Adsorption of sulfones from actual oxidized diesel oil in the frame of oxidative desulfurization: A process optimization study using activated clay

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题名:	Adsorption of sulfones from actual oxidized diesel oil in the frame of oxidative desulfurization: A process optimization study using activated clay
作者:	Choi, Angelo Earvin Sy Roces, Susan A. Dugos, Nathaniel P. Wan, Meng Wei
贡献者:	De La Salle University Chia Nan University of Pharmacy & Science,Department of Environmental Engineering and Science
关键词:	sulfur-compounds compressive strength waste-water removal chitosan carbon dibenzothiophene benzothiophene temperature adsorbents
日期:	2022
上传时间:	2023-12-11 14:00:56 (UTC+8)
出版者:	ELSEVIER SCI LTD
摘要:	Fossil-fuel derived oils in its raw form can be treated by oxidative desulfurization (ODS) to effectively remove sulfur compounds. The ODS technology undergoes an oxidation followed by the adsorption process. This research focuses on the integration of a process optimization on the latter part of the ODS. Specifically, the utilization of the activated clay adsorbent in the oxidized diesel oil was comprehensively examined. A Box-Behnken design under the response surface methodology in the adsorption process was utilized to investigate the sulfur reduction parameter by the process variables of initial pH (pH 1 to pH 5), adsorbent dosage (1 g-5 g), and adsorption temperature (25 degrees C-55 degrees C). The identification of the significant level was studied through the analysis of variance for the individual process variable and the variable interactions. The result indicated that the adsorbent dosage was an extremely significant (p-value < 0.0001) process variable. The optimal sulfur reduction of 91.9% in the oxidized diesel oil can be obtained at the conditions of pH 1.19, 4.99 g, and 25.8. C by the process variables of pH, adsorbent dosage, and temperature, respectively. The results of the research study demonstrate an innovative applicability of the activated clay in the oxidized diesel oil in the frame of ODS. This further supports the prospective usability of the clay material adsorbent for future industrial applications in the field of desulfurization.
關聯:	Journal of Cleaner Production, v.363, 20 August 2022, 132357
显示于类别:	[Dept. of Environmental Engineering and Science (including master's program)] Periodical Articles

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