The Development of The Odour Threshold Test for Environmental Odour Assessment

Pengeluaran bau boleh menyebabkan gangguan yang serius kepada penduduk di sekitar kawasan tersebut. Di Malaysia, Olfaktometer digunakan untuk mengukur bau berdasarkan nilai kepekatan bau yang dihasilkan. Olfaktometer tersebut amat mahal dan memerlukan operator profesional dalam pengendaliannya. O...

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Main Author:	Rosli, Ros Nadiah
Format:	Thesis
Language:	English
Published:	2015
Subjects:	T Technology
Online Access:	http://eprints.usm.my/40767/1/The_Development_of_The_Odour_Threshold_Test_for_Environmental_Odour_Assessment.pdf
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id	my-usm-ep.40767
record_format	uketd_dc
spelling	my-usm-ep.407672018-06-12T07:06:33Z The Development of The Odour Threshold Test for Environmental Odour Assessment 2015-04 Rosli, Ros Nadiah T Technology TA1-2040 Engineering (General). Civil engineering (General) Pengeluaran bau boleh menyebabkan gangguan yang serius kepada penduduk di sekitar kawasan tersebut. Di Malaysia, Olfaktometer digunakan untuk mengukur bau berdasarkan nilai kepekatan bau yang dihasilkan. Olfaktometer tersebut amat mahal dan memerlukan operator profesional dalam pengendaliannya. Oleh itu, kajian ini telah dijalankan untuk menghasilkan kaedah pengukuran bau berkonsepkan Beg Bau Tiga Segi. Kaedah pengukuran bau yang dihasilkan di dalam kajian ini mempunyai keunikannya yang tersendiri iaitu roda bau bergambar dan skala keselesaan bau yang digunakan sebagai pengukuran tambahan kepada parameter penilaian bau. Semasa persampelan dan pengukuran bau, sesetengah pembolehubah yang mungkin memberi perubahan kepada nilai kepekatan bau telah dikenalpasti. Pembolehubah tersebut (saiz panel, bilangan beg yang diguna semula dan masa penyimpanan sampel di dalam beg) disaring dengan mengendalikan ujikaji menggunakan rekabentuk factorial. Hasil kajian mendapati hanya bilangan beg yang diguna semula dan masa penyimpanan sampel di dalam beg yang menyebabkan perubahan terhadap nilai kepekatan bau. Di akhir kajian ini, sebuah pokok peramal untuk persampelan dan pengukuran bau dicadangkan untuk analisis pengukuran bau di makmal. Pokok peramal yang dihasilkan di dalam kajian ini berupaya mengenalpasti prosedur penilaian bau dan peralatan yang sesuai untuk digunakan dikawasanpengeluaran bau. ________________________________________________________________________________________________________________________ Odour emissions can cause serious annoyance in the neigbourhood of the emission source. In Malaysia, the Olfactometer is used to measure the odour emission which reports odour concentration value. The Olfactometer is very expensive and requires professional odour operator to conduct the equipment. Therefore, this research was conducted to develop on alternative odour measurement method using the Triangular Odour Bag concept. The uniqueness of this study was the design of an illustrated odour wheel and the pleasantness scales as additional odour assessment parameter. During odour sampling and measurement, several variables that might give changes to odour concentration value have been detected. The variables (size of panels, number of reused odour bag and storage time of the sampling bag) were screened in order to check their significance by conducting experiments using factorial design. The results show that out of the three variables, only the number of reused odour bag and storage time of the sampling bag significantly influence odour concentration. At the end of the study, a decision tree for sampling and odour measurement was suggested for laboratory odour measurement analysis. The decision tree developed from this study enables the identification of the suitable odour assessment procedure and equipments to a site’s condition. 2015-04 Thesis http://eprints.usm.my/40767/ http://eprints.usm.my/40767/1/The_Development_of_The_Odour_Threshold_Test_for_Environmental_Odour_Assessment.pdf application/pdf en public masters Universiti Sains Malaysia Pusat Pengajian Kejuruteraan Awam
