You need JavaScript to view this

Challenges in simulation of chemical processes in combustion furnaces

Abstract

The presentation gives an introduction to some of the present issues and problems in treating the complex chemical processes in combustion. The focus is in the coupling of the hydrocarbon combustion process with nitrogen oxide formation and destruction chemistry in practical furnaces or flames. Detailed kinetic modelling based on schemes of elementary reactions are shown to be a useful novel tool for identifying and studying the key reaction paths for nitrogen oxide formation and destruction in various systems. The great importance of the interaction between turbulent mixing and combustion chemistry is demonstrated by the sensitivity of both methane oxidation chemistry and fuel nitrogen conversion chemistry to the reactor and mixing pattern chosen for the kinetic calculations. The fluidized bed combustion (FBC) nitrogen chemistry involves several important heterogeneous reactions. Particularly the char in the bed plays an essential role. Recent research has advanced rapidly and the presentation proposes an overall picture of the fuel nitrogen reaction routes in circulating FBC conditions. (author)
Authors:
Hupa, M; Kilpinen, P [1] 
  1. Aabo Akademi, Turku (Finland)
Publication Date:
Dec 31, 1996
Product Type:
Conference
Report Number:
TKK-V-B117; CONF-9606318-
Reference Number:
SCA: 400800; PA: FI-97:003296; EDB-97:062402; SN: 97001773790
Resource Relation:
Conference: 3. colloquium on process simulation, Espoo (Finland), 11-14 Jun 1996; Other Information: PBD: 1996; Related Information: Is Part Of The 3rd colloquium on process simulation. Proceedings; Jokilaakso, A. [ed.]; PB: 359 p.
Subject:
40 CHEMISTRY; COMBUSTION KINETICS; FLUIDIZED-BED COMBUSTION; FURNACES; COMBUSTION PRODUCTS; NITROGEN OXIDES
OSTI ID:
464559
Research Organizations:
Helsinki Univ. of Technology, Otaniemi (Finland). Lab. of Materials Processing and Powder Metallurgy
Country of Origin:
Finland
Language:
English
Other Identifying Numbers:
Other: ON: DE97740683; ISBN 951-22-3092-5; TRN: FI9703296
Availability:
OSTI as DE97740683
Submitting Site:
FI
Size:
pp. 133-147
Announcement Date:

Citation Formats

Hupa, M, and Kilpinen, P. Challenges in simulation of chemical processes in combustion furnaces. Finland: N. p., 1996. Web.
Hupa, M, & Kilpinen, P. Challenges in simulation of chemical processes in combustion furnaces. Finland.
Hupa, M, and Kilpinen, P. 1996. "Challenges in simulation of chemical processes in combustion furnaces." Finland.
@misc{etde_464559,
title = {Challenges in simulation of chemical processes in combustion furnaces}
author = {Hupa, M, and Kilpinen, P}
abstractNote = {The presentation gives an introduction to some of the present issues and problems in treating the complex chemical processes in combustion. The focus is in the coupling of the hydrocarbon combustion process with nitrogen oxide formation and destruction chemistry in practical furnaces or flames. Detailed kinetic modelling based on schemes of elementary reactions are shown to be a useful novel tool for identifying and studying the key reaction paths for nitrogen oxide formation and destruction in various systems. The great importance of the interaction between turbulent mixing and combustion chemistry is demonstrated by the sensitivity of both methane oxidation chemistry and fuel nitrogen conversion chemistry to the reactor and mixing pattern chosen for the kinetic calculations. The fluidized bed combustion (FBC) nitrogen chemistry involves several important heterogeneous reactions. Particularly the char in the bed plays an essential role. Recent research has advanced rapidly and the presentation proposes an overall picture of the fuel nitrogen reaction routes in circulating FBC conditions. (author)}
place = {Finland}
year = {1996}
month = {Dec}
}