Fabrication and properties of foam geopolymer using circulating fluidized bed combustion fly ash

被引：35

作者：

Liu, Ze ^{[1
]}

Shao, Ning-ning ^{[1
]}

Wang, Dong-min ^{[1
]}

Qin, Jun-feng ^{[1
]}

Huang, Tian-yong ^{[1
]}

Song, Wei ^{[1
]}

Lin, Mu-xi ^{[1
]}

Yuan, Jin-sha ^{[1
]}

Wang, Zhen ^{[1
]}

机构：

[1] China Univ Min & Technol, Sch Chem & Environm Engn, Beijing 100083, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2014年 / 21卷 / 01期

基金：

中国国家自然科学基金;

关键词：

fly ash; geopolymers; foamed products; microstructure; hydrogen peroxide; METAKAOLIN GEOPOLYMERS; MINERALS; TEMPERATURE; PERFORMANCE; GELS;

D O I：

10.1007/s12613-014-0870-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In recent years, circulating fluidized bed combustion fly ash (CFA) is used as a raw material for geopolymer synthesis. Hydrogen peroxide was employed as a foaming agent to prepare CFA-based foam geopolymer. The particle distribution, mineral composition, and chemical composition of CFA were examined firstly. Geopolymerization products were characterized by mechanical testing, scanning electron microscopy (SEM), X-ray diffraction (XRD), and X-ray fluorescence (XRF). The CFA-based foam geopolymer was successfully fabricated with different contents of hydrogen peroxide and exhibited uncompleted alkali reaction and reasonable strength with relative low atomic ratios of Si/Al and Si/Na. Type-C CFA in this research could be recycled as an alternative source material for geopolymer production.

引用

页码：89 / 94

页数：6

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