Alkali Activation–Granulation of Hazardous Fluidized Bed Combustion Fly Ashes
Sign Up to like & getrecommendations! Published in 2017 at "Waste and Biomass Valorization"
DOI: 10.1007/s12649-016-9580-7
Abstract: The increasing amount of fluidized bed combustion (FBC) ash is putting pressure on researchers to invent novel methods for utilizing the ash. The low reactivity and heavy metal content constrict the use of FBC ash… read more here.
Keywords: bed combustion; alkali activation; fly; fly ashes ... See more keywords
Advances in alkali-activation of clay minerals
Sign Up to like & getrecommendations! Published in 2020 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2020.106050
Abstract: Abstract To future-proof alkali-activation technology, there is a need to look beyond well-established precursors such as fly ash and blast furnace slag, due to resource competition, geographical distribution and technical limitations. Clay minerals are abundant… read more here.
Keywords: clay minerals; alkali activation; activation clay; advances alkali ... See more keywords
Pb(II) sorption by biochar derived from Cinnamomum camphora and its improvement with ultrasound-assisted alkali activation
Sign Up to like & getrecommendations! Published in 2018 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2018.08.036
Abstract: Abstract Conversion of solid wastes into biochar for removal of toxic heavy metals provides a cleaner method for waste management and benefits environmental protection. Ultrasound-assisted alkali activation of biochar prepared by pyrolysis of camphor leaves… read more here.
Keywords: assisted alkali; alkali activation; biochar; sorption ... See more keywords
Optimization of the alkali activation conditions of ground granulated SiMn slag
Sign Up to like & getrecommendations! Published in 2017 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2017.06.064
Abstract: Abstract The viability of using a SiMn slag as raw material for the preparation of alkali activated binder has been analysed. The slag has been characterized from the physical, chemical, mineralogical and microstructural point of… read more here.
Keywords: slag; methodology; alkali activation; solution ... See more keywords
Durability and life cycle evaluation of self-compacting concrete containing fly ash as GBFS replacement with alkali activation
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.117458
Abstract: Abstract Nowadays, geopolymer with alkali activation binders are introduced as alternative environmentally friendly construction materials to the ordinary Portland cement for solving the carbon dioxide emission and high energy consumption problems. In the construction sectors… read more here.
Keywords: alkali activation; life cycle; gbfs; durability ... See more keywords
Structural collapse in phlogopite mica-rich mine tailings induced by mechanochemical treatment and implications to alkali activation potential
Sign Up to like & getrecommendations! Published in 2020 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2020.106331
Abstract: Abstract The alkali activation of mine tailings is of interest to diminish the impoundment storage of large waste stream from mining industry. However, most of the mine tailings, like phosphate mine tailings generated in Finland,… read more here.
Keywords: alkali activation; mechanochemical treatment; treatment; mine tailings ... See more keywords
Time, Temperature, and Cationic Dependence of Alkali Activation of Slag: Insights from Fourier Transform Infrared Spectroscopy and Spectral Deconvolution
Sign Up to like & getrecommendations! Published in 2017 at "Applied Spectroscopy"
DOI: 10.1177/0003702817704588
Abstract: The use of waste/by-product materials, such as slag or fly ash, activated using alkaline agents to create binding materials for construction applications (in lieu of portland cement) is on the rise. The influence of activation… read more here.
Keywords: alkali activation; activation slag; time; spectroscopy ... See more keywords
SOIL STABILIZATION WITH GEOPOLYMERS FOR LOW COST AND ENVIRONMENTALLY FRIENDLY CONSTRUCTION
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of GEOMATE"
DOI: 10.21660/2019.63.8159
Abstract: In this paper, a geopolymer synthetized from olivine and an alkaline solution made from sodium hydroxide which incorporates the carbonation process was utilized to stabilize silty clay soil, in order to improve its expediency for… read more here.
Keywords: carbonation; construction; alkali activation; soil stabilization ... See more keywords
Impact of Na/Al Ratio on the Extent of Alkali-Activation Reaction: Non-linearity and Diminishing Returns
Sign Up to like & getrecommendations! Published in 2021 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2021.806532
Abstract: To address the high CO2 footprint associated with cement production, many alternative, sustainable binders are now gaining worldwide attention–including alkali-activated materials. The alkali-activation reaction of metakaolin is a fairly complex process involving transformation of one… read more here.
Keywords: activation reaction; alkali activation; reaction; extent ... See more keywords
Honeycomb-like Hierarchical Porous Carbon from Lignosulphonate by Enzymatic Hydrolysis and Alkali Activation for High-Performance Supercapacitors
Sign Up to like & getrecommendations! Published in 2023 at "Energies"
DOI: 10.3390/en16093824
Abstract: Porous carbon materials (PCs) were prepared via hydrothermal carbonization from calcium lignosulfonate (CL) based on enzymatic hydrolysis and alkali activation. The effects of enzymatic hydrolysis and different KOH feeding ratios on the structure and electrochemical… read more here.
Keywords: porous carbon; hydrolysis alkali; alkali activation; hydrolysis ... See more keywords
Alkali Activation of Metallurgical Slags: Reactivity, Chemical Behavior, and Environmental Assessment
Sign Up to like & getrecommendations! Published in 2021 at "Materials"
DOI: 10.3390/ma14030639
Abstract: Alkali-activated materials (AAMs) represent a promising alternative to conventional building materials and ceramics. Being produced in large amounts as aluminosilicate-rich secondary products, such as slags, they can be utilized for the formulation of AAMs. Slags… read more here.
Keywords: slag; activation metallurgical; alkali activation; slags reactivity ... See more keywords