Cover Image

STUDY OF EVAPORATION RATE AND IGNITION OF VAPORS ABOVE REFINERY WASTEWATER CONTAMINATED WITH A MIXTURE OF HYDROCARBONS

Study of fire and explosion is very important mainly in refineries and industries due to several accidents which have been reported in the past and present. This study investigates the possibility of the occurrence of fire accident occasioned by the vaporization of hydrocarbon components derived...

Full description

Saved in:
Bibliographic Details
Main Author: BOHER @ BUJANG AMRI, NUR IZZATI
Format: Final Year Project
Language:English
Published: Universiti Teknologi Petronas 2011
Subjects:
TP Chemical technology
Online Access:http://utpedia.utp.edu.my/8943/1/2011-Study%20Of%20Evaporation%20Rate%20And%20Ignition%20Of%20Vapors%20Above%20Refinery%20Wastewater%20Contaminated%20With.pdf
http://utpedia.utp.edu.my/8943/
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-utp-utpedia.8943
record_format eprints
spelling my-utp-utpedia.89432017-01-25T09:41:33Z http://utpedia.utp.edu.my/8943/ STUDY OF EVAPORATION RATE AND IGNITION OF VAPORS ABOVE REFINERY WASTEWATER CONTAMINATED WITH A MIXTURE OF HYDROCARBONS BOHER @ BUJANG AMRI, NUR IZZATI TP Chemical technology Study of fire and explosion is very important mainly in refineries and industries due to several accidents which have been reported in the past and present. This study investigates the possibility of the occurrence of fire accident occasioned by the vaporization of hydrocarbon components derived from refinery wastewater drainage systems. In this study, liquid sample containing mixtures of hydrocarbon products and water were collected from a refinery's drainage systems and subjected to a distillation process to separate the water contents. The oil-liquid phase was analyzed using Gas Chromatography Mass Spectrometry (GC-MS) to examine the compositions of the sample. The results obtained indicate that there are 77 hydrocarbon components ranging from C9 to C22• Mole fractions of components in the liquid phase were obtained from the GC resnlts, while the mole fractions of gas components in gas phase were calcnlated via modified Raoult's Law. The evaporation rate and ignition of vapour above refinery wastewater contaminated by mixture of hydrocarbon were assessed. Evaporation Rate, Qm of each hydrocarbon was estimated by using generalized expression as proposed by Crowl and Louvar, (2002) and the Minimum Ignition Energy, MIE of each component was determine by interpolating the graph ofMIE versus Mass Transfer Number, Bas introduced by Ballal (1938b). From the calculations, 2-methyl-octane at peak number 53 has been identified to have the fastest Qm which is equal to 27.04 g/min and 1, 7-dimethyl-naphtalene at peak number 63 has been identified to have the lowest MIE. I -nonadecanol at peak number 40 has been identified to have the slowest Qm that is equal to 0.0000157 g/min and largest MIE value that is equal to 2.620 mJ. This calculation indirectly indicates that 1- nonadecanol is hard to. be ignited and takes longer time to vapourized. The resnlts also shows that evaporation rate of components presented in the drainage system is affected by its flash point, volume percent and vapour pressure. Minimum ignition energy of the components is affected by its flash point, volume percent and the number of carbons that make up the structural of the components. The findings of this study can be used to minimize fire hazards associated with presence of hydrocarbon vapours derived from refmery wastewater streams. Universiti Teknologi Petronas 2011-09 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/8943/1/2011-Study%20Of%20Evaporation%20Rate%20And%20Ignition%20Of%20Vapors%20Above%20Refinery%20Wastewater%20Contaminated%20With.pdf BOHER @ BUJANG AMRI, NUR IZZATI (2011) STUDY OF EVAPORATION RATE AND IGNITION OF VAPORS ABOVE REFINERY WASTEWATER CONTAMINATED WITH A MIXTURE OF HYDROCARBONS. Universiti Teknologi Petronas. (Unpublished)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
