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OALib Journal期刊
ISSN: 2333-9721
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磷钨酸功能化氮化碳的制备及其氧化脱硫研究
, PP. 870-875
Keywords: g-c3n4,磷钨酸,二苯并噻吩,脱硫
Abstract:
？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5ml,g-c3n4/hpw为0.02g,h2o2加入量为1.0ml,bf4为1.5ml,反应温度70℃,反应120min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。
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