Desulfurization of liquid hydrocarbon fuels via Cu2O catalyzed photo-oxidation coupled with liquid-liquid extraction

doi:10.1016/j.cjche.2018.01.022

Chin.J.Chem.Eng. ›› 2018, Vol. 26 ›› Issue (7): 1508-1512.DOI: 10.1016/j.cjche.2018.01.022

• Catalysis, kinetics and reaction engineering • Previous Articles Next Articles

Desulfurization of liquid hydrocarbon fuels via Cu₂O catalyzed photo-oxidation coupled with liquid-liquid extraction

Xiaoming Gao, Jiao Fei, Yanyan Shang, Feng Fu

Department of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, China

Received:2017-11-07 Revised:2018-01-22 Online:2018-08-16 Published:2018-07-28
Contact: Xiaoming Gao,E-mail address:dawn1026@163.com
Supported by:
Supported by the National Natural Science Foundation of China (Grant No. 21766039), the Natural Science Foundation of Shaanxi Province (Grant No. 14JS111), the Major Project of Yan'an Science and Technology Bureau (Grant No. 2016CGZH-10), and the Project of Yan'an University (YDT2017-2).

Desulfurization of liquid hydrocarbon fuels via Cu₂O catalyzed photo-oxidation coupled with liquid-liquid extraction

Xiaoming Gao, Jiao Fei, Yanyan Shang, Feng Fu

Department of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, China

通讯作者: Xiaoming Gao,E-mail address:dawn1026@163.com
基金资助:
Supported by the National Natural Science Foundation of China (Grant No. 21766039), the Natural Science Foundation of Shaanxi Province (Grant No. 14JS111), the Major Project of Yan'an Science and Technology Bureau (Grant No. 2016CGZH-10), and the Project of Yan'an University (YDT2017-2).

Abstract

Abstract: By combining the photochemical reaction and liquid-liquid extraction (PODS), we studied desulfurization of model fuel and FCC gasoline. The effects of air flow, illumination time, extractants, volume ratios of extractant/fuel, and catalyst amounts on the desulfurization process of PODS were analyzed in detail. Under the conditions with the air as oxidant (150 ml·min^-1), the mixture of DMF-water as extractant (the volume ratio of extractant/oil of 0.5) and photo-irradiation time of 2 h, the sulfur removal rate reached only 42.63% and 39.54% for the model and FCC gasoline, respectively. Under the same conditions, the sulfur removal rate increased significantly up to 79% for gasoline in the presence of Cu₂O catalyst (2 g·L^-1). The results suggest that the PODS combined with a Cu₂O catalyst seems to be a promising alternative for sulfur removal of gasoline.

Key words: Desulfurization, Photo-oxidative, Gasoline, Extraction, Cu₂O, Catalyst

摘要： By combining the photochemical reaction and liquid-liquid extraction (PODS), we studied desulfurization of model fuel and FCC gasoline. The effects of air flow, illumination time, extractants, volume ratios of extractant/fuel, and catalyst amounts on the desulfurization process of PODS were analyzed in detail. Under the conditions with the air as oxidant (150 ml·min^-1), the mixture of DMF-water as extractant (the volume ratio of extractant/oil of 0.5) and photo-irradiation time of 2 h, the sulfur removal rate reached only 42.63% and 39.54% for the model and FCC gasoline, respectively. Under the same conditions, the sulfur removal rate increased significantly up to 79% for gasoline in the presence of Cu₂O catalyst (2 g·L^-1). The results suggest that the PODS combined with a Cu₂O catalyst seems to be a promising alternative for sulfur removal of gasoline.

关键词: Desulfurization, Photo-oxidative, Gasoline, Extraction, Cu₂O, Catalyst

Xiaoming Gao, Jiao Fei, Yanyan Shang, Feng Fu. Desulfurization of liquid hydrocarbon fuels via Cu₂O catalyzed photo-oxidation coupled with liquid-liquid extraction[J]. Chin.J.Chem.Eng., 2018, 26(7): 1508-1512.

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Desulfurization of liquid hydrocarbon fuels via Cu₂O catalyzed photo-oxidation coupled with liquid-liquid extraction

Desulfurization of liquid hydrocarbon fuels via Cu₂O catalyzed photo-oxidation coupled with liquid-liquid extraction

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