| Characteristics and Kinetic Research of the Pyrolysis of Waste Tyre Sidewall Powder |
| Received:February 03, 2015 Revised:February 03, 2015 |
| DOI： |
| Key Words: waste tire；sidewall；rubber powder；pyrolysis；kinetics |
| Author Name | Affiliation | E-mail | | GAI Xikun* | Zhejiang Provincial Key Lab for Chem Bio Processing Technology of Farm Products,School of Biological and Chemical Engineering,Zhejiang University of Science Technology | gaixikun@126.com | | YANG Ruiqin | Zhejiang Provincial Key Lab for Chem Bio Processing Technology of Farm Products,School of Biological and Chemical Engineering,Zhejiang University of Science Technology | | | FANG Yingchao | Zhejiang Provincial Key Lab for Chem Bio Processing Technology of Farm Products,School of Biological and Chemical Engineering,Zhejiang University of Science Technology | | | XING Chuang | Zhejiang Provincial Key Lab for Chem Bio Processing Technology of Farm Products,School of Biological and Chemical Engineering,Zhejiang University of Science Technology | | | GUO Xiaoqing | Zhejiang Provincial Key Lab for Chem Bio Processing Technology of Farm Products,School of Biological and Chemical Engineering,Zhejiang University of Science Technology | | | TIAN Yuanyu | college of Chemical Engineering,China University of Petroleum,Qingdao | |
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| Abstract: |
| The pyrolysis characteristics of the waste tire sidewall rubber powder under different heating rates were investigated by the thermogravimetric analyzer，the kinetics model was established and solved.The results showed that，the pyrolysis temperature interval of waste tire sidewall rubber powder was from 300 to 500 ℃；pyrolysis process has 2 stages，respectively for the decomposition of natural rubber and synthetic rubber；with the increase of heating rate，pyrolysis reaction gradually delayed and the total weight loss during pyrolysis decreased slightly.The pyrolysis process of the tire sidewall rubber powder was described by using first-order reaction model，when the heating rates were 10，20，30，40 and 50 ℃·min-1 respectively，the activation energys were 71.998，69.067，80.779，75.011 and 82.676 kJ·mol-1，the linear fitting correlation coefficients were more than 0.99. |
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