Document Details

Document Type : Thesis 
Document Title :
PM2.5 CHARACTERISTICS AND PLATINUM GROUP ELEMENTS IN PM2.5 IN THE ATMOSPHERE OF JEDDAH CITY
خصائص الجسيمات من نوع PM2.5 في الهواء الجوي بمدينة جدة وتقدير عناصر مجموعة البلاتين فيها
 
Subject : faculty of science 
Document Language : Arabic 
Abstract : Air pollution has become a universal concern. Rapid urbanization and industrialization result in pollutants emission into the environment. A major aspect of air pollution is particulate matter which can be categorized into various types. Particles with diameters smaller than 2.5 g are of a special concern as they tend to penetrate deep into the lungs causing major health effects. As a result research in PM2.5 is extensive throughout the world. One major aspect of PM2.5 research is its chemical composition that includes organics, inorganic ions, black carbon, and elements. Platinum group element received much attention especially Rd, Pd, and Pt as they are increasingly used in the automotive industry in catalytic converters aiming at reducing harmful gaseous emissions. Determination of these elements in PM2.5 is important for assessing how much is introduced into the atmosphere. While many researchers measured these elements in PM2.5 in many cities, no data about them is available for Jeddah city and Saudi Arabia. This study aims to fill this gab in the information about the composition of PM2.5 in the local environment. An 8 months PM2.5 sampling campaign between February and September, 2018 was conducted with the aim to determine PM2.5 mass concentrations and to measure Rh, Pd, and Pt concentrations in the atmosphere of Jeddah city. The range of PM2.5 mass concentrations was determined to be within the range 16-629 g/m3. This range include instances of dust storms. Pd makes up the largest fraction of PGEs contribution compared to Rh and Pt. The highest levels of Pd in PM2.5 revealed that Pd was the major contaminant in samples and clearly reflected a shift in the increased use of this element as the active catalyst material in vehicular catalytic converters. 
Supervisor : Prof. Dr. Mohammad W. Kadi 
Thesis Type : Master Thesis 
Publishing Year : 1441 AH
2019 AD 
Added Date : Tuesday, December 10, 2019 

Researchers

Researcher Name (Arabic)Researcher Name (English)Researcher TypeDr GradeEmail
لؤي هشام عربARAB, LUAI HESHAMResearcherMaster 

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 45663.pdf pdf 

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