Thomas Allgurén

Post doc at Chalmers, Space, Earth and Environment, Energy Technology, Energy Technology 2

Thomas Allgurén works with chemistry related to co-combustion of coal and biomass in air and oxy-fuel combustion. The focus is on the alkali related chemistry and how it is affected by the change in flue gas composition going from air to oxy-fuel combustion. The chemistry is studied performing both detailed modelling work and experiments. The experimental part is carried out using the Chalmers 100 kW combustion unit. Thomas also teaches in the course Heat and power systems engineering as part of the Sustainable energy systems master program.

Source: chalmers.se

Showing 26 publications

2019

Scaling of Pulverized-Fuel Jet Flames That Apply Large Amounts of Excess Air—Implications for NOx Formation

Rikard Edland, Fredrik Normann, Thomas Allgurén et al
Energies. Vol. 12 (14)
Journal article
2019

Ash aerosol and deposition formation with changing alkali-Cl-S additives during coal combustion

Xiaolong Li, Yueming Wang, Thomas Allgurén et al
Paper in proceedings
2018

Investigation of the Behavior of Alkali Chlorides during Sulfur Recirculation in a Waste-to-Energy Facility

Thomas Allgurén, Oskar Sundborg, Albin Tärnåsen et al
Paper in proceedings
2018

The influence of fuel composition on sulfation and deposition rates of alkali salts

Thomas Allgurén, Andrew Fry, Xiaolong Li et al
Paper in proceedings
2018

The formation of NOx and soot in oxygen-enriched suspension flames

Rikard Edland, Thomas Allgurén, Fredrik Normann et al
Conference poster
2018

The connection between NOx and soot in oxygen-enriched propane flames

Rikard Edland, Thomas Allgurén, Fredrik Normann et al
Conference contribution
2018

The effect of flue gas recirculation on the formation of alkali- chlorides and sulfates in Oxy-BECCS power plants

Thomas Allgurén, Klas Andersson, Fredrik Normann
Paper in proceedings
2017

Influence of KCI and SO2 on NO Formation in C3H8 Flames

Thomas Allgurén, Klas Andersson
Energy & Fuels. Vol. 31 (10), p. 11413-11423
Journal article
2017

K–Cl–S chemistry in air and oxy-combustion atmospheres

Thomas Ekvall, Klas Andersson, Tomas Leffler et al
Proceedings of the Combustion Institute. Vol. 36 (3), p. 4011-4018
Journal article
2017

Chemical interactions between NO, KCl and SO2 in C3H8 flames

Thomas Ekvall, Klas Andersson
The Proceedings of the 42nd International Technical Conference on Clean Energy
Conference contribution
2017

Formation and Reduction of NO in Flames with High Feed Gas Oxygen Concentrations

Klas Andersson, Thomas Ekvall
The 2017 International Pittsburgh Coal Conference Proceedings
Conference contribution
2017

NO FORMATION AND REDUCTION IN FLAMES WITH HIGH FEED GAS OXYGEN CONCENTRATIONS

Thomas Ekvall, Klas Andersson
The Proceedings of the 42nd International Technical Conference on Clean Energy
Conference contribution
2017

Experimentally Observed Influences of KCl and SO2 on CO Oxidation in an 80 kW Oxy-Propane Flame

Thomas Ekvall, Klas Andersson
The 2017 International Pittsburgh Coal Conference Proceedings
Conference contribution
2017

NO formation in flames with high oxygen feed gas concentrations

Klas Andersson, Thomas Allgurén
34th Annual International Pittsburgh Coal Conference: Coal - Energy, Environment and Sustainable Development, PCC 2017. Vol. 2017-September
Paper in proceedings
2016

The use of waste fractions for co-combustion in an aluminium recovery smelter

Thomas Ekvall, Pascal Scherz, Henrik Jilvero et al
IMPACTS OF FUEL QUALITY ON POWER PRODUCTION
Conference contribution
2016

THE INFLUENCE OF KCl AND SO2 ON CO OXIDATION AND NOX FORMATION

Thomas Ekvall
IEA Clean Coal Center - Cofiring workshop
Conference poster
2016

Interactions between SO2 and KCl -A comparison between air and oxy-fuel combustion

Thomas Ekvall, Klas Andersson
IMPACTS OF FUEL QUALITY ON POWER PRODUCTION
Conference contribution
2015

Alkali sulphation in flames

Thomas Ekvall
5th Meeting of the IEAGHG International Oxyfuel Combustion Research Network
Conference contribution
2014

CO-KCl-SO2 interactions in an 80 kW propane-fired flame

Thomas Ekvall, Klas Andersson, Filip Johnsson
the proceedings of the Impacts of Fuel Quality on Power production conference, 2014, p. 13-
Conference contribution
2014

In-flame reduction of NOx in oxy-propane combustion at high inlet oxygen concentrations: the importance of soot-NOx interactions

Giovanni Nizzola, Thomas Ekvall, Fredrik Normann et al
Proceedings of the 38th International Technical Conference on Clean Coal & Fuel Systems, June 1-5 2014, Clearwater, Florida, USA.
Conference contribution
2014

Modeling the Alkali Sulfation Chemistry of Biomass and Coal Co-firing in Oxy-fuel Atmospheres

Thomas Ekvall, Fredrik Normann, Klas Andersson et al
Energy & Fuels. Vol. 28 (5), p. 3486-3494
Journal article
2013

Sulphation of potassium chloride in air and oxy-fuel combustion

Thomas Ekvall, Fredrik Normann, Klas Andersson et al
The Proceedings of the 38th International Technical Conference on Clean Coal & Fuel Systems, June 2-6 2013, Clearwater, Florida, USA
Conference contribution
2013

Sulphation of KCl in Oxy-Fuel Combustion

Thomas Ekvall
(IEAGHG) Third oxyfuel conference(OCC3), Ponferada Spain
Conference poster
2011

Using Low-Cost Iron-Based Materials as Oxygen Carriers for Chemical Looping Combustion

Erik Jerndal, Henrik Leion, Louise Lundberg et al
Oil and Gas Science and Technology. Vol. 66 (2), p. 235-248
Journal article

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Showing 1 research projects

2012–2016

Co-firing biomass and coal in oxy-fuel combustion – investigating the effects on high-temperature corrosion

Klas Andersson Energy Technology
Thomas Ekvall Energy Technology
Henrik Thunman Energy Technology
Filip Johnsson Energy Technology
Fredrik Normann Energy Technology
Swedish Research Council (VR)

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