光谱学与光谱分析 |
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Rapid Quantitative Analysis of Hydrocarbon Composition of Furfural Extract Oils Using Attenuated Total Reflection Infrared Spectroscopy |
LI Na1, YUAN Hong-fu1*, HU Ai-qin1, LIU Wei1, SONG Chun-feng1, LI Xiao-yu1, SONG Yi-chang2, HE Qi-jun2, LIU Sha2, XU Xiao-xuan3 |
1. College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China 2. SINOPEC Beijing Yanshan Petrochemical Co., Ltd., Beijing 102500, China 3. School of Physics,Nankai University, Tianjin 300071, China |
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Abstract A set of rapid analysis system for hydrocarbon composition of heavy oils was designed using attenuated total reflection FTIR spectrometer and chemometrics to determine the hydrocarbon composition of furfural extract oils. Sixty two extract oil samples were collected and their saturates and aromatics content data were determined according to the standard NB/SH/T0509-2010,then the total contents of resins plus asphaltenes were calculated by the subtraction method in the percentage of weight. Based on the partial least squares(PLS), calibration models for saturates, aromatics, and resin+asphaltene contents were established using attenuated total reflection FTIR spectroscopy, with their SEC, 1.43%, 0.91% and 1.61%, SEP, 1.56%, 1.24% and 1.81%,respectively,meeting the accuracy and repeatability required for the standard. Compared to the present standard method,the efficiency of hydrocarbon composition analysis for furfural extract oils is significantly improved by the new method which is rapid and simple. The system could also be used for other heavy oil analysis, with excellent extension and application foreground.
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Received: 2013-09-11
Accepted: 2014-01-01
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Corresponding Authors:
YUAN Hong-fu
E-mail: hfyuan@mail.buct.edu.cn
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