Results 11 to 20 of about 25,921 (279)
FES Journal of Engineering Sciences, 2021 The standard mix ratio of lime: pozzolana specified by all standards is 1:2 by weight to produce lime pozzolan cement (LPC) with the minimum required strength of 4 MPa. This ratio may be affected by many factors such as the quality of lime and pozzolana, in adition to the quantity of amorphous silica in pozzolana.
El-Sharif M. I +2 more
openaire +2 more sources
Effect of mixing metakaolins: Methodological approach to estimate metakaolin reactivity
Ceramics International, 2023 International audience ; Geopolymers are obtained from an alkali silicate solution and aluminosilicate sources. The source commonly used geopolymer is metakaolin. The chemical composition, extraction site or calcination process of metakaolin influence its reactivity and thus the properties of the consolidated samples.
W. N'cho +5 more
openaire +2 more sources
Crystals, 2021 In this paper, synthetic metakaolin with fixed composition (Al2O3·2SiO2) was produced by a simple chemosynthetic route. The chemosynthetic metakaolin can eliminate the influence of impurities in metakaolin from natural kaolin minerals.
Guoru Ma +3 more
doaj +1 more source
Encapsulation of Cs/Sr contaminated clinoptilolite in geopolymers produced from metakaolin [PDF]
, 2015 The encapsulation of caesium (Cs) and strontium (Sr) contaminated clinoptilolite in Na and K based metakaolin geopolymers is reported. When Cs or Sr loaded clinoptilolite is mixed with a metakaolin geopolymer paste, the high pH of the activating solution
Bensted, J +6 more
core +1 more source
Effect of metakaolin content on mechanical and water barrier properties of cassava starch films
South African Journal of Chemical Engineering, 2022 The development of biodegradable polymers has seen considerable growth in recent decades, in particular biopolymer films based on cassava, potato and corn starch for packaging applications.
Namory Méité +3 more
doaj +1 more source
Hydrometallurgical extraction of Al and Si from kaolinitic clays [PDF]
, 2017 Herein is presented the results of a study on the hydrometallurgic extractionand recovery of aluminum and silicon by leaching of kaolinitic clays with HF. Thestudied extraction parameters were: temperature, reaction time, solid/liquid ratio,concentration,
Pinna, Eliana Guadalupe +3 more
core +3 more sources
Kajian Dehidroksilasi Termal Kaolin menjadi Metakaolin menggunakan Analisis Termogravimetri
Alchemy, 2021 Kaolin merupakan mineral yang banyak dimanfaatkan di berbagai industri. Kaolin dapat diubah menjadi metakaolin yang lebih reaktif melalui proses dehidroksilasi termal.
Aprilina Purbasari +1 more
doaj +1 more source
Failure and impact behavior of facade panels made of glass fiber reinforced cement(GRC) [PDF]
, 2011 GRC is a cementitious composite material made up of a cement mortar matrix and chopped glass fibers. Due to its outstanding mechanical properties, GRC has been widely used to produce cladding panels and some civil engineering elements.
A. Enfedaque +18 more
core +3 more sources
Influence of Thermal Treatment on Kankara Kaolinite [PDF]
, 2013 In this work, the influence of thermal treatment on the structure of Kankara kaolinite was studied for the first time, using X-ray diffractogram (XRD), EDX, NanoSEM, FTIR-Attenuated Total Reflectance, DTA/TGA and BET surface area measurements.
Aderemi, BO +4 more
core +1 more source
An alternative methodology to predict aging effects on the mechanical properties of glass fiber reinforced cement (GRC) [PDF]
, 2012 The effect of three different aging methods (immersion in hot water, freeze–thaw cycles and wet–dry cycles) on the mechanical properties of GRC were studied and compared.
Enfedaque Díaz, Alejandro +2 more
core +3 more sources