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OALib Journal期刊
ISSN: 2333-9721
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载铜球形活性炭的制备及其吸附脱硫性能的研究
, PP. 613-618
Keywords: 载铜球形活性炭,吸附性能,吸附选择性
Abstract:
？以122型弱酸性酚醛系阳离子交换树脂为炭前驱体,经过cu2+交换、炭化和co2活化等过程制备得到负载金属铜的球形活性炭,对其进行了sem、xrd、aas和bet表征,采用动态吸附实验研究了其对模拟汽油中噻吩类硫化物的吸附性能,并且考察了甲苯和环己烯对其吸附性能的影响,对吸附脱硫机理进行了初步研究。结果表明,载铜球形活性炭上cu以单质形态存在,并主要与硫原子产生配位作用,提高了对噻吩类硫化物的吸附性能,对噻吩(t)、3-甲基噻吩(mt)、2,5-二甲基噻吩(dmt)和苯并噻吩(bt)的饱和硫容依次为0.938、1.230、1.581和3.744mg/g,吸附选择性依次为t
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