Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/3181
Title: Effects of dimethyl ether on n-butane oxidation
Authors: İnal, Fikret
Bekat, Tuğçe
Issue Date: 2011
Publisher: Izmir Institute of Technology
Abstract: Effects of dimethyl ether on the oxidation of n-butane were investigated using Detailed Chemical Kinetic Modeling approach. Oxidation process was carried out in a tubular reactor under laminar flow conditions. The formations of various oxidation products, especially toxic species were investigated for the addition of dimethyl ether in different mole fractions to n-butane. Pure dimethyl ether oxidation was also investigated for comparison. Pure dimethyl ether oxidation resulted in lower mole fractions of carbon monoxide, methane, acetaldehyde and aromatic species, but higher mole fractions of formaldehyde when compared to pure n-butane oxidation. The addition of dimethyl ether to n-butane in different mole fractions was observed to decrease mole fractions of acetaldehyde and aromatic species and increase the mole fraction of formaldehyde, while other toxic species investigated were not affected significantly. The effects of three important process parameters on the formations of oxidation products were also investigated. Inlet temperatures between 500 and 1700 K, pressures of 1 and 5 atm, and equivalence ratios of 2.6 and 3.0 were studied. Increasing pressure and equivalence ratio were observed to increase the mole fractions of toxic species in general. The effect of temperature was more complicated depending on the species and the temperature interval. Reaction path analysis indicated that the most important precursors playing role in the formation of the first ring benzene were acetylene, ethylene, propargyl, allene, allyl, propene and fulvene during n-butane/dimethyl ether oxidation. Finally, a skeletal chemical kinetic mechanism was developed and validated for the oxidation of n-butane/dimethyl ether mixture.
Description: Thesis (Master)--Izmir Institute of Technology, Chemical Engineering, Izmir, 2011
Includes bibliographical references (leaves: 129-133)
Text in English; Abstract: Turkish and English
xiv, 160 leaves
URI: http://hdl.handle.net/11147/3181
Appears in Collections:Master Degree / Yüksek Lisans Tezleri

Files in This Item:
File Description SizeFormat 
T001000.pdfMasterThesis4.19 MBAdobe PDFThumbnail
View/Open
Show full item record

CORE Recommender

Page view(s)

32
checked on Oct 3, 2022

Download(s)

106
checked on Oct 3, 2022

Google ScholarTM

Check


Items in GCRIS Repository are protected by copyright, with all rights reserved, unless otherwise indicated.