Acylation desulfurization of heavy cracking oil as a supplementary oil upgrading pathway

被引：12
作者：
Chen, Xing-Yu [1 ,2 ]
Gao, Jia-Jun [1 ,2 ]
Lu, Ying-Zhou [2 ]
Meng, Hong [2 ]
Li, Chun-Xi [1 ,2 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China
来源：
FUEL PROCESSING TECHNOLOGY | 2015年 / 130卷
基金：
中国国家自然科学基金;
关键词：
Acylation; Heavy cracking oil; DEEP DESULFURIZATION; IONIC LIQUIDS; OXIDATIVE DESULFURIZATION; ADSORPTIVE DESULFURIZATION; EXTRACTIVE DESULFURIZATION; DIESEL FUELS; ACTIVATED CARBON; PI-COMPLEXATION; CATALYSTS; PHOSPHOTUNGSTATE;
D O I：
10.1016/j.fuproc.2014.09.026
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Acylation reaction is used to enhance the basicity and polarity of the thiophenes and thus promote their adsorptive removability by Lewis acid, forming an acylation desulfurization (ADS) process for the refractory sulfurs. The ADS performance of six acylating reagents (ARs) was assessed for heavy cracking oil and light oil at 303 K with AlCl3 as the catalyst, and the influence of ADS on the oil quality was also studied. The results show that ADS is efficient to remove the thiophenes, but less efficient for the removal of mercaptans and thioethers in light oil. S-removal rate of 90.9% was achieved for heavy cracking oil with acetyl bromide (AB)-AlCl3 (AB/S = 2/1; AlCl3/S = 5/1) in 0.5 h. The coexistent olefins and aromatics can slightly deteriorate the ADS performance and influence the oil properties. ADS might be used as a promising sulfur Separating strategy for the cracking oil. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：7 / 11
页数：5
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