STUDY ON THE CATALYTIC OXIDATION OF DIESEL ENGINE SOOT USING IRON OXIDE CATALYSTS

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dc.contributor.authorNAVEED JAN
dc.contributor.authorSupervised By: Dr. Hizbullah Khan
dc.date.accessioned2026-07-28T03:45:33Z
dc.date.available2026-07-28T03:45:33Z
dc.date.issued2011
dc.description.abstractThe wish of all concerned with air pollution is to have a completely unpolluted environmentat no cost to anyone. That appears to be impossible, so our logical goal is to have an appropriately clean environment, obtained at an appropriate cost. The main objective of this research was to control the most annoying air pollutant (soot), emitting from fossil fuel combustion sources, through catalysis. To meet the future soot and other pollutants regulations it is necessary to develop such catalyst systems with the help of whichan efficient removal of soot will be possible. In the present work an environmentally friendly; noble metal free oxidation catalyst Fe,O; was search out. For the catalytic soot oxidation first Fe,O; was characterized by surface area measurement, scanning electron microscopy, and powder X-ray diffraction analysis. The synthesized catalyst was tested for the diesel model exhaust gas using temperature programmed oxidation technique. In this research a particular emphasis was given to the catalytic oxidation of soot on iron oxide. The diesel model soot was prepared by burning a lean C3H¢/O, mixture in a diffusion flame and is subsequently collected with a sinter metal filter. The propene soot as well as other carbon samples (graphite, printex, and activated charcoal) were characterized by surface area measurement, scanning electron microscopy, Fourier transform infrared spectroscopy, temperature programmed desorption, thermogravimatry, and powder X-ray diffraction analysis. The investigation was carried out by using temperature programmed oxidation. The TPO performance in the presence of FeO; with 6, 12, 18, and 20 vol.-% O; leads to a stronger increase in soot oxidation, than the absence of catalyst. FTIR spectroscopy was used for the identification of different surface groups on the soot surface. Different types of surface groups were identified including carbonyl, lactone, aldehyde, carboxylic, ether, etc
dc.identifier.urihttp://repository.uop.edu.pk/123456789/495
dc.language.isoen
dc.publisherDEPARTMENT OF ENVIRONMENTAL SCIENCES
dc.relation.ispartofseries100046
dc.titleSTUDY ON THE CATALYTIC OXIDATION OF DIESEL ENGINE SOOT USING IRON OXIDE CATALYSTS
dc.typeThesis
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