BOHER @ BUJANG AMRI, NUR IZZATI
STUDY OF EVAPORATION RATE AND IGNITION OF VAPORS ABOVE REFINERY WASTEWATER CONTAMINATED WITH A MIXTURE OF HYDROCARBONS
description Study of fire and explosion is very important mainly in refineries and industries due to several accidents which have been reported in the past and present. This study investigates the possibility of the occurrence of fire accident occasioned by the vaporization of hydrocarbon components derived from refinery wastewater drainage systems. In this study, liquid sample containing mixtures of hydrocarbon products and water were collected from a refinery's drainage systems and subjected to a distillation process to separate the water contents. The oil-liquid phase was analyzed using Gas Chromatography Mass Spectrometry (GC-MS) to examine the compositions of the sample. The results obtained indicate that there are 77 hydrocarbon components ranging from C9 to C22• Mole fractions of components in the liquid phase were obtained from the GC resnlts, while the mole fractions of gas components in gas phase were calcnlated via modified Raoult's Law. The evaporation rate and ignition of vapour above refinery wastewater contaminated by mixture of hydrocarbon were assessed. Evaporation Rate, Qm of each hydrocarbon was estimated by using generalized expression as proposed by Crowl and Louvar, (2002) and the Minimum Ignition Energy, MIE of each component was determine by interpolating the graph ofMIE versus Mass Transfer Number, Bas introduced by Ballal (1938b). From the calculations, 2-methyl-octane at peak number 53 has been identified to have the fastest Qm which is equal to 27.04 g/min and 1, 7-dimethyl-naphtalene at peak number 63 has been identified to have the lowest MIE. I -nonadecanol at peak number 40 has been identified to have the slowest Qm that is equal to 0.0000157 g/min and largest MIE value that is equal to 2.620 mJ. This calculation indirectly indicates that 1- nonadecanol is hard to. be ignited and takes longer time to vapourized. The resnlts also shows that evaporation rate of components presented in the drainage system is affected by its flash point, volume percent and vapour pressure. Minimum ignition energy of the components is affected by its flash point, volume percent and the number of carbons that make up the structural of the components. The findings of this study can be used to minimize fire hazards associated with presence of hydrocarbon vapours derived from refmery wastewater streams.
format Final Year Project
author BOHER @ BUJANG AMRI, NUR IZZATI
author_facet BOHER @ BUJANG AMRI, NUR IZZATI
author_sort BOHER @ BUJANG AMRI, NUR IZZATI
title STUDY OF EVAPORATION RATE AND IGNITION OF VAPORS ABOVE REFINERY WASTEWATER CONTAMINATED WITH A MIXTURE OF HYDROCARBONS
title_short STUDY OF EVAPORATION RATE AND IGNITION OF VAPORS ABOVE REFINERY WASTEWATER CONTAMINATED WITH A MIXTURE OF HYDROCARBONS
title_full STUDY OF EVAPORATION RATE AND IGNITION OF VAPORS ABOVE REFINERY WASTEWATER CONTAMINATED WITH A MIXTURE OF HYDROCARBONS
title_fullStr STUDY OF EVAPORATION RATE AND IGNITION OF VAPORS ABOVE REFINERY WASTEWATER CONTAMINATED WITH A MIXTURE OF HYDROCARBONS
title_full_unstemmed STUDY OF EVAPORATION RATE AND IGNITION OF VAPORS ABOVE REFINERY WASTEWATER CONTAMINATED WITH A MIXTURE OF HYDROCARBONS
title_sort study of evaporation rate and ignition of vapors above refinery wastewater contaminated with a mixture of hydrocarbons
publisher Universiti Teknologi Petronas
publishDate 2011
url http://utpedia.utp.edu.my/8943/1/2011-Study%20Of%20Evaporation%20Rate%20And%20Ignition%20Of%20Vapors%20Above%20Refinery%20Wastewater%20Contaminated%20With.pdf
http://utpedia.utp.edu.my/8943/
_version_ 1739831617584627712
score 13.211869

Similar Items