Ganiger, S.Patil, S.S.Prasad Dasari, H.P.Priyanka, R.Kollimarla, S.2026-02-042022Chemical Engineering Science, 2022, 247, , pp. -92509https://doi.org/10.1016/j.ces.2021.117016https://idr.nitk.ac.in/handle/123456789/22707Printex-U carbon (Pure Soot, S<inf>0</inf>) on alumina (S<inf>A</inf>) and quartz (S<inf>Q</inf>) powder were considered to understand the behaviour of oxidation reaction and kinetic analysis. A similar model of the single-step reaction was followed by the Soot (S<inf>0</inf>) and S<inf>A</inf> sample, while S<inf>Q</inf> followed a complex mechanism of multiple-step reactions. From the experimental and theoretical calculations, it was observed that there was a slight decrease in the T<inf>50</inf> temperature for S<inf>A</inf>, which also had the lowest E<inf>a</inf>, but there was an increase in T<inf>50</inf> and E<inf>a</inf> for S<inf>Q</inf> compared to the S<inf>0</inf> sample. From the present study, it can be understood that the alumina enhanced the catalytic activity when compared to pure soot alone, whereas quartz inhibited the activity. The T<inf>50</inf> temperature, E<inf>a</inf>, and A calculated were obtained in S<inf>A</inf> < S<inf>0</inf> < S<inf>Q</inf>. The soot properties and their kinetics will further help to design catalyzed diesel particulate filters. © 2021 Elsevier LtdAluminaAluminum oxideCatalyst activityDustKineticsOxidationQuartzReaction kineticsSootEnergyKinetic behaviorOxidation kineticsOxidation reactionsPreexponential factorReaction analysisReaction modelReactions and kineticsSoot oxidationSoot oxidation kineticActivation energy