Aluminosilicate ≈ Aluminosilicate
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Advances in alkali-activation of clay minerals Open
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 mineral…
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Capturing functional two-dimensional nanosheets from sandwich-structure vermiculite for cancer theranostics Open
Clay-based nanomaterials, especially 2:1 aluminosilicates such as vermiculite, biotite, and illite, have demonstrated great potential in various fields. However, their characteristic sandwiched structures and the lack of effective methods …
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A Machine Learning Approach to Zeolite Synthesis Enabled by Automatic Literature Data Extraction Open
Zeolites are porous, aluminosilicate materials with many industrial and "green" applications. Despite their industrial relevance, many aspects of zeolite synthesis remain poorly understood requiring costly trial and error synthesis. In thi…
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Fly ash-based geopolymers containing added silicate waste. A review Open
This review summarizes different types of industrial wastes such as biomass ash, red mud, recycled glass and heavy metals waste, in their application for geopolymer production. These wastes, which are currently abundant and urgent to dispo…
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Phase diagrams for alkali-activated slag binders Open
Phase diagrams for alkali-activated slag (AAS) binders are simulated at (metastable) thermodynamic equilibrium, spanning the relevant compositional envelopes for these materials. The phase diagrams are generally consistent with experimenta…
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Silico-Aluminophosphate and Alkali-Aluminosilicate Geopolymers: A Comparative Review Open
Chemically activated materials (often termed as geopolymer) have received attracting attentions in civil, material and environmental research fields as a toolkit alternative to traditional Portland cement in specific applications. This pap…
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Fly Ash-Based Geopolymer Binder: A Future Construction Material Open
A large amount of waste coming out from industries has posed a great challenge in its disposal and effect on the environment. Particularly fly ash, coming out from thermal power plants, which contains aluminosilicate minerals and creates a…
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Rare earth elements and yttrium in coal ash from the Luzhou power plant in Sichuan, Southwest China: Concentration, characterization and optimized extraction Open
Coal ash is considered as a promising alternative resource for rare earth elements and yttrium (REE + Y or REY) recovery. Coal ash samples (fly ash and bottom ash), as well as corresponding feed coals, collected from the Luzhou coal-fired …
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Copolymer/Clay Nanocomposites for Biomedical Applications Open
Nanoclays still hold a great strength in biomedical nanotechnology applications due to their exceptional properties despite the development of several new nanostructured materials. This article reviews the recent advances in copolymer/clay…
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Effects of Alkaline Solution on Properties of the HCFA Geopolymer Mortars Open
Geopolymers are novel binding materials produced by the alkaline activation of rich aluminosilicate materials. Geopolymer binders are considered as green building materials that have increasing potential to replace the ordinary Portland ce…
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Application of alkali-activated materials for water and wastewater treatment: a review Open
Alkali-activation (or geopolymer) technology has gained a great deal of interest for its potential applications in water and wastewater treatment during the last decade. Alkali-activated materials can be prepared via a relatively simple an…
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Concentration of NaOH and the Effect on the Properties of Fly Ash Based Geopolymer Open
Synthesis of geopolymer matrixes involved utilization of aluminosilicate materials and alkali activators as the main starting materials where the former could be fly ash, slag or kaolin and the latter commonly used are sodium hydroxide (Na…
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Cesium adsorption/desorption behavior of clay minerals considering actual contamination conditions in Fukushima Open
Cesium adsorption/desorption experiments for various clay minerals, considering actual contamination conditions in Fukushima, were conducted using the 137 Cs radioisotope and an autoradiography using imaging plates (IPs). A 50 μl solution …
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Factors Affecting the Compressive Strength of Geopolymers: A Review Open
Geopolymers are created by mixing a source of aluminosilicates, which can be natural or by-products from other industries, with an alkaline solution. These materials based on by-products from other industries have proven to be a less pollu…
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Microstructural and Mechanical Properties of Alkali Activated Colombian Raw Materials Open
Microstructural and mechanical properties of alkali activated binders based on blends of Colombian granulated blast furnace slag (GBFS) and fly ash (FA) were investigated. The synthesis of alkali activated binders was conducted at 85 °C fo…
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Sorption of Organic Pollutants by Humic Acids: A Review Open
