Oxy-combustion of biomass in a circulating fluidized bed

• Autorzy: Kosowska-Golachowska M. , Kijo-Kleczkowska A. , Luckos A. , Wolski K. , Musiał T.

Identyfikatory

DOI

10.1515/aoter-2016-0002

• Języki publikacji: EN

Abstrakty

EN

The objective of this study was to investigate combustion characteristics of biomass (willow, Salix viminalis) burnt in air and O₂/CO₂ mixtures in a circulating fluidized bed (CFB). Air and oxy-combustion characteristics of wooden biomass in CFB were supplemented by the thermogravimetric and differential thermal analyses (TGA/DTA). The results of conducted CFB and TGA tests show that the composition of the oxidizing atmosphere strongly influences the combustion process of biomass fuels. Replacing N₂ in the combustion environment by CO₂ caused slight delay (higher ignition temperature and lower maximum mass loss rate) in the combustion of wooden biomass. The combustion process in O₂/CO₂ mixtures at 30% and 40% O₂ is faster and shorter than that at lower O₂ concentrations.

Słowa kluczowe

EN

biomass; Salix viminalis; oxy-fuel combustion; CFB; TG/DTA

PL

biomasa; wierzba wiciowa; spalanie tlenowe

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2016
• Tom: Vol. 37, no. 1
• Strony: 17--30
• Opis fizyczny: Bibliogr. 8 poz., rys., tab.

Twórcy

autor

Kosowska-Golachowska M.

• Czestochowa University of Technology, Institute of Thermal Machinery Armii Krajowej 21, 42-201 Czestochowa, Poland

autor

Kijo-Kleczkowska A.

• Czestochowa University of Technology, Institute of Thermal Machinery Armii Krajowej 21, 42-201 Czestochowa, Poland

autor

Luckos A.

• Sasol Group Technology, 1 Klasie Havenga Road, Sasolburg 1947, South Africa

autor

Wolski K.

• Czestochowa University of Technology, Institute of Thermal Machinery Armii Krajowej 21, 42-201 Czestochowa, Poland

autor

Musiał T.

• Czestochowa University of Technology, Institute of Thermal Machinery Armii Krajowej 21, 42-201 Czestochowa, Poland

Bibliografia

• [1] Natunen M., Jäntti T., Goral D., Nuortimo K.: First Operating Experiences of 55 MWe Konin and 205 MWe Połaniec CF Boilers Firing 100% Biomass. PowerGen Europe 2013.
• [2] Kosowska-Golachowska M., Luckos A., Klos K., Musial T.: Oxy-combustion of different coals in a circulating fluidized bed. In: Proc. 10th Int. Conf. Circulating Fluidized Beds and Fluidization Technology – CFB-10 (T.M. Knowlton, Ed.), 481–488, Sun River, May 1–5, 2011.
• [3] Chen Y., Mori S., Pan W.: Studying the mechanisms of ignition of coal particles by TG-DTA. Thermochimica Acta 275(1996), 149–158.
• [4] Gil M.V., Riaza J., Alvarez L., Pevida C., Pis J.J., Rubiera F.: A study of oxy-coal combustion with steam addition and biomass blending by thermogravimetric analysis. J. Therm. Anal. Calorim. 109(2012), 49–55.
• [5] Yuzbasi N.S., Selçuk N.: Air and oxy-combustion characteristics of biomass/lignite blends in TGA-FTIR. Fuel Process. Technol. 92(2011), 1101–1108.
• [6] Grotkær T., Johansen K.D., Jensen A.D., Glarborg P.: An experimental study of biomass ignition. Fuel 82(2003), 825–833.
• [7] Faúndez J., Arenillas A., Rubiera F., Garcia X., Gordon A.L., Pis J.J.: Ignitron behaviour of different rank coals in an entrained flow reactor. Fuel 84(2005), 2172–2177.
• [8] Kosowska-Golachowska M., Gajewski W., Musiał T.: Determination of the effective thermal conductivity of solid fuels by the laser flash method. Arch. Thermodyn. 35(2014), 3, 3–16.

Uwagi

EN

This work was financially supported by the National Science Centre (Poland) under grant No. N N512 457940 and grant allocated on the basis of the decision No. DEC 2012/07/B/ST8/03730. The support is gratefully acknowledged.