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2012 | 33 | 3 | 487-503
Tytuł artykułu

Thermochemical analysis of a flue gas-driven biomass gasification

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
One of the methods of obtaining energy from renewable sources is the technology of indirect cofiring of biomass. It consists in the gasification of secondary fuel and combustion of the generated gas in the boiler together with its primary fuel. The paper presents a thermodynamic analysis of the use of the boiler flue gases as the converting medium in the process of indirect co-firing - a technology which is being developed at the Institute of Power Engineering and Turbomachinery of the Silesian University of Technology. The basis of the analysis are the data resulting from variant calculations conducted with the use of the Gaseq program. The calculations were made for various compositions of gasified fuel and the converting medium, variable fuel/oxidiser ratios and variable gasification temperatures. As a result, the equilibrium composition and the calorific value of the generated gas were obtained. The main optimisation objective adopted here was the nondimensional efficiency coefficient, which is the ratio of the chemical energy of products to the chemical energy of the process reactants.
Słowa kluczowe
Wydawca

Rocznik
Tom
33
Numer
3
Strony
487-503
Opis fizyczny
Daty
wydano
2012-10-01
otrzymano
zaakceptowano
online
2012-10-31
Twórcy
autor
  • Silesian University of Technology in Gliwice, Institute of Power Engineering and Turbomachinery, 44-100 Gliwice, ul. Konarskiego 20, Poland, rafal.litka@polsl.pl
  • Silesian University of Technology in Gliwice, Institute of Power Engineering and Turbomachinery, 44-100 Gliwice, ul. Konarskiego 20, Poland
Bibliografia
  • Kalina J., 2011. Modelling of fluidized bed biomass gasification in the quasi-equilibrium regime for preliminary performance studies of energy conversion plants. Chem. Process Eng., 32, 73-89. DOI: 10.2478/v10176-011-0007-5.[Crossref][WoS]
  • Kozaczka J., 1994. Gasification processes. Engineering methods of calculations. Wydawnictwa AGH, Cracow (in Polish).
  • Miles T., Baxter L., Bryers R., Jenkins B., Oden L., 1995. Alkali deposits found in biomass power plants: A preliminary investigation of their extent and nature. National Renewable Energy Laboratory, Golden, CO 1995.
  • Nadziakiewicz J., Wacławiak K., Stelmach S., 2007. Thermal processes of waste utilization. Wydawnictwo Politechniki Śląskiej, Gliwice (in Polish).
  • Orłowski P., Dobrzański W., Szwarc E., 1979. Steam boilers. Design and calculations. Wydawnictwa Naukowo-Techniczne, Warsaw (in Polish).
  • Tomeczek J., 1991. Coal gasification. Wydawnictwo Politechniki Śląskiej, Gliwice (in Polish).
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_v10176-012-0041-y
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