Results 51 to 60 of about 7,891 (225)
Wastes materials in geopolymers [PDF]
, 2015 A promising process, often indicated as geopolymerization, describes the formation of an aluminosilicate amorphous matrix where Ca is absent or contained in low amount.
Leonelli C. +3 more
core +1 more source
Effect of alkali activators on diffusivity of metakaolin-based geopolymers [PDF]
, 2021 A basic investigation into whether a geopolymer can be utilized as a part of an artificial barrier during radioactive waste disposal was conducted in this study. Geopolymers are comprised primarily alumina and silica, and they exhibit negligible leaching
Omatu, Hiroaki +2 more
core +1 more source
Enhanced reactivity of geopolymers produced from fluidized bed combustion bottom ash
South African Journal of Chemical Engineering, 2020 In this study, waste bottom ash obtained from fluidized bed combustion of low-grade South African coal in a bubbling fluidized bed reactor was used to produce geopolymers.
Tobi Stephen Osholana +3 more
doaj +1 more source
Case Studies in Construction Materials, 2021 This study examines the development of geopolymers from clinoptilolite, mordenite, and analcime and compares the properties of the resulting green-binding materials. Sodium silicate and sodium hydroxide solutions were used as activators.
Didem Güngör, Sevgi Özen
doaj +1 more source
Comprehensive review of the properties of fly ash-based geopolymer with additive of nano-SiO2
Nanotechnology Reviews, 2022 Nano-SiO2 is a non-toxic, tasteless, and pollution-free material with hydroxyl groups that facilitate the adsorption of water on its surface. Nano-SiO2 is characterized by small particle size, high purity, low density, large surface area, and good ...
Han Qiaoyi +5 more
doaj +1 more source
New selective dissolution process to quantify reaction extent and product stability in metakaolin-based geopolymers [PDF]
, 2019 A selective dissolution process is developed that can quantify the amount of soluble material, geopolymer gel and remnant unreacted precursor in metakaolin-based geopolymer systems and determine the nanostructural features of the raw materials and ...
Zhang, Zuhua +11 more
core +1 more source
Shaping Carbon Nitrides for Advanced Macrostructures
Advanced Materials Technologies, EarlyView.This review examines how carbon nitride can be shaped through a range of printing and interfacial assembly methods. By bringing together additive manufacturing and liquid–liquid structuring concepts, carbon nitride is moving beyond its traditional powder‐based photocatalyst form toward digitally designed robust macroscale architectures with high design
Simona Baluchová, Baris Kumru
wiley +1 more source
Advanced Science, EarlyView.This study presents a transferable modeling framework for carbon capture using aluminosilicates, integrating Universal Isotherm Modeling with experimental data. It reveals how ultramicropores, alumina content, and amine functionalization influence CO2 adsorption energetics.
Pooja Anil Kumar Nair +4 more
wiley +1 more source
3D printing geopolymers: A review [PDF]
, 2022 Geopolymers have been considered as a promising alternative to cementitious materials for 3D printing to enhance sustainability of the construction industry.
Zhong, Hui, Zhang, Mingzhong
core
Results in Physics, 2018 Geothermal clay rich in kaolinite was first prepared into geopolymers in the preparation of alkali-activated cementitious binders (AACBs). Effects of silica sand and steel fiber aggregates on the microstructure and mechanical strength of the geothermal ...
Xing Li +5 more
doaj +1 more source