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《Acta Petrolei Sinica(Petroleum Processing Section)》 2015-01
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Characteristics of Yanchang Pipeline Crude Oil Components and Its Wax Deposition Behavior

CHEN Gang;SU Huijun;LI Jing;ZHANG Jie;College of Chemistry and Chemical Engineering,Xi'an Shiyou University;  
To study the characteristics of components in crude oil,column chromatography separation,Fourier Transform Infrared Spectroscopy(FT-IR),ultraviolet spectrophotometry(UV),differential scanning calorimetry(DSC)and optical microscope were used to separate Yanchang pipeline crude oil into thirteen components(C1-C13)and to investigate the effects of the polar components(C2-C13)on the wax deposition behavior of saturates(C1).The results indicated that there existed some components in crude oil which could effectively inhibit the precipitation of wax crystal.The behaviors of C1 with different polarity components added were quite different from that of the crude oil.The addition of resin and asphaltene to C1 could increase the number of wax crystal particles and decrease the dimensions of the wax particles during the cooling crystallization process,which prevented the particles from contacting and crosslinking each other and forming bulk wax crystal aggregation.
【Fund】: 陕西省科技计划项目(2012KJXX-40);; 陕西省教育厅科研计划项目(2013JK0647)基金资助
【CateGory Index】: TE832.31
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