Evaluation of continuously mixed reactor configurations in the oxidative-adsorptive desulfurization of diesel fuel: Optimization and parametric studies

doi:10.1016/j.jclepro.2018.08.287

CNU IR > College of Sustainable Environment and Recreation > Dept. of Environmental Resources Management > Periodical Articles > Item 310902800/32190

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题名:	Evaluation of continuously mixed reactor configurations in the oxidative-adsorptive desulfurization of diesel fuel: Optimization and parametric studies
作者:	de Luna, Mark Daniel G. Futalan, Cybelle M. Dayrit, Raymond A. Choi, Angelo Earvin S. Wan, Meng-Wei
贡献者:	Univ Philippines, Dept Chem Engn Natl Res Ctr Disaster Free & Safe Ocean City Univ Philippines, Environm Engn Program, Natl Grad Sch Engn Chia Nan Univ Pharm & Sci, Dept Environm Resources Management
关键词:	Adsorption Box-Behnken design Continuous stirred tank reactor Diesel In-line mixing Response surface methodology
日期:	2018-12-01
上传时间:	2019-11-15 15:44:28 (UTC+8)
出版者:	ELSEVIER SCI LTD
摘要:	In this study, oxidative-adsorptive desulfurization technology was applied to raw diesel containing 1480.4 ppm sulfur. For oxidative desulfurization, the oxidant and catalyst were hydrogen peroxide and phosphotungstic acid, respectively. Two types of continuously mixed reactors: (1) continuous stirred tank reactor (CSTR) and (2) in-line mixer were evaluated under varying reaction temperature, mixing speed and diesel flow rate. For the in-line mixer system, the mixer speed and the flow rates for diesel and oxidant were modeled and optimized using Box-Behnken design of the response surface methodology. Optimization of process parameters resulted in sulfur removal of 85.90% at 18,000 rpm mixer speed, 500 mL min(-1) diesel flow rate and 300 mL min(-1) H2O2 flow rate. In the subsequent adsorptive desulfurization experiments, continuous fixed-bed adsorption using alumina removed 92.81% sulfur from treated diesel fuel thereby producing low-sulfur, diesel, that is within the allowable limit of Euro IV standard. (C) 2018 Elsevier Ltd. All rights reserved.
???metadata.dc.relation.uri???:	http://dx.doi.org/10.1016/j.jclepro.2018.08.287
關聯:	Food Chemistry, v.203, pp.664-673
显示于类别:	[Dept. of Environmental Resources Management] Periodical Articles

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