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	T Technology T Technology
spellingShingle	T Technology T Technology Rosli, Ros Nadiah The Development of The Odour Threshold Test for Environmental Odour Assessment
description	Pengeluaran bau boleh menyebabkan gangguan yang serius kepada penduduk di sekitar kawasan tersebut. Di Malaysia, Olfaktometer digunakan untuk mengukur bau berdasarkan nilai kepekatan bau yang dihasilkan. Olfaktometer tersebut amat mahal dan memerlukan operator profesional dalam pengendaliannya. Oleh itu, kajian ini telah dijalankan untuk menghasilkan kaedah pengukuran bau berkonsepkan Beg Bau Tiga Segi. Kaedah pengukuran bau yang dihasilkan di dalam kajian ini mempunyai keunikannya yang tersendiri iaitu roda bau bergambar dan skala keselesaan bau yang digunakan sebagai pengukuran tambahan kepada parameter penilaian bau. Semasa persampelan dan pengukuran bau, sesetengah pembolehubah yang mungkin memberi perubahan kepada nilai kepekatan bau telah dikenalpasti. Pembolehubah tersebut (saiz panel, bilangan beg yang diguna semula dan masa penyimpanan sampel di dalam beg) disaring dengan mengendalikan ujikaji menggunakan rekabentuk factorial. Hasil kajian mendapati hanya bilangan beg yang diguna semula dan masa penyimpanan sampel di dalam beg yang menyebabkan perubahan terhadap nilai kepekatan bau. Di akhir kajian ini, sebuah pokok peramal untuk persampelan dan pengukuran bau dicadangkan untuk analisis pengukuran bau di makmal. Pokok peramal yang dihasilkan di dalam kajian ini berupaya mengenalpasti prosedur penilaian bau dan peralatan yang sesuai untuk digunakan dikawasanpengeluaran bau. ________________________________________________________________________________________________________________________ Odour emissions can cause serious annoyance in the neigbourhood of the emission source. In Malaysia, the Olfactometer is used to measure the odour emission which reports odour concentration value. The Olfactometer is very expensive and requires professional odour operator to conduct the equipment. Therefore, this research was conducted to develop on alternative odour measurement method using the Triangular Odour Bag concept. The uniqueness of this study was the design of an illustrated odour wheel and the pleasantness scales as additional odour assessment parameter. During odour sampling and measurement, several variables that might give changes to odour concentration value have been detected. The variables (size of panels, number of reused odour bag and storage time of the sampling bag) were screened in order to check their significance by conducting experiments using factorial design. The results show that out of the three variables, only the number of reused odour bag and storage time of the sampling bag significantly influence odour concentration. At the end of the study, a decision tree for sampling and odour measurement was suggested for laboratory odour measurement analysis. The decision tree developed from this study enables the identification of the suitable odour assessment procedure and equipments to a site’s condition.
format	Thesis
qualification_level	Master's degree
author	Rosli, Ros Nadiah
author_facet	Rosli, Ros Nadiah
author_sort	Rosli, Ros Nadiah
title	The Development of The Odour Threshold Test for Environmental Odour Assessment
title_short	The Development of The Odour Threshold Test for Environmental Odour Assessment
title_full	The Development of The Odour Threshold Test for Environmental Odour Assessment
title_fullStr	The Development of The Odour Threshold Test for Environmental Odour Assessment
title_full_unstemmed	The Development of The Odour Threshold Test for Environmental Odour Assessment
title_sort	development of the odour threshold test for environmental odour assessment
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Kejuruteraan Awam
publishDate	2015
url	http://eprints.usm.my/40767/1/The_Development_of_The_Odour_Threshold_Test_for_Environmental_Odour_Assessment.pdf
_version_	1747820818711183360

The Development of The Odour Threshold Test for Environmental Odour Assessment

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