Performance of Adsorption Desulfurization on NiY/Beta Zeolites

doi:10.3969/j.issn.1006396X.2013.05.005

Journal of Petrochemical Universities ›› 2013, Vol. 26 ›› Issue (5): 19-22.DOI: 10.3969/j.issn.1006396X.2013.05.005

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Performance of Adsorption Desulfurization on NiY/Beta Zeolites

(1.Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Province, Liaoning Shihua University, Fushun Liaoning 113001, China;  2.College of Chemistry & Chemical Engineering, China University of Petroleum, Qingdao Shandong 266555, China;  3.PetroChina Fushun Petrochemical Company Refinery No.2, Fushun　Liaoning 113001,China； 4.Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC, Fushun Liaoning 113001, China)

Received:1900-01-01 Revised:1900-01-01 Published:2013-10-25 Online:2013-10-25

NiY/Beta复合分子筛吸附脱硫性能研究

庄新玲¹,秦玉才²,阮艳军¹,董世伟¹,胡志君³,范跃超¹,秦波⁴,段林海¹,宋丽娟^1*

(1.辽宁石油化工大学辽宁省石油化工催化科学与技术重点实验室,辽宁抚顺113001;
2.中国石油大学(华东)化学化工学院,山东青岛266555;3.中国石油抚顺石化公司石油二厂,
辽宁抚顺113001;4.中国石化抚顺石油化工研究院,辽宁抚顺113001)

作者简介:庄新玲（1986），女，山东东营市，在读硕士。
基金资助:
国家自然科学基金（20976077, 21076100）；中国石油化工股份有限公司抚顺石油化工研究院（1001010212ZC06130038）；中国石油天然气股份有限公司炼油催化剂重大专项（1001A010101)

Abstract

Abstract: The adsorptiondesorption isotherms of thiophene and benzene in the NiY and NiY/Beta zeolites, prepared by liquid phase ion exchange, have been investigated by an intelligent gravimetric analyzer (IGA) and the diffusion coefficients were also calculated. Properties of selective adsorptive desulfurization of FCC gasoline on the zeolites were evaluated by a fixedbed adsorption experiment. The results show that the NiY/Beta zeolites remain the microporous structure. The saturated adsorption amount of thiophene is larger than that of benzene and so it is to the diffusion coefficients. The better diffusivity of thiophene inhibits the adsorption of benzene, resulting in the absorption desulfurization capability of the NiY/Beta zeolites improved.

Key words: Thiophene, , Benzene, , Adsorption, , Y/Beta zeolites, , Desulfuration

摘要： 采用液相离子交换法制备了NiY及NiY/Beta分子筛,利用智能重量分析仪测定了噻吩、苯在NiY、 NiY/Beta分子筛上的吸附灢脱附等温线,计算比较了噻吩、苯在分子筛上的扩散系数,同时使用固定床技术考查了改性后的分子筛对催化裂化汽油的吸附脱硫性能。结果表明,复合分子筛NiY/Beta然保持着较好的微孔结构,对噻吩的饱和吸附量大于苯的。而且噻吩在NiY/Beta分子筛上的相对扩散系数明显增大,而苯的扩散系数有所减少,这有利于噻吩在分子筛上的扩散过程,抑制了苯在分子筛上的吸附,从而提高了NiY/Beta复合分子筛对噻吩的选择性脱除能力。对于FCC汽油NiY/Beta复合分子筛也表现出更好的深度脱硫能力。

关键词: 噻吩, , 苯, , 吸附, , Y/Beta分子筛, , 脱硫

ZHUANG Xinling, QIN Yucai,RUAN Yanjun,et al. Performance of Adsorption Desulfurization on NiY/Beta Zeolites[J]. Journal of Petrochemical Universities, 2013, 26(5): 19-22.

庄新玲,秦玉才,阮艳军,董世伟. NiY/Beta复合分子筛吸附脱硫性能研究[J]. 石油化工高等学校学报, 2013, 26(5): 19-22.

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Performance of Adsorption Desulfurization on NiY/Beta Zeolites

NiY/Beta复合分子筛吸附脱硫性能研究

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