Geopolymers, inorganic polymers, alkali-activated materials and hybrid binders from bauxite residue (red mud)–Putting things in perspective

T Hertel, Y Pontikes - Journal of Cleaner Production, 2020 - Elsevier
The use of the alumina production waste bauxite residue (BR) in alkali-activated materials
(AAM), such as geopolymers, inorganic polymers and hybrid binders, is attracting …

Geopolymerization mechanism of binder-free mine tailings by sodium silicate

B Koohestani, P Mokhtari, E Yilmaz… - … and Building Materials, 2021 - Elsevier
The geopolymerization of solid substances rich in calcium and aluminum including mine
tailings by sodium silicate is mainly believed to be under the influence of alkali activation …

Effect of high gamma radiation dosage and elevated temperature on the mechanical performance of sustainable alkali-activated composite as a cleaner product

M Ramadan, MS Amin, SA Waly, A Mohsen - Cement and Concrete …, 2021 - Elsevier
This study aims to prepare novel and eco-sustainable alkali-activated cementitious products
that resist fire and harmful radiation. The blends were prepared from partial replacement of …

NORM waste, cements, and concretes. A review

F Puertas, JA Suárez-Navarro, M Alonso López… - 2021 - digital.csic.es
The use of industrial waste and/or by-products as alternative sources of raw materials in
building materials has become standard practice. The result, more sustainable construction …

Olive biomass ash as an alternative activator in geopolymer formation: A study of strength, radiology and leaching behaviour

MM Alonso, C Gascó, MM Morales… - Cement and Concrete …, 2019 - Elsevier
Chemical, physical, mineralogical and radiological characterization of olive biomass fly ash
(OBFA) and bottom ash (OBBA) was main objective to determine their potential use as …

Solidification/stabilization of red mud with natural radionuