Zeolites-containing geopolymers obtained from biomass fly ash: Influence of temperature, composition, and porosity
authors Simao, L; De Rossi, A; Hotza, D; Ribeiro, MJ; Novais, RM; Montedo, OKR; Raupp-Pereira, F
nationality International
journal JOURNAL OF THE AMERICAN CERAMIC SOCIETY
author keywords biomass ash; faujasite-type zeolite; geopolymer; P-type zeolite
keywords FAUJASITE BLOCK; NA-P1 ZEOLITE; HEAVY-METALS; REMOVAL; WATER; ADSORPTION; STRENGTH; CEMENT; NAP
abstract 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.
publisher WILEY
issn 0002-7820
isbn 1551-2916
year published 2021
volume 104
issue 2
beginning page 803
ending page 815
digital object identifier (doi) 10.1111/jace.17512
web of science category 13
subject category Materials Science, Ceramics
unique article identifier WOS:000583278700001
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journal impact factor 3.502
5 year journal impact factor 3.475
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