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磷钨酸功能化氮化碳的制备及其氧化脱硫研究

李秀萍 ,  赵荣祥 ,  苏建勋 ,  艾东

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引用本文: 李秀萍, 赵荣祥, 苏建勋, 艾东. 磷钨酸功能化氮化碳的制备及其氧化脱硫研究[J]. 燃料化学学报, 2015, 43(7): 870-875. shu
Citation:  LI Xiu-ping, ZHAO Rong-xiang, SU Jian-xun, AI dong. Prepartion of phosphotungstic acid functionalized carbon nitride and its catalytic performance in oxidative desulfurization of model oil[J]. Journal of Fuel Chemistry and Technology, 2015, 43(7): 870-875. shu

磷钨酸功能化氮化碳的制备及其氧化脱硫研究

    通讯作者: 赵荣祥
  • 基金项目:

    国家自然科学基金 (51276078) (51276078)

    国家重点基础研究发展规划(973计划, 2011CB707301)。 (973计划, 2011CB707301)

摘要: 以磷钨酸和氮化碳为原料,合成磷钨酸功能化的氮化碳(g-C3N4/HPW),并采用XRD、SEM、FT-IR对其结构进行表征。以g-C3N4/HPW为催化剂,过氧化氢作为氧化剂,咪唑氟硼酸盐为萃取剂氧化萃取一体法脱除模拟油中的二苯并噻吩(DBT)。考察了反应温度、催化剂加入量、双氧水加入量、萃取剂加入量、硫化物类型等因素对脱硫效果的影响。结果表明,在模拟油为5 mL,g-C3N4/HPW为0.02 g,H2O2加入量为1.0 mL,BF4 为1.5 mL,反应温度70 ℃,反应120 min的条件下,DBT的转化率可达到93%。反应体系循环使用4次催化剂的活性没有明显的降低。

English

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  • 收稿日期:  2015-01-29
  • 网络出版日期:  2015-04-08
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