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Chemcial Industry and Engineering 2015, Vol. 32 Issue (2) :37-42,73    DOI: 10.13353/j.issn.1004.9533.2015.02.007
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Thermal Decomposition of n-Octane in Regenerative Cooling Microchannels at Supercritical Conditions: Product Distributions and Kinetics
Fang Qinghai, Zhang Xiangwen
Key laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

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Abstract Thermal cracking of supercritical hydrocarbon aviation fuels was conducted in an electrically heated tube(2 mm i.d.), detailed information on the product distributions of thermal cracking of n-octane under supercritical conditions(5 MPa, 560—665 ��) were obtained. And residence times along the tube were reported too. Through a new secondary mechanism of C5—C11, the PPD kinetic model proposed by Ward et al. is modified. The reliability of the modified PPD kinetic model is confirmed by the comparison of model predictions with the experimental values.
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Keywords�� n-octane��   high pressure��   supercritical��   microchannel��   thermal cracking kinetics     
Received 2013-05-28;
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Fang Qinghai, Zhang Xiangwen.Thermal Decomposition of n-Octane in Regenerative Cooling Microchannels at Supercritical Conditions: Product Distributions and Kinetics[J]  Chemcial Industry and Engineering, 2015,V32(2): 37-42,73
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