نتایج جستجو برای: metakaolin

تعداد نتایج: 805  

Journal: :International Review of Applied Sciences and Engineering 2023

Abstract The manufacturing of cement liberates the green-house gasses into atmosphere. To overcome this problem so many alternative materials has been invented by researchers to minimize addition cement. incorporation these as cementitious material in concrete enhances attributes concrete. In scenario metakaolin gained momentum a substitution Most studied performance incorporating normal curing...

Journal: :Journal of composites science 2022

Construction and demolition waste (CDW) is the third-most abundant generated annually in countries of European Union. One alternatives to use these wastes geopolymeric materials. Partial replacement commonly used raw materials for production can help reduce number landfills consumption natural resources. In this study, authors partially replaced metakaolin fly ash with clay bricks concrete debr...

2017
Dražen Vouk Marijana Serdar Aleksandra Anić Vučinić

Original scientific paper In the paper an experimental research has been carried out regarding the possibility for the use of incinerated sewage sludge ash (ISSA) in the production of cement mortars with partial cement replacement. Different mixtures of cement mortar have been investigated, with comparison of its basic characteristics with and without certain amounts of added ISSA that was inci...

2013
Amr Ibrahim I. A. Ibrahim A. T. Kandil

In this study, a novel approach to metakaolin dealumination to produce aluminum chloride from Egyptian kaolin has been described and the prepared aluminum chloride can be used to produce polyaluminum chlorides (PACs) with various basicities (B = OH/Al values). The prepared PACs which contain Al13 ([AlO4Al12(OH)24(H2O)12] 7+ ) was investigated using XRD and colorimetric method . In XRD spectra, ...

Journal: :Journal of the American Ceramic Society 2012

Journal: :International Journal for Research in Applied Science and Engineering Technology 2020

2006
John L. Provis Peter Duxson Grant C. Lukey Jannie S. J. van Deventer

Geopolymers are a class of X-ray amorphous alkali aluminosilicate gel binder materials with potential applications in a wide range of areas. In particular, geopolymers can provide significant improvements over traditional Portland cement technology in applications requiring resistance to acid or salt attack, or thermal stability at temperatures up to 1000°C. The quasi-zeolitic nature of some of...

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