中国石油大学学报（自然科学版）2011，Vol.35Issue(2)：152-156,161,6.DOI:10.3969/j.issn.1673-5005.2011.02.027
CuUSY分子筛制备及其吸附脱硫性能研究
Preparation of CuUSY adsorbent and its adsorptive desulfurization performance
摘要
Abstract
Adsorbents with copper ions supported on USY zeolite matrix, were prepared by ion-exchange methods, and characterized by the X-ray diffraction ( XRD) , atomic absorption spectroscopy ( AAS) and N2-adsorption specific surface area Measurements (BET). Taken thiophene-petroleum ether system as the model compound, the effects of concentration of Cu ( NO3 ) 2 solution, ion exchange time and calcination temperature on adsorbent properties were investigated. The effects of adsorption time, temperature and adsorbent dosage on the desulfurization ratio of adsorbents were studied. The results show that when the ion exchange time is 72 h, the concentration of Cu( NO3 )2 solution is 16. 5 ％ and calcination temperature is 500 ℃ ,the desulfurization is the best. Under the conditions of raw materials 10 mL,CuUSY 0.4 g, at 40 ℃ with 30 min, the desulfurization ratio reaches to 74. 6％ . The kinetics of adsorptive desulfurization over CuUSY adsorbent meets the pesudosecond order model with the equilibrium adsorption capacity 0. 1116 and the initial adsorption rate 0. 013 g · ( mg· min) -1.关键词
分子筛/离子交换/噻吩/吸附脱硫Key words
molecular sieve/ ion exchange/ thiophene/ adsorptive desulfurization分类
能源科技引用本文复制引用
宋华,孙兴龙,常凯,王登..CuUSY分子筛制备及其吸附脱硫性能研究[J].中国石油大学学报（自然科学版）,2011,35(2):152-156,161,6.基金项目
黑龙江省教育厅科学技术研究项目(11531012) （11531012）
