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Conference contributions | | 2017

Comparison of selected firelighters for stoves from renewable and fossil fuels in terms of gaseous emissons

Matschegg D, Kirchhof JM, Golicza L, Schwabl M, Schmidl C. Comparison of selected firelighters for stoves from renewable and fossil fuels in terms of gaseous emissons. 5th Central European Biomass Conference (Poster). January 2017, Graz, Austria.


Contributions to trade journals | | 2017

Effect of draught conditions and ignition technique on combustion performance of firewood roomheaters

Reichert G, Hartmann H, Haslinger W, Öhler H, Mack R, Schmidl C, Schön C, Schwabl M, Stressler H, Sturmlechner R, Hochenauer C. Effect of draught conditions and ignition technique on combustion performance of firewood roomheaters. Renewable Energy. 1 May 2017;105: 547-560.


Conference contributions | Potentiale, Bioenergiesysteme, Logistik | 2017

Emission factor assessment for two firewood stoves in the autumn or spring season

Sturmlechner R, Stressler H, Schwabl M, Reichert G, Carlon E, Haslinger W, Schmidl C, Weissinger A. Emission factor assessment for two firewood stoves in the autumn or spring season. 25th International Conference on Modelling, Monitoring and Management of Air Pollution. 25-27 April 2017.


Contributions to trade journals | | 2017

Influence of pellet length on performance of pellet room heaters under real life operation conditions

Wöhler M, Jaeger D, Reichert G, Schmidl C, Pelz SK. Influence of pellet length on performance of pellet room heaters under real life operation conditions. Renewable Energy. 1 May 2017;105: 66-75.


Contributions to trade journals | Emissionen | 2017

Long Term Durability and Safety Aspects of Oxidizing Honeycomb Catalysts Integrated in Firewood Stoves

Reichert G, Schmidl C, Haslinger W, Stressler H, Sturmlechner R, Schwabl M, Kienzl N, Hochenauer C. Long Term Durability and Safety Aspects of Oxidizing Honeycomb Catalysts Integrated in Firewood Stoves. Biomass and Bioenergy. August 2017;


Conference contributions | | 2016

beReal - Comparative assessment of EN standard test methods and new real-life test methods for biomass room heating appliances

Schmidl C, Reichert G, Schwabl M, Stressler H, Sturmlechner R, Haslinger W. beReal - Comparative assessment of EN standard test methods and new real-life test methods for biomass room heating appliances. 24th European Biomass Conference & Exhibition (poster). June 2016, Amsterdam, Netherlands.


Conference contributions | 2016

Detailed Reaction Schemes and Product Characterization Applied to Pyrolysis of a Single Spruce Particle

Andrés Anca-Couce, Peter Sommersacher, Robert Scharler, Christoph Hochenauer. Detailed Reaction Schemes and Product Characterization Applied to Pyrolysis of a Single Spruce Particle. 24rd European Biomass Conference & Exhibition (oral presentation).


Conference contributions | | 2016

Influence of leak tightness and heat storage capacity of biomass room heating appliances on thermal efficiency

Sturmlechner R, Reichert G, Stressler H, Aigenbauer S, Schmidl C, Schwabl M, Haslinger W. Influence of leak tightness and heat storage capacity of biomass room heating appliances on thermal efficiency. 24th European Biomass Conference & Exhibition (poster). June 2016, Amsterdam, Netherlands.


Contributions to trade journals | Emissionen | 2016

Investigation of real life operation of biomass room heating appliances – results of a European survey

Wöhler M, Andersen JS, Becker G, Persson H, Reichert G, Schön C, Schmidl C, Jaeger D, Pelz SK. Investigation of real life operation of biomass room heating appliances – results of a European survey. Applied Energy. 1 May 2016;169: 240-249.

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Contributions to trade journals | | 2016

Investigation of User Behavior and Assessment of Typical Operation Mode for Different Types of Firewood Room Heating Appliances in Austria

Reichert G, Schmidl C, Haslinger W, Schwabl M, Moser W, Aigenbauer S, Wöhler M, Hochenauer C. Investigation of User Behavior and Assessment of Typical Operation Mode for Different Types of Firewood Room Heating Appliances in Austria. Renewable Energy. August 2016;93: 245-254.


Contributions to trade journals | 2016

Reaction mechanisms and multi-scale modelling of lignocellulosic biomass pyrolysis

Anca-Couce, A. Reaction mechanisms and multi-scale modelling of lignocellulosic biomass pyrolysis. Progress in Energy and Combustion Science. Volume 53, March 2016, Pages 41–79.


Contributions to trade journals | 2016

Short term online corrosion measurements in biomass fired boilers. Part 2: Investigation of the corrosion behavior of three selected superheater steels for two biomass fuels

Retschitzegger, S., Gruber, T., Brunner, T., Obernberger, I. Short term online corrosion measurements in biomass fired boilers. Part 2: Investigation of the corrosion behavior of three selected superheater steels for two biomass fuels. Fuel Processing Technology. Volume 142, February 2016, Pages 59-70.


Studien | 2016

The Virtual Biomass Grate Furnace - An Overall CFD Model for Biomass Combustion Plants

Ali Shiehnejadhesar, Ramin Mehrabian, Robert Scharler, Christoph Hochenauer. The Virtual Biomass Grate Furnace - An Overall CFD Model for Biomass Combustion Plants. 24rd European Biomass Conference & Exhibition (poster).


