Alkali-dissolving hydrothermal synthesis of zeolite P from fly ash

被引：6
|
作者：
Wang, Peng [1 ]
Sun, Qi [1 ]
Zhang, Yujiao [2 ]
Cao, Jun [1 ]
机构：
[1] Guizhou Univ, Coll Mat & Met, Guiyang 550025, Guizhou, Peoples R China
[2] Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China
来源：
MICRO & NANO LETTERS | 2019年 / 14卷 / 05期
关键词：
dissolving; crystal growth from solution; thermal stability; adsorption; scanning electron microscopy; zeolites; fly ash; desorption; X-ray diffraction; differential scanning calorimetry; Fourier transform infrared spectra; fluorescence; solid-state phase transformations; alkali-dissolving hydrothermal synthesis; zeolite P; pseudospherical form; X-ray fluorescence; Fourier-transform infrared spectroscopy; zeolite materials; thermogravimetry-differential scanning calorimetry; adsorption-desorption method; Brunauer-Emmett-Teller analysis; bound water content; phase transistion temperature; temperature; 400; 0; degC; N-2; CARBON-DIOXIDE; NAP ZEOLITE; CRYSTALLIZATION; EQUILIBRIUM; ADSORPTION; NA-P1; 4A;
D O I：
10.1049/mnl.2018.5650
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Zeolite P with the pseudo-spherical form was successfully synthesised from low-grade fly ash via alkali-dissolving hydrothermal synthesis method. These samples were characterised by X-ray diffraction, scanning electron microscope, X-ray fluorescence, Fourier-transform infrared spectroscopy, thermogravimetry-differential scanning calorimeter (TG-DSC) and Brunauer-Emmett-Teller. The textural properties of zeolite P were further studied by N-2 adsorption-desorption technique. In addition, the TG-DSC study confirmed that the bound water content of zeolite P is 19.7% and the phase transition temperature of zeolite P is 400 degrees C. Moreover, this thermal stability study approach not only extends the application of zeolite P but can be further extended to other zeolite materials as well.
引用
收藏
页码：572 / 576
页数：5
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