Influence of fast pyrolysis conditions on yield and structural transformation of biomass chars

A Trubetskaya, PA Jensen, AD Jensen… - Fuel processing …, 2015 - Elsevier
Fast pyrolysis of biomass (wood, straw, rice husk) and its major components (cellulose,
hemicellulose, lignin) was conducted in a wire mesh reactor. The aim of this study was to …

Ash formation during combustion of rice husks in entrained flow conversion conditions

S Pachchigar, TK Hannl, M Öhman - Energy & Fuels, 2024 - ACS Publications
This study investigates the detailed ash transformation process during the combustion of rice
husks in entrained flow conditions. The experiments were conducted in a lab-scale drop …

Effects of several types of biomass fuels on the yield, nanostructure and reactivity of soot from fast pyrolysis at high temperatures

A Trubetskaya, PA Jensen, AD Jensen, ADG Llamas… - Applied Energy, 2016 - Elsevier
This study presents the effect of biomass origin on the yield, nanostructure and reactivity of
soot. Soot was produced from wood and herbaceous biomass pyrolysis at high heating rates …

Kinetic study of catalytic gasification of wood char impregnated with different alkali salts

K Kirtania, J Axelsson, L Matsakas, P Christakopoulos… - Energy, 2017 - Elsevier
Abstract Different concentrations (0.1 and 1 MK+/Na+) of salt solutions (K 2 CO 3, Na 2 CO
3, NaOH and NaCl) were used to impregnate alkali in sawdust. After devolatilization, char …

Effect of fast pyrolysis conditions on biomass solid residues at high temperatures

A Trubetskaya, PA Jensen, AD Jensen… - Fuel processing …, 2016 - Elsevier
Fast pyrolysis of wood and straw was conducted in a drop tube furnace (DTF) and compared
with corresponding data from a wire mesh reactor (WMR) to study the influence of …

Reduction of tar and soot formation from entrained-flow gasification of woody biomass by alkali impregnation

K Umeki, G Häggström, A Bach-Oller… - Energy & …, 2017 - ACS Publications
Tar and soot in product gas have been a major technical challenge toward the large-scale
industrial installation of biomass gasification. This study aims at demonstrating that the …

Prediction of fast pyrolysis products yields using lignocellulosic compounds and ash contents

A Trubetskaya, MT Timko, K Umeki - Applied Energy, 2020 - Elsevier
The effects of lignocellulosic biomass composition on product yields and distributions were
studied under high-temperature pyrolysis conditions (800–1250° C) in a drop tube reactor …

Combustion details of raw and torrefied biomass fuel particles with individually-observed size, shape and mass

A Panahi, N Vorobiev, M Schiemann… - Combustion and …, 2019 - Elsevier
A unique approach and proposed methodology was implemented to determine char burning
rates in conjunction to their prevailing structure from detailed results on the combustion …

[HTML][HTML] The effect of Stefan flow on the drag coefficient of spherical particles in a gas flow

TR Jayawickrama, NEL Haugen, MU Babler… - International Journal of …, 2019 - Elsevier
Particle laden flows with reactive particles are common in industrial applications. Chemical
reactions inside the particle can generate a Stefan flow that affects heat, mass and …

[HTML][HTML] The effect of Stefan flow on Nusselt number and drag coefficient of spherical particles in non-isothermal gas flow

TR Jayawickrama, NEL Haugen, MU Babler… - International Journal of …, 2021 - Elsevier
A Stefan flow can be generated during a phase change or reactions of a particle immersed
in a fluid. This study investigates the effect of Stefan flow on the exchange of momentum …