Journal ArticleDOI
Geopolymer technology: the current state of the art
Peter Duxson,Ana Fernández-Jiménez,John L. Provis,Grant C. Lukey,Ángel Palomo,J.S.J. van Deventer +5 more
TLDR
A brief history and review of geopolymer technology is presented with the aim of introducing the technology and the vast categories of materials that may be synthesized by alkali activation of aluminosilicates as mentioned in this paper.Abstract:
A brief history and review of geopolymer technology is presented with the aim of introducing the technology and the vast categories of materials that may be synthesized by alkali-activation of aluminosilicates. The fundamental chemical and structural characteristics of geopolymers derived from metakaolin, fly ash and slag are explored in terms of the effects of raw material selection on the properties of geopolymer composites. It is shown that the raw materials and processing conditions are critical in determining the setting behavior, workability and chemical and physical properties of geopolymeric products. The structural and chemical characteristics that are common to all geopolymeric materials are presented, as well as those that are determined by the specific interactions occurring in different systems, providing the ability for tailored design of geopolymers to specific applications in terms of both technical and commercial requirements.read more
Citations
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A novel inorganic thermal insulation material utilizing perlite tailings
TL;DR: In this paper, a new kind of light foamy thermal insulation materials were prepared utilizing perlite tailings by an energy-saving and environment-friendly method, which showed low thermal conductivities (0.040-0.060 W·m−1·K−1) with low apparent densities ( 0.1−0.2
Journal ArticleDOI
Geopolymers produced with fly ash and rice husk ash applied to CO2 capture
Alisson Lopes Freire,Camilla Daniela Moura-Nickel,Gidiane Scaratti,Andreia De Rossi,Maria Helena Araujo,Agenor De Noni Junior,Alírio E. Rodrigues,Enrique Rodríguez Castellón,Regina de Fátima Peralta Muniz Moreira +8 more
TL;DR: In this article, the application of geopolymers produced with fly ash and rice husk ash as an adsorbent material for the capture of CO2 was reported, and different formulations were used to produce mechanical resistance and CO2 adsorption capacity materials.
Journal ArticleDOI
Preparation Conditions for the Synthesis of Alkali-Activated Binders Using Tungsten Mining Waste
TL;DR: Partial financial support from the European Commission Horizon 2020’s MARIE Sklodowska-CURIE Research and Innovation Staff Exchange Scheme through the grant 645696 (ie REMINE project) is greatly acknowledged as discussed by the authors.
Journal ArticleDOI
Construction and demolition waste-based geopolymers suited for use in 3-dimensional additive manufacturing
Oğuzhan Şahin,Oğuzhan Şahin,Hüseyin İlcan,Anıl Tolga Ateşli,Anıl Kul,Gürkan Yıldırım,Mustafa Şahmaran +6 more
TL;DR: In this article, the authors evaluated the performance of CDW-based geopolymers in terms of rheological properties for 3D-AM applications and selected a single mixture to be used in laboratory-scale 3D printing.
Journal ArticleDOI
Metakaolin as a precursor of materials for applications in Cultural Heritage: Geopolymer-based mortars with ornamental stone aggregates.
Marina Clausi,Serena C. Tarantino,Laura Lorenza Magnani,Maria Pia Riccardi,Cristina Tedeschi,Michele Zema +5 more
TL;DR: In this article, the potentialities and suitability of metakaolin-based geopolymers in Cultural Heritage have been explored, in order to evaluate their possible use as restoration materials in conservation of historic manufactures, mortars have been prepared by adding aggregates of Italian ornamental stones to alkali-activated metakaolins with binder/sand ratio of 1:1.
References
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Journal ArticleDOI
Geopolymers : inorganic polymeric new materials
TL;DR: In the last few years, technological progress has been made in the development of new materials such as "geopolymers" and new techniques, such as ''sol-gel'' as mentioned in this paper, opening up new applications and procedures and transforming ideas that have been taken for granted in inorganic chemistry.
Book
High-resolution solid-state NMR of silicates and zeolites
Günter Engelhardt,Dieter Michel +1 more
TL;DR: High-Resolution NMR of Solids and Adsorbed Molecules as mentioned in this paper is a well-known technique for high-resolution NMR for solids and adsorbed molecules.
Journal ArticleDOI
Industrially interesting approaches to “low-CO2” cements ☆
TL;DR: In this paper, the authors discuss the practicality of replacing portland cements with alternative hydraulic cements that could result in lower total CO 2 emissions per unit volume of concrete of equivalent performance.
Journal ArticleDOI
The geopolymerisation of alumino-silicate minerals
Hua Xu,J.S.J. van Deventer +1 more
TL;DR: In this paper, the effect of mineral properties on the compressive strength of the synthesized geopolymer was investigated, and it was shown that a wide range of natural Al-Si minerals could serve as potential source materials for the synthesis of geopolymers.