Extractive desulfurization of dibenzothiophene using phosphonium-based ionic liquid: Modeling of batch extraction experimental data and simulation of continuous extraction process

被引：25

作者：

Jha, Diuyam ^{[1
]}

Haider, Md. Belal ^{[1
]}

Kumar, Rakesh ^{[1
]}

Balathanigaimani, M. S. ^{[1
]}

机构：

[1] Rajiv Gandhi Inst Petr Technol, Dept Chem Engn, Rae Bareli 229316, India

来源：

CHEMICAL ENGINEERING RESEARCH & DESIGN | 2016年 / 111卷

关键词：

Dibenzothiophene; Trihexyl tetradecyl phosphonium chloride ionic liquid; Desulfurization; Extraction; ASPEN PLUS; DEEP DESULFURIZATION; DIESEL FUEL;

D O I：

10.1016/j.cherd.2016.05.006

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The combination of n-heptane + dibenzothiophene (DBT), a model diesel fuel (MDF), was used to demonstrate the desulfurization capacity of trihexyl tetradecyl phosphonium chloride ionic liquid (CYPHOS101-IL) by extractive desulfurization (EDS) process. Maximum of 81.4% DBT removal capacity was observed for a mass ratio (IL/MDF) of 1:3. Furthermore, the reusability of used IL for the removal of DBT from fresh MDF was tested without any regeneration and it was found that the used ionic liquid can be used up to 5 cycles for DBT removal, though the extraction efficiency decreases marginally. The batch extractive experimental data were well correlated with the theoretical values obtained from NRTL model using ASPEN PLUS. The binary interaction parameters for DBT and IL were obtained and used further to simulate the continuous extraction process by using extractor sub routine of the ASPEN PLUS simulator. (C) 2016 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

引用

页码：218 / 222

页数：5

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