金属有机骨架化合物[Cu_2(OH)(2,2'-bipy)_2-(BTC)·2H_2O]_n的脱硫性能研究  

Research on desulfurization property of metal-organic frameworks [Cu_2(OH)(2,2' -bipy)_2( BTC) ·2H_2O]_n

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作  者:李永超[1] 刘宗琦 辛春玲[1] 田晓光[1] 侯俊琦[1] 田世超[1] 卞婉莹[1] 连丕勇[1] 

机构地区:[1]辽宁石油化工大学石油化工学院,辽宁抚顺113001 [2]中国石油辽阳石化分公司,辽宁辽阳111003

出  处:《石化技术与应用》2013年第5期375-379,共5页Petrochemical Technology & Application

摘  要:采用水热法合成出金属有机骨架化合物[Cu2(OH)(2,2'-bipy)2(BTC)·2H2O]n晶体,以此化合物为吸附剂,在常温常压下通过固定床动态吸附实验,考察了其对模型油中的噻吩和苯并噻吩的脱除效果。结果表明,该吸附剂对噻吩、苯并噻吩的饱和吸附容量分别为2.32%,1.20%;采用4 A分子筛与吸附剂分层装填的方法可有效解决模型油中的溶解水对吸附脱硫效果的影响;用甲苯对吸附饱和的吸附剂进行再生,再生率达到98%。The metal-organic frameworks [Cu2 (OH)(2,2'-bipy)2 (BTC) · 2H2O]n was synthesized by hydrothermal method and used as desulfuration.The removal efficiency of thiophene and benzothiophene in model gasoline was investigated by a fixed-bed dynamic adsorption test at normal temperature and pressure.The results showed that the saturation adsorption capacity for thiophene and benzothiophene was 2.32%,1.20% respectively.The influence of the dissolved water in model gasoline on the desulfuration could be eliminated effectively with loading 4 A-zeolite and adsorbent by layers.The adsorption-saturated adsobent was regenerated with toluene and its regeneration rate could reach 98%.

关 键 词:金属有机骨架化合物 吸附脱硫 噻吩 苯并噻吩 脱硫性能 饱和吸附容量 吸附剂再生 

分 类 号:TQ424.3[化学工程]

 

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