Contributions to trade journals | 2016

The wood pellet market in Austria: A structural market model analysis

Christa Kristöfel, Christoph Strasser, Erwin Schmid, Ulrich B. Morawetz, The wood pellet market in Austria: A structural market model analysis, Energy Policy, Volume 88, January 2016, Pages 402-412,

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Conference contributions | 2015

"Investigations on the catalytic activity of bed material coating regarding the water-gas-shift reaction and the steam reforming of model compounds for lighter and heavier hydrocarbons"

Kuba M, Havlik F, Kirnbauer F, Hofbauer H. Investigations on the catalytic activity of bed material coating regarding the water-gas-shift reaction and the steam reforming of model compounds for lighter and heavier hydrocarbons, 23rd European Biomass Conference 2015, 1st-4th of June 2015, Vienna, Austria. (oral presentation)


Conference contributions | 2015

"Validation of a Kinetic Model for the Catalyzed Water Gas Shift Reaction Applying a Fe/Cr Catalyst Processing Wood Gas from Biomass Steam Gasification"

Kraussler M, Fail S, Plaza Quevedo A, Cortes Guerro JA, Rauch R, Hofbauer H. Validation of a Kinetic Model for the Catalyzed Water Gas Shift Reaction Applying a Fe/Cr Catalyst Processing Wood Gas from Biomass Steam Gasification, 23rd European Biomass Conference 2015, 1st-4th of June 2015, Vienna, Austria. (visual presentation)


Contributions to trade journals | 2015

Air staging to reduce emissions from energy crop combustion in small scale applications

Carroll JP, Finnan JM, Biedermann F, Brunner T, Obernberger I. Air staging to reduce emissions from energy crop combustion in small scale applications. Fuel. 2015;155:37-43.

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The results of experimental work to investigate the effects of air staging on emissions from energy crop combustion in small scale applications are presented. Five different biomass fuels (wood, willow, miscanthus, tall fescue and cocksfoot) were combusted in a small scale (35 kW) biomass boiler and three different tests looking at the effects of (1) air ratio in the primary combustion chamber (primary air ratio), (2) temperature in the primary combustion chamber, and (3) overall excess air ratio, on NOx and particulate emissions were conducted. It was shown that by varying the primary air ratio, NOx emission reductions of between 15% (wood) and 30% (Miscanthus) and PM1 reductions of between 16% (cocksfoot) and 26% (wood) were possible. For all fuels, both NOx and particulate emissions were minimised at a primary air ratio of 0.8. Particulate emissions from miscanthus increased with increasing temperature in the primary combustion chamber, NOx emissions from Miscanthus and from willow also increased with temperature. Overall excess air ratio has no effect on emissions as no significant differences were found for any of the fuels. Emissions of particulates and oxides of nitrogen from a wide range of biomass feedstocks can be minimised by optimising the primary air ratio and by maintaining a temperature in the primary combustion chamber of approximately 900 °C.


Contributions to trade journals | 2015

Anaerobic digestion of thermal pretreated brewers' spent grains

Bochmann G, Drosg B, Fuchs W. Anaerobic digestion of thermal pretreated brewers' spent grains. Environmental Progress and Sustainable Energy. 2015;34(4):1092-6.

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Anaerobic digestion offers a good opportunity to degrade residues from breweries to biogas. To improve the anaerobic degradation process thermal pretreatment of brewers' spent grains (BSG) offers the opportunity to increase degradation rate and biogas yield. Aim of the work is to show the influence of the thermal pretreatment of BSG to anaerobic digestion. BSG were pretreated at different temperature levels from 100 to 200°C. The biogas production of thermally pretreated BSG lies between 30 and 40% higher than for untreated reference. The temperature of the pretreatment process has a significant influence on the degradation rate or gas yield, respectively. Up to a temperature of 160°C, the biogas yield rises. Temperatures over 160°C result in a slower degradation and decreasing biogas yield. Substrate with and without pretreatment gave a daily biogas yield of 430 and 389 Nm3 × kg-1 VS, respectively. Batch analysis of the biochemical methane potential gives a total methane yield of 409.8 Nm3 CH4 × kg-1 VS of untreated brewers' spent grains and 467.6 Nm3 CH4 × kg-1 VS of the pretreated samples. For pretreatment energy balance estimation has been carried out. Without any heat recovery demand is higher than the energy surplus resulting from pretreatment of BSG. With energy recovery by heat exchanger the net energy yield could be increased to 38.87 kWh × kg-1 FM or 8.81%. © 2015 American Institute of Chemical Engineers Environ Prog.


Contributions to trade journals | 2015

Anaerobic digestion of thermal pretreated brewers' spent grains

Bochmann G, Drosg B, Fuchs W. Anaerobic digestion of thermal pretreated brewers' spent grains. Environ Prog Sustainable Energy 2015;34(4):1092-1096.

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Contributions to trade journals | 2015

Application of an empirical model in CFD simulations to predict the local high temperature corrosion potential in biomass fired boilers

Gruber T, Scharler R, Obernberger I. Application of an empirical model in CFD simulations to predict the local high temperature corrosion potential in biomass fired boilers. Biomass Bioenergy 2015.

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