Influence of ultrasonic treatment on residue hydrogenation
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摘要: 对四种减压渣油的超声波处理前后渣油加氢反应产物分布研究表明,超声波处理后渣油加氢反应的焦炭和>500℃残渣油收率降低,气体、汽油、柴油和VGO收率提高,轻油产率提高6~10个百分点,渣油转化率增大,轻质化性能明显增强;不同渣油经超声波处理后的加氢反应性能改变不同;利用超声波处理后渣油加氢的虹吸作用模型,从宏观层次解释了超声波改善渣油加氢效果的原因;超声波处理后杂原子的脱除效果均有不同程度的提高,尤其是对金属钒的脱除影响最为明显。超声波处理后加氢残渣油的饱和分和沥青质含量增加,芳香分和胶质的含量减少。Abstract: The effect of ultrasomic treatment on the hydrotreating of residue was studied using 4 vacuum residues. Ultrasonic treatment can change the average structure of residue and the content of SARA fractions, and the structure of asphaltene at the same time, improving the hydrogenation performance. The hydrogenation of residue after ultrasonic treatment makes a decrease in the yield of coke and residue of above 500℃ but a increase in the yield of gas, gasoline, diesel distillate fractions and VGO and an increase of about 6 to 10 percentage points in light oil yield. The conversion of residue is improved, and the upgrading action is apparent. The upgrading of residue with ultrasonic treatment is related to the material type. The changes can be explained by the syphonage model in a macro level. It is also found that the removal of heteroatom, especially vanadium metal, is improved with the average removal rate of over 96%. After hydrogenation of residue, SARA fractions of residue are changed, the content of saturate and asphaltene is increased, but the aromatic and resin is reduced.
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Key words:
- ultrasonic treatment /
- residue hydrotreating /
- asphaltene /
- demetalization /
- removal of heteroatoms
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胡雄, 李延钧, 付晓文, 王强, 梁艳. 石油沥青质特征及其在地球化学中的应用[J]. 西部探矿工程, 2006, 12: 143-145.
(HU Xiong, LI Yan-jun, FU Xiao-wen, WANG Qiang, LIANG Yan. Asphaltenes quality characteristics and its application in geochemistry[J]. West-China Exploration Engineering, 2006, 12: 143-145.)陈士锋, 杨朝合. 渣油加氢转化催化剂初期结焦规律的研究[J]. 燃料化学学报, 2001, 29(5): 395-399.
(CHEN Shi-feng, YANG Chao-he. Studies of initial coke formation on residual hydroconversion catalyst[J]. Journal of Fuel Chemistry and Technology, 2001, 29(5): 395-399.)HIROYUKI S, FUMIO K. Structural change of petroleum asphaltenes and resins by hydrodemetallization[J]. Energy Fuels, 2000, 14(5): 980-985. KELLOMFIKI A. Molar polarizations and dipole moments of bitumens[J]. Fuel, 1991, 70(9): 1103-1104. KAUSHIK P, KUMAR A, BHASKAR T, SHARMA Y K, TANDON D, GOYAL H B. Ultrasound cavitation technique for up-gradation of vacuum residue[J]. Fuel Process Technol, 2012, 93(1): 73-77. GOPINATH R, DALAI A K, ADJAYE J. Effects of ultrasound treatment on the upgradation of heavy gas oil[J]. Energy Fuels, 2006, 20(1): 271-277. 李小强, 赵德智, 王童, 郑连波, 吕京鹏, 申志兵. 超声波作用下重油的热反应研究[J]. 辽宁化工, 2007, 36(1): 23-25.
(LI Xiao-qiang, ZHAO De-zhi, WANG Tong, ZHENG Lian-bo, LV Jing-peng, SHEN Zhi-bing. Research on thermal reaction of heavy oil under function of ultrasonic wave[J]. Liaoning Chemical Industry, 2007, 36(1): 23-25.)RABBANI A, NAJAFI I, GHAZANFARI M H. A new analytical modeling of asphaltene-induced formation damage under ultrasonic stimulation[C]. 6th Congress of Balkan Geophysical Society-Budapest, Hungary, 2011. SHEDID S A. An ultrasonic irradiation technique for treatment of asphaltene deposition[J]. J Pet Sci Technol, 2004, 42(1): 57-70. CHATAKONDU K, GREEN M L H, THOMPSON M E, SUSLICK K S. The enhancement of intercalation reaction by ultrasound[J]. J Chem Soc Chem Common, 1987, (12): 900-901. 石铁磬, 胡云翔, 许志明, 苏桐, 王仁安. 减压渣油特征化参数的研究[J]. 石油学报(石油加工), 1997, 13(2): 1-7.
(SHI Tie-pan, HU Yun-xiang, XU Zhi-ming, SU Tong, WANG Ren-an. Characterization index of petroleum vacuum residua[J]. Acta Petrolei Sinica(Petroleum processing section), 1997, 13(2): 1-7.)YEN T F. The colloidal aspects of a macrostructure of petroleum asphalt[J]. Pet Sci Technol, 1992, 10(4/6): 723-733. ZAKI N S, BARBOOTI M M, BAHA-UDDIN S S, HASSAN E B. Determination of trace metals and their distribution in heavy crude oil distillates (350°C+) by atomic absorption spectrophotometry[J]. Appl Spectrosc, 1989, 43(7): 1257-1259. 秦匡宗, 郭绍辉. 石油沥青质[M]. 北京: 石油工业出版社, 2002: 44-62.
(QIN Kuang-zong, GUO Shao-hui. Petroleum asphaltene[M]. Bei Jing: Petroleum industry press, 2002: 44-62.)
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