| 高硅Y沸石的研制及吸附热力学性质 |
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| 引用本文： | 孙德坤,鲍书林,徐亲,须沁华. 高硅Y沸石的研制及吸附热力学性质[J]. 物理化学学报, 1999, 15(11): 1041-1044. DOI: 10.3866/PKU.WHXB19991116 |
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| 作者姓名： | 孙德坤 鲍书林 徐亲 须沁华 |
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| 作者单位： | College of Chemistry and chemical Engineering,Nanjing University,Nanjing 210093 |
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| 基金项目： | 国家自然科学基金，抚顺石油化工研究院资助 |
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| 摘 要： | Ｙ沸石用ＬｉＣｌ溶液交换得ＬｉＮａＹ沸石，再经ＳｉＣｌ４气相同晶取代进行脱铝补硅,获得高结晶度的高硅Ｙ沸石,硅铝比可大于１００［１］．在脱铝过程中，随着硅铝比的升高其孔结构和表面性质均发生变化,直接关联到Ｙ沸石在炼油中的催化裂化性能．通过对不同大小、结?..
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| 关 键 词： | 脱铝 Y沸石 吸附 热力学 |
| 收稿时间： | 1998-12-15 |
| 修稿时间： | 1999-04-29 |
Synthesis and Adsorption Thermodynamic Properties of High-Silica Y Zeolite |
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| Sun Dekun,Bao Shulin,Xu Qin,Xu Qinhua. Synthesis and Adsorption Thermodynamic Properties of High-Silica Y Zeolite[J]. Acta Physico-Chimica Sinica, 1999, 15(11): 1041-1044. DOI: 10.3866/PKU.WHXB19991116 |
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| Authors: | Sun Dekun Bao Shulin Xu Qin Xu Qinhua |
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| Affiliation: | College of Chemistry and chemical Engineering,Nanjing University,Nanjing 210093 |
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| Abstract: | A serious of zeolites Y of high Si/Al and high crystalline have been prepared by treatment with silicon tetrachloride vapour.Adsorption isotherms for n Hexane have been measured by vacume gravimetric on a series of samples at various temperatures.The relationship between uptake of sorbate on a series of samples and dealumination extent and temperature have been obtained.Differential heats of adsorption,differential entropies and heat capacities of adsorbed substance have been calculated from the isotherms.The nature of surface and intracrystalline porosity of dealuminated zeolite Y have been further considered from the results of our experiments. |
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| Keywords: | Dealumination Y zeolite Adsorption Thermodynamic |
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