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Insight into the oxidative desulfurization of high-sulfur petroleum coke under mild conditions:a journey of vanadium-substituted Dawson-type phosphotungstic acid

卓见进在温和条件下面的高硫的石油焦炭的氧化 desulfurization : 代替钒的 Dawson 类型 phosphotungstic 酸的一次旅行

作     者:Fu-Min Li Ming-Qing Hua Yan-Chen Wei Ji-Xing Liu Jia-Hong Gong Chao Wang Pei-Wen Wu Yan Huang Hua-Ming Li Wen-Shuai Zhu Fu-Min Li;Ming-Qing Hua;Yan-Chen Wei;Ji-Xing Liu;Jia-Hong Gong;Chao Wang;Pei-Wen Wu;Yan Huang;Hua-Ming Li;Wen-Shuai Zhu

作者机构:School of Chemistry and Chemical EngineeringJiangsu UniversityZhenjiang 212013China School of Materials Science and EngineeringJiangsu UniversityZhenjiang 212013China School of the Environment and Safety EngineeringJiangsu UniversityZhenjiang 212013China 

出 版 物:《Petroleum Science》 (石油科学(英文版))

年 卷 期:2021年第18卷第3期

页      面:983-993页

核心收录:

学科分类:081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 

基  金:This work was financially supported by the National Natural Science Foundation of China(No.21722604) the Postdoctoral Foundation of China(Nos.2019M651743 and 2020M671365) the Natural Science Foundation of Jiangsu Province(No.BK20190852) the National Youth Natural Science Foundation(No.8111310009) 

主  题:High-sulfur petroleum coke Dawson-type phosphotungstic acid Oxidative desulfurization Mild conditions Sulfate 

摘      要:High-sulfur petroleum coke(HSPC),that is a by-product from slag oil in the coking process of refning,shows versatility values in practical applications and,however,concentrates the majority of organic ***,we design and construct a highly efective CTAB@HPA composites to be explored for the catalytic oxidative desulfurization of HSPC under mild conditions using hydrogen peroxide as the oxidant and 1-butyl-3-methylimidazole tetrafuoroborate ionic liquid as the *** results demonstrate that the sulfur content of HSPC could be strikingly reduced from 4.46 wt%to 2.48 wt%under 60℃ and atmospheric pressure,and that the organic sulfur in HSPC is mainly oxidized to sulfoxide,sulfone and sulfate,which latter can be directly separated from petroleum ***,the efect of reaction conditions on the desulfurization performance of HSPC as well as the catalytic oxidation reaction kinetic of HSPC desulfurization was systematically ***,a mechanism for the oxidative desulfurization of HSPC over CTAB@HPA catalysts was ***,this work provides new insight into how to construct active catalysts for the desulfurization of HSPC under mild conditions.

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