Zn-Containing Ionic Liquids for the Extractive Denitrogenation of a Model Oil: A Mechanistic Consideration

被引：62

作者：

Huh, Eun Soo ^{[1
,2
]}

Zazybin, Alexey ^{[1
,2
]}

Palgunadi, Jelliarko ^{[1
,2
,3
]}

Ahn, Sungho ^{[4
]}

Hong, Jongki ^{[4
]}

Kim, Hoon Sik ^{[1
,2
]}

Cheong, Minserk ^{[1
,2
]}

Ahn, Byoung Sung ^{[3
]}

机构：

[1] Kyung Hee Univ, Dept Chem, Seoul 130701, South Korea

[2] Kyung Hee Univ, Res Inst Basic Sci, Seoul 130701, South Korea

[3] Korea Inst Sci & Technol, Clean Energy Res Ctr, Seoul 136791, South Korea

[4] Kyung Hee Univ, Coll Pharm, Seoul 130701, South Korea

来源：

ENERGY & FUELS | 2009年 / 23卷 / 5-6期

关键词：

NITROGEN-COMPOUNDS; DEEP DESULFURIZATION; ADSORPTION; FUEL; HYDRODESULFURIZATION; CATALYSTS; PRESSURE; SALTS; ACID;

D O I：

10.1021/ef900073a

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Imidazolium-based zinc-containing ionic liquids (ILs), [1-R-3-R'-imidazolium]alkylsulfate-ZnCl2 (R and R' = H or alkyl), were highly effective for the denitrogenation of a model oil containing quinoline, indole, or acridine in n-heptane. Fast atom bombardment (FAB)-mass spectra and a computational study imply that the interaction of 1-ethyl-3-methylimidazolium ethylsulfate ([EMIm]EtSO4) with ZnCl2 produces Zn-containing ILs, presumably [EMIm]ZnCl2(EtSO4) and [EMIm]ZnCl(EtSO4)(2) as the major ionic species. The interaction of EtSO4- and ZnCl2(EtSO4)(-) with a heterocyclic N compound was theoretically investigated. The zinc-containing IL, [EMIm]ZnCl2(EtSO4), used for the extraction of quinoline was successfully regenerated by employing diethyl ether as a back extractant.

引用

页码：3032 / 3038

页数：7

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