Results 11 to 20 of about 55,242 (253)

Monitoring Methods on Evolution of Alkali Activation of Alkali-Activated Materials [PDF]

open access: yesArchives of Metallurgy and Materials
Alkali activation for producing alkali-activated materials is noted as a complex due to involving several reactions. Due to complexity of the reactions, various techniques have been applied by past researches on monitoring the evolution of alkali ...
R. Mohamed   +7 more
doaj   +2 more sources

Geopolymerization of Coal Gangue via Alkali-Activation: Dependence of Mechanical Properties on Alkali Activators

open access: yesBuildings
Coal gangue (CG) is a residual product from coal mining and washing processes. The reutilization of CG to produce geopolymers is a low-carbon disposal strategy for this material.
Xiaoping Wang   +6 more
doaj   +2 more sources

Vertebrate OTOP1 is also an alkali-activated channel

open access: yesNature Communications, 2023
pH sensation is critical for survival of vertebrates. Here, authors found six vertebrate OTOP1 channels that were highly conserved and directly activated by extracellular alkali.
Lifeng Tian   +7 more
doaj   +1 more source

Adsorption performance of basic fuchsin on alkali-activated diatomite

open access: yesAdsorption Science & Technology, 2020
The natural diatomite was treated with NaOH to obtain alkali-activated diatomite. The materials were systematically characterized by X-ray powder diffraction, X-ray fluorescence, Fourier transform infrared spectroscopic, scanning electron microscopy, and
Yong-Hua Zhao   +4 more
doaj   +1 more source

Life cycle assessment of Hybrid alkali-activated cement production with red mud as an alkali activator

open access: yesEnvironmental Science and Pollution Research, 2023
Abstract The production of Hybrid Alkali Activated Cement (HAAC) has generated considerable interest in environmental issues. In this research, the environmental impacts of utilizing red mud (RM) as a partial activator of alkali-activated ground granulated blast furnace slag (GBFS) in HAAC production have been evaluated. A contribution analysis
Qinli Zhang   +3 more
openaire   +2 more sources

Alkali leaching control of construction and demolition waste based geopolymers

open access: yesMATEC Web of Conferences, 2018
This study regards the synthesis of waste brick geopolymers and the evaluation of their alkali leaching potential. Geopolymers with varied alkali to Al molar ratios were prepared and their alkali leaching potential was measured.
Kioupis Dimitris   +3 more
doaj   +2 more sources

Sustainable municipal solid waste incineration fly ash (MSWIFA) alkali-activated materials in construction: Fabrication and performance [PDF]

open access: yesНанотехнологии в строительстве, 2022
Introduction. Recent years have seen a pressing need to dispose of municipal solid waste due to rapid urbanization. The municipal solid waste incineration fly ash (MSWIFA) produced from solid waste incineration power plant exhibits pozzolanic properties ...
Peng Dong   +4 more
doaj   +1 more source

An experimental study on the mix design optimization of fly ash-based geopolymers [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2019
Geopolymers are materials suitable for utilization in the construction industry due to their superior properties, such as high strength and good durability. The properties of geopolymers can be configured due to mix design and synthesis conditions.
Arioz Evren, Arioz Omer, Kockar Mete O.
doaj   +1 more source

Evaluation of different fly ash samples on the production of alkali-activated materials

open access: yesRevista IBRACON de Estruturas e Materiais, 2021
: In this work, different samples of fly ash (FA-A and FA-B) classified as type F as used to produce the AAM samples. The FA-A presented a higher Fe2O3 content than FA-B, 6.1 to 3.8 wt.%, and a slightly higher SiO2/Al2O3 ratio of 3.52 in comparison to 3 ...
Adriano Galvão Souza Azevedo   +2 more
doaj   +1 more source

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