned with experimentally determined char yields at high heating rates (>200 K s−1) using a wire mesh reactor, a single particle burner, and a drop tube reactor. The experimental data demonstrated that heating rate and potassium content have significant effects on the char yield. The importance of shrinkage on the devolatilization time becomes greater with increasing particle size, but showed little influence on the char yields.

AB - This study presents a combined kinetic and particle model that describes the effect of potassium and heating rate during the fast pyrolysis of woody and herbaceous biomass. The model calculates the mass loss rate, over a wide range of operating conditions relevant to suspension firing. The shrinking particle model considers internal and external heat transfer limitations and incorporates catalytic effects of potassium on the product yields. Modeling parameters were tuned with experimentally determined char yields at high heating rates (>200 K s−1) using a wire mesh reactor, a single particle burner, and a drop tube reactor. The experimental data demonstrated that heating rate and potassium content have significant effects on the char yield. The importance of shrinkage on the devolatilization time becomes greater with increasing particle size, but showed little influence on the char yields.

KW - Fast pyrolysis

KW - Heating rate

KW - Kinetics

KW - Metaplast

KW - Potassium

U2 - 10.1016/j.apenergy.2017.03.009

DO - 10.1016/j.apenergy.2017.03.009

M3 - Journal article

VL - 194

SP - 199

EP - 211

JO - Applied Energy

JF - Applied Energy

SN - 0306-2619

ER -