Synthesis and Physicochemical Properties of Siliceous Nano-Sized MEL Molecular Sieves I. Synthesis of Siliceous Nano-Sized MEL Molecular Sieves

Acta Chimica Sinica ›› 2002, Vol. 60 ›› Issue (5): 950-954. Previous Articles Next Articles

Original Articles

全硅MEL纳米分子筛的合成及物化性质I．全硅MEL纳米分子筛的合成

董俊萍;余辉;谢颂海;龙英才

复旦大学化学系.上海(200433)

发布日期:2002-05-15

Synthesis and Physicochemical Properties of Siliceous Nano-Sized MEL Molecular Sieves I. Synthesis of Siliceous Nano-Sized MEL Molecular Sieves

Dong Junping;Yu Hui;Xie Songhai;Long Yingcai

Department of Chemistry, Fudan University.Shanghai(200433)

Published:2002-05-15

Abstract

Siliceous nano-sized MEL zeolite with average particle size less than 100 nm has been hydrothermally prepared in the reactant system of TBAOH-TEOS-H_2O free of alkali cations. The factors that influence particle size are also discussed. Higher molar ratio of TBAOH-TEOS and lower molar ratio of H_2O/TEOS in the reactant, as well as lower crystallization temperature are favorable to the formation of the zeolite with small particle size.

Key words: ZEOLITE, MOLECULAR SIEVE, NANOPHASE MATERIALS, HYDRO-THERMAL REACTION, PARTICLE DIAMETER

CLC Number:

O612

Cite this article

Dong Junping;Yu Hui;Xie Songhai;Long Yingcai. Synthesis and Physicochemical Properties of Siliceous Nano-Sized MEL Molecular Sieves I. Synthesis of Siliceous Nano-Sized MEL Molecular Sieves[J]. Acta Chimica Sinica, 2002, 60(5): 950-954.

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全硅MEL纳米分子筛的合成及物化性质I．全硅MEL纳米分子筛的合成

Synthesis and Physicochemical Properties of Siliceous Nano-Sized MEL Molecular Sieves I. Synthesis of Siliceous Nano-Sized MEL Molecular Sieves

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