Light olefins and light oil production from catalytic pyrolysis of waste tire |
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| Institution: | 1. Program in Petrochemistry and Polymer Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;2. Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;3. Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand;1. S?rnak University, Energy System Engineering Department, S?rnak, Turkey;2. University of Gaziantep, Mechanical Engineering Department, Gaziantep, Turkey;1. Discipline of Chemical Engineering, University of KwaZulu-Natal, 238 Mazisi Kunene Road, Glenwood, Durban, 4041, South Africa;2. Department of Process Engineering, Stellenbosch University, Private Bag X1, Matieland, 7602, Stellenbosch, South Africa;3. Department of Chemical and Environmental Engineering, University of the Basque Country UPV/EHU, Nieves Cano 12, 01006 Vitoria-Gasteiz, Spain;4. Department of Chemical Engineering, University of the Basque Country UPV/EHU, P.O. Box 644-E48080, Bilbao, Spain;1. Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran;2. Department of Chemistry, Isfahan University of Technology, Isfahan, Iran;3. Faculty of Sciences, Birjand University, Birjand, Iran |
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| Abstract: | This paper investigates the catalytic activity of MCM-41 synthesized via silatrane route and Ru/MCM-41 in waste tire pyrolysis. The experimental results showed that the presence of catalysts strongly influenced the yield and nature of products. Namely, the gas yield increased at the expense of liquid yield. In addition, a considerable high yield of light olefins, 4 times higher than non-catalytic pyrolysis, can be achieved for Ru/MCM-41 catalyst. Furthermore, the uses of catalysts produced much lighter oil and there was a drastic increase in the concentration of single ring aromatics in accordance to a reduction in polycyclic aromatic compounds in the derived oils. Ru/MCM-41 produced the lightest oil and the oil has the highest concentration of mono-aromatics. The high activity of catalysts, particularly Ru/MCM-41 was discussed in relation with the catalyst characterization results obtained from various techniques including TPD-NH3, H2-chemisorption, XRD, N2-adsorption/desorption analysis, and TPO. |
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