期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 104, 期 2, 页码 803-815出版社
WILEY
DOI: 10.1111/jace.17512
关键词
biomass ash; faujasite-type zeolite; geopolymer; P-type zeolite
资金
- Fundacao para a Ciencia e a Tecnologia
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior [88887.144642/2017-00, 88882.345219/2019-01]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico [308669/2016-9]
In this research, variations in compositional and processing parameters were explored to produce zeolites-containing geopolymers from biomass fly ash wastes. The mixture composition used in the synthesis plays a crucial role in determining the nature of zeolitic crystalline phases in the geopolymeric matrix. Different NaOH concentrations resulted in varying surface areas of faujasite-type zeolites in the geopolymers.
In this research, compositional and processing parameters were varied to obtain zeolites-containing geopolymers using mainly biomass fly ash wastes. In addition to curing temperatures, another primary factor affecting the typologies of the resulting zeolites was composition. The mixture composition used in the synthesis crucially affects the nature of the zeolitic crystalline phases in the geopolymeric matrix. Using 10 mol/L NaOH solution, faujasite-type zeolites produced in geopolymers show a surface area of similar to 100 m(2)/g (BET), while those prepared by 8 mol/L NaOH solution have a much lower surface area of similar to 19 m(2)/g.
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