Effect of Ul trasound Frequency and Intensity on VGO Oxidative Desulfurization

Journal of Liaoning Petrochemical University ›› 2007, Vol. 27 ›› Issue (1): 14-16.

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Effect of Ul trasound Frequency and Intensity on VGO Oxidative Desulfurization

School of Petrochemical Technology , Liaoning University of Petroleum &Chemical Technology ,Fushun Liaoning 113001, P .R .China

Received:2006-06-30 Published:2007-03-20 Online:2017-07-05

超声功率及声强对直馏蜡油氧化脱硫的影响

王秀芬, 赵德智^＊

辽宁石油化工大学石油化工学院, 辽宁抚顺113001

作者简介:王秀芬(1980 -), 女, 辽宁朝阳市, 在读硕士。

Abstract

Abstract:

　Formic acid/ H₂O₂ catalysis oxidation system was used to remove organo - sulfur compounds in VGO with assistance of ultrasound irradiation and DMF as extraction solvent .The effects of different factors such as extraction conditions , ultrasonic frequency and intensity of ultrasound were studied.Under optimum conditions of oxidation, extraction and ultrasound irradiation, 75 % sulfur in VGO is removed in 9 min and the yield of the desulfurized VGO is 90 %.The results show that the best operation conditions are as follows:extraction time is 10 min , ratio of extract solvent and oil is 1 ∶2,extraction frequency is 4 .

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Key words: 　VGO, , Ultrasound , , Oxidative desulfurization , , Solvent extraction

摘要： 　选用甲酸/ H₂O₂ 为催化氧化体系, DMF 为抽提溶剂, 在超声波的作用下, 催化氧化脱除直馏蜡油中的硫化物。考察不同的抽提条件、超声频率及声强对脱硫效果的影响。在最佳氧化抽提条件下对直馏蜡油进行氧化脱硫, 9 min 内就可以使脱硫率达到75%以上, 油收率在90 %以上。结果表明, 在抽提时间为10 min , 剂油体积比为1∶2 , 抽提次数为4 次的条件下脱硫效果最佳。

关键词: 　直馏蜡油, , 超声波, 　氧化脱硫, 　抽提

CLC Number:

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WANG Xiu -fen,ZHAO De -zhi . Effect of Ul trasound Frequency and Intensity on VGO Oxidative Desulfurization[J]. Journal of Liaoning Petrochemical University, 2007, 27(1): 14-16.

王秀芬, 赵德智. 超声功率及声强对直馏蜡油氧化脱硫的影响[J]. 辽宁石油化工大学学报, 2007, 27(1): 14-16.

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Effect of Ul trasound Frequency and Intensity on VGO Oxidative Desulfurization

超声功率及声强对直馏蜡油氧化脱硫的影响

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