Light olefins and light oil production from catalytic pyrolysis of waste tire

被引:73
作者
Dung, Nguyen Anh [1 ]
Klaewkla, Raweewan [1 ]
Wongkasemjit, Sujitra [1 ]
Jitkarnka, Sirirat [1 ]
机构
[1] Chulalongkorn Univ, Ctr Excellence Petr Petrochem & Adv Mat, Petr & Petrochem Coll, Bangkok 10330, Thailand
关键词
Waste tire; Pyrolysis; Ru; Silica MCM-41; Light olefin; Aromatics; MESOPOROUS MCM-41; TYRE PYROLYSIS; N-OCTANE; HYDROGENATION; CRACKING; NAPHTHALENE; GAS; RU;
D O I
10.1016/j.jaap.2009.07.006
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
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, H-2-chemisorption, XRD, N-2-adsorption/desorption analysis, and TPO. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:281 / 286
页数:6
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