Optimization of a continuous ultrasound assisted oxidative desulfurization (UAOD) process of diesel using response surface methodology (RSM) considering operating cost

Mohammad Dana; Mohammad Amin Sobati; Shahrokh Shahhosseini; Aminreza Ansari

doi:10.1016/j.cjche.2019.12.007

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Optimization of a continuous ultrasound assisted oxidative desulfurization (UAOD) process of diesel using response surface methodology (RSM) considering operating cost

Energy, Resources and Environmental Technology | Updated：2026-01-06

- Optimization of a continuous ultrasound assisted oxidative desulfurization (UAOD) process of diesel using response surface methodology (RSM) considering operating cost
- Optimization of a continuous ultrasound assisted oxidative desulfurization (UAOD) process of diesel using response surface methodology (RSM) considering operating cost
- 中国化学工程学报（英文版） 2020年28卷第5期页码：1384-1396
- Affiliations：
  
  School of Chemical Engineering, Iran University of Science and Technology(IUST), Tehran,Iran
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.12.007
  中图分类号：
- 纸质出版：2020
- Accepted：
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Mohammad Dana, Mohammad Amin Sobati, Shahrokh Shahhosseini, 等. Optimization of a continuous ultrasound assisted oxidative desulfurization (UAOD) process of diesel using response surface methodology (RSM) considering operating cost[J]. 中国化学工程学报（英文版）, 2020,28(5):1384-1396.

Mohammad Dana, Mohammad Amin Sobati, Shahrokh Shahhosseini, Aminreza Ansari. Optimization of a continuous ultrasound assisted oxidative desulfurization (UAOD) process of diesel using response surface methodology (RSM) considering operating cost[J]. Chinese Journal of Chemical Engineering, 2020, 28(5): 1384-1396.
Mohammad Dana, Mohammad Amin Sobati, Shahrokh Shahhosseini, 等. Optimization of a continuous ultrasound assisted oxidative desulfurization (UAOD) process of diesel using response surface methodology (RSM) considering operating cost[J]. 中国化学工程学报（英文版）, 2020,28(5):1384-1396. DOI： 10.1016/j.cjche.2019.12.007.

Mohammad Dana, Mohammad Amin Sobati, Shahrokh Shahhosseini, Aminreza Ansari. Optimization of a continuous ultrasound assisted oxidative desulfurization (UAOD) process of diesel using response surface methodology (RSM) considering operating cost[J]. Chinese Journal of Chemical Engineering, 2020, 28(5): 1384-1396. DOI： 10.1016/j.cjche.2019.12.007.

摘要

Abstract

A continuous-flow ultrasound-assisted oxidative desulfurization (UAOD) of partially hydro-treated diesel has been investigated using hydrogen peroxide-formic acid as simple and easy to apply oxidation system. The effects of different operating parameters of oxidation stage including residence time (2-24 min)

formic acid to sulfur molar ratio (10-150)

and oxidant to sulfur molar ratio (5-35) on the sulfur removal have been studied using response surface methodology (RSM) based on Box-Behnken design. Considering the operating costs of the continuous-flow oxidation stage including chemical and electrical energy consumption

the appropriate values of operating parameters were selected as follows:residence time of 16 min

the formic acid to sulfur molar ratio of 54.47

and the oxidant to sulfur molar ratio of 8.24. In these conditions

the sulfur removal and the volume ratio of the hydrocarbon phase to the aqueous phase were 86.90% and 4.34

respectively. By drastic reduction in the chemical consumption in the oxidation stage

the volume ratio of the hydrocarbon phase to the aqueous phase was increased up to 10. Therefore

the formic acid to sulfur molar ratio and the oxidant to sulfur molar ratio were obtained 23.64 and 3.58

respectively

which lead to sulfur removal of 84.38% with considerable improvements on the operating cost of oxidation stage in comparison with the previous works.

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