Synthesis of highly siliceous ZSM-5 zeolite using silica from rice husk ash

被引：134

作者：

Kordatos, K. ^{[1
]}

Gavela, S. ^{[1
]}

Ntziouni, A. ^{[1
]}

Pistiolas, K. N. ^{[2
]}

Kyritsi, A. ^{[2
]}

Kasselouri-Rigopoulou, V. ^{[1
]}

机构：

[1] Natl Tech Univ Athens, Sch Chem Engn, Zografos 15780, Greece

[2] Agrino EV GE Pistiolas SA, Agrinion 30100, Greece

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2008年 / 115卷 / 1-2期

关键词：

ZSM-5; zeolite; synthesis; low temperature; atmospheric pressure; RHA;

D O I：

10.1016/j.micromeso.2007.12.032

中图分类号：

O69 [应用化学];

学科分类号：

081704 [应用化学];

摘要：

In this study, a simple synthetic route is demonstrated towards the efficient production of ZSM-5 zeolite. Crystalline rice husk ash (R HA) was utilized as ail alternative silica source for the synthesis of ZSM-5. The reaction of RHA with the organic template TPABr at low temperature and under atmospheric pressure led to the successful transformation of the crystalline ash to ZSM-5. The synthesis was studied as a function of time and the products at each stage were characterized using a variety of analytical techniques, including Xray diffraction (XRD), Fourier transformation infrared spectroscopy (FT-IR), thermogravimetry-differential thermogravimetry analyses (TG-DTG), scanning electron microscopy (SEM) and electron dispersion X-ray analysis (EDX). Porosimetry measurements revealed that the product is a microporous material having a high specific surface area of 397 m(2) g(-1). (C) 2008 Elsevier Inc. All rights reserved.

引用

页码：189 / 196

页数：8

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