Comparison of Kaolin and chemical source for preparation of Nano pore NaA Zeolite membranes [PDF]
Journal of Water and Environmental Nanotechnology, 2016 Zeolite membranes have uniform and nano-sized pores, and they separate molecules based on differences in the molecules size and diffusion properties. Different routes used to prepare zeolite composite membranes include growing zeolite layers from gels on
Mansoor Kazemimoghadam
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Calorimetric study of geopolymer binders based on natural pozzolan [PDF]
, 2017 This paper investigates the kinetics of geopolymerisation in an inorganic polymeric binder based on a natural pozzolan. The heat released by the exothermic geopolymerisation reaction process is monitored under isothermal temperature conditions ...
A Fernández-Jiménez +41 more
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Carbonation-induced mineralogical changes in coal mining waste blended cement pastes and their influence on mechanical and microporosity properties [PDF]
, 2018 The worldwide pursuit of new eco-efficient pozzolans is ongoing. Kaolinite-based waste is an eco-friendly source of recycled metakaolinite, a highly pozzolanic product.
Fernández-Carrasco, Lucía +5 more
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Life cycle assessment to produce LC³ cements with kaolinitic waste from the Amazon region, Brazil
Case Studies in Construction Materials, 2023 The present study was developed with the aim of determining the environmental impact of the production process (cradle-to-gate) of Limestone Calcined Clay Cements (LC³) produced with kaolinitic residues from the Brazilian Amazon, through a life cycle ...
Euler Santos Arruda Junior +2 more
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Extensive reuse of soda-lime waste glass in fly ash-based geopolymers [PDF]
, 2018 The possibility of extensive incorporation of soda-lime waste glass in the synthesis of fly ash-based geopolymers was investigated. Using waste glass as silica supplier avoids the use of water glass solution as chemical activator.
Bernardo, E. +5 more
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Cerâmica, 2011 As zeólitas desde sua descoberta, na forma natural, vêm promovendo grande interesse em aplicações tecnológicas como peneiras moleculares, trocadores iônicos, catalisadores e, principalmente, adsorventes.
V. A. A. de Freitas +2 more
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Study of mullite formation in porcelain stoneware applying isoconversional and IKP methods [PDF]
, 2010 The growth process of mullite in a porcelain stoneware body has been studied under isoconversional, isokinetic relationship and invariant kinetic parameters. Activation energy for mullite crystallisation of over 589–628 kJ mol−1 and a Ln A over 50–59 min−
Pérez, Juan M. +2 more
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Kinetic and morphological differentiation of Ettringites in plain and blended Portland cements using Metakaolin and the ASTM C 452-68 test. Part I: kinetic differentiation. [PDF]
, 2008 22 pages, 3 figures, 5 tables.[ES] En esta Parte I de la investigación, se han logrado verifi- car mediante el ensayo ASTM C 452-68, los resultados obtenidos en anteriores investigaciones realizadas con DRX y SEM y el ensayo Le Chatelier ...
Beckmann, Martin F. +8 more
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The structure of kaolinite and metakaolinite
Epitoanyag - Journal of Silicate Based and Composite Materials, 2007 Building ceramics are gained by fi ring natural clays which contains various materials. The main and the most used mineral is kaolin. Kaolin is a soft, lightweight, often chalk-like sedimentary rock that has an earthy odor. Besides kaolinite, kaolin usually contains quartz and mica and also, less frequently, feldspar, illite, montmorillonite, ilmenite,
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TEM and SAED Characterization of Metakaolin. Pozzolanic Activity [PDF]
, 2012 The present study deals with a characterization of metakaolin pozzolanic activity and its chemical character exhibited in the Ordinary Portland Cement (OPC) blends by means of Transmission Electron Microscopy (TEM) and Selected-Area Electron Diffraction (
Fernandez Martinez, F. +3 more
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