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EXPERIMENTAL VERIFICATION FOR PROCESS MODELING OF COKING HEATER INNER TUBE

The flow and reaction processes of vacuum residue were simulated in an electric heated tube for coking heater. The vacuum residue was pumped into the tube, and heated up to about 500°C to carry out thermal conversion. Gaseous products were measured by gas meter and analyzed by gas chromatography. Th...

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Bibliographic Details
Published in:Petroleum science and technology 2002-01, Vol.20 (5-6), p.613-620
Main Authors: Xiao, Jiazhi, Wang, Lanjuan, Chen, Qinglin, Song, Antai
Format: Article
Language:English
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Summary:The flow and reaction processes of vacuum residue were simulated in an electric heated tube for coking heater. The vacuum residue was pumped into the tube, and heated up to about 500°C to carry out thermal conversion. Gaseous products were measured by gas meter and analyzed by gas chromatography. The liquid products were first quenched and collected by a specially designed sampling tube, and then analyzed by liquid chromatography. Therefore, the conversion fraction of every narrow fraction was obtained experimentally. Both flow and reaction processes were simulated using a dynamic model, the simulated conversion at exit of the tube is near to the experimental data under three dynamic conditions. This indicates that the model for flow and reaction processes used in this paper is reasonable.
ISSN:1091-6466
1532-2459
DOI:10.1081/LFT-120003584