One-pot synthesis of NaA and NaP zeolite powders using agro-waste material and other low cost organic-free precursors

被引：71

作者：

Bohra, Subha ^{[1
]}

Kundu, Debtosh ^{[1
]}

Naskar, Milan Kanti ^{[1
]}

机构：

[1] CSIR, Cent Glass & Ceram Res Inst, Sol Gel Div, Kolkata 700032, India

来源：

CERAMICS INTERNATIONAL | 2014年 / 40卷 / 01期

关键词：

Porosity; Microstructure; Rice husk ash; NaA and NaP zeolites; RICE HUSK ASH; SILICA SOURCE; PARTICLES; TEMPLATE;

D O I：

10.1016/j.ceramint.2013.06.001

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

081705 [工业催化]; 082905 [生物质能源与材料];

摘要：

NaA and NaP zeolite powders were synthesized by hydrothermal condition at 100 degrees C/15-96 h using agro-waste material, rice husk ash as silica source in the presence of other organic-free low cost precursors like aluminum foil, sodium hydroxide and water. The powders were characterized by thermogravimetric analysis (TGA), differential thermal analysis (DTA), powder X-ray diffraction (PXRD), Fourier transform infrared (FTIR) spectroscopy, N-2 physisorption studies, and field emission scanning electron microscopy (FESEM). The BET surface area values of NaA and NaP powders were in the range of 348-179 m(2) g(-1) and 129-85 m(2) g(-1), respectively. FESEM images showed flower-like morphology for the NaA powders obtained at 100 degrees C/15 h, and broken cashew-nut-like morphology for the NaP powders synthesized at 100 degrees C/72 h. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：1229 / 1234

页数：6

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