Humic acids (HA) are promising green materials for water and wastewater treatment. They show a strong ability to sorb cationic and hydrophobic organic pollutants. Cationic compounds interact mainly by electrostatic interaction with the dep…
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A Short Review on Synthesis, Characterization, and Applications of Zeolites Open
The review emphasizes on synthesis, characterization, and application of zeolite. Zeolite is a hydrated aluminosilicate having a tetrahedral structural framework; it contains channels and cages which are occupied by exchangeable active met…
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Geopolymers Based on Phosphoric Acid and Illito-Kaolinitic Clay Open
New three-dimensional geopolymer materials based on illito-kaolinitic clay and phosphoric acid were synthesized. The effect of Si/P molar ratio on the geopolymers properties was studied. Raw, calcined clay, and geopolymers structures were …
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Opportunities to improve sustainability of alkali-activated materials: A review of side-stream based activators Open
Alkali-activated materials (AAMs) are alternative binders that can be used instead of Portland cement in construction. One of the main drivers in their utilization is that AAMs can be designed to have lower CO2 emissions using industrial r…
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Mechanisms of autogenous shrinkage of alkali-activated fly ash-slag pastes cured at ambient temperature within 24 h Open
This paper aims to provide a better understanding of autogenous shrinkage of alkali-activated fly ash-slag (AAFS) pastes at very early age (<24 h). The autogenous shrinkage of AAFS pastes with 10%, 20% and 30% slag replacement ratios of fl…
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Usage of supplementary cementitious materials: advantages and limitations Open
It is well known that cement production is not neutral for natural environment among others due to high CO 2 emission. Different strategies of mitigation of negative environmental impact of its production are developed. One of the ways is …
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Morphology-structural change of C-A-S-H gel in blended cements Open
Pastes of white Portland cement (wPC) and wPC-30 % pulverized fuel ash (PFA), -60 % ground granulated blast furnace slag (GGBS), -30 % or 60 % inert filler (anatase-type TiO2) blends were prepared to investigate the dominant factors for mo…
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Zeolite Properties, Methods of Synthesis, and Selected Applications Open
Zeolites, a group of minerals with unique properties, have been known for more than 250 years. However, it was the development of methods for hydrothermal synthesis of zeolites and their large-scale industrial applications (oil processing,…
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The Impact of Halloysite on the Thermo-Mechanical Properties of Polymer Composites Open
Nanotubular clay minerals, composed of aluminosilicate naturally structured in layers known as halloysite nanotubes (HNTs), have a significant reinforcing impact on polymer matrixes. HNTs have broad applications in biomedical applications,…
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Mechanical and microstructural properties of high calcium fly ash one-part geopolymer cement made with granular activator Open
In this present experimental study, geopolymer cement is developed using high calcium fly ash and used in the production of one-part alkali-activated binders. At 8-16 percent of the total precursor materials, the HCFA was activated with an…
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High-Strength Geopolymer Concrete- Properties, Advantages and Challenges Open
Geopolymer is a noble material, made from reaction between aluminosilicate compounds and alkali solution which owns a good binding property. In last decades, lots of research and development works have been carried out globally to investig…
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Incorporation of strontium and calcium in geopolymer gels Open
Radioactive waste streams containing 90Sr, from nuclear power generation and environmental cleanup operations, are often immobilised in cements to limit radionuclide leaching. Due to poor compatibility of certain wastes with Portland cemen…
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The effects of an additive on the release of potassium in biomass combustion Open
This study focuses on the effects of an aluminosilicate additive on the fate of potassium during biomass combustion. Such additives have shown some success in mitigating slagging and fouling problems in boilers and furnaces, and the mobili…
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Water resistance and thermal behavior of metakaolin-phosphate-based geopolymer cements Open
The main target of this work was to investigate the thermal behavior and water resistance of geopolymer cement made from metakaolin as an aluminosilicate source using phosphoric acid solution (10 M) as a hardener. The obtained geopolymer c…
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Atomistic Simulations of Geopolymer Models: The Impact of Disorder on Structure and Mechanics Open
Geopolymers are hydrated aluminosilicates with excellent binding properties. Geopolymers appeal to the construction sector as a more sustainable alternative to traditional cements, but their exploitation is limited by a poor understanding …