Sol Size Changes During Pseudo-Boehmite Peptization Reactivity

Journal of Petrochemical Universities ›› 2010, Vol. 23 ›› Issue (2): 40-42.

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Sol Size Changes During Pseudo-Boehmite Peptization Reactivity

Research Institute of Petroleum Processing,Sinopec,Beijing 100083,P.R.China

Received:2009-10-19 Published:2010-06-25 Online:2010-06-25

拟薄水铝石酸化胶溶过程中溶胶粒径的变化

张金凤,刘宇键,田辉平

中国石化石油化工科学研究院, 北京100083

作者简介:张金凤(1982 -), 女, 甘肃兰州市, 硕士研究生
基金资助:
中国石油化工股份有限公司资助研究项目(S108042)

Abstract

Abstract:

The change rule of sol size during the pseudo-boehmite peptization were explored by using experimental apparatus such as Zetasizer Nano ZS 90 , TURBISCAN Lab infrared dispersion steady indicator and TEM.The results show that the optimal range of [H+]/[AlOOH] molar ratio is 0.15 to 0.30, the sol size is about 77 nm. In the three kinds of pseudo-boehmite sol size measurement method, the smallest sol size measured by TEM, followed by the two others.Increase the [H+]/[AlOOH] molar ratio and peptization temperature are both in favor of peptization reactivity.

Key words:

Pseudo-boehmite, [H+]/[AlOOH] , molar ratio, , Peptization temperature, , Sol size

摘要： 利用Zetasizer Nano ZS 90 粒度仪、TURBISCAN Lab 专家型分散稳定性分析仪、透射电镜(TEM)3
种纳米粒径测量仪器, 研究了拟薄水铝石酸化胶溶过程中的溶胶粒径的变化规律及其影响因素。结果表明, 通过
Zetasizer Nano ZS 90 确定了拟薄水铝石酸胶溶的最佳酸铝物质的量比在0 .15～ 0 .30, 溶胶粒径在77 nm 左右;在相
同的胶溶条件下得到的拟薄水铝石溶胶, 利用TEM 测量得到的溶胶粒径值最小, 另外两种测量手段测定的溶胶粒
径值相差不大;增大酸铝物质的量比、提高胶溶温度都有利于胶溶反应的进行。

关键词: 拟薄水铝石 , 酸铝物质的量比 , 胶溶温度 , 溶胶粒径

ZHANG Jin-feng, LIU Yu-jian, TIAN Hui-ping. Sol Size Changes During Pseudo-Boehmite Peptization Reactivity[J]. Journal of Petrochemical Universities, 2010, 23(2): 40-42.

张金凤,刘宇键,田辉平. 拟薄水铝石酸化胶溶过程中溶胶粒径的变化[J]. 石油化工高等学校学报, 2010, 23(2): 40-42.

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Sol Size Changes During Pseudo-Boehmite Peptization Reactivity

拟薄水铝石酸化胶溶过程中溶胶粒径的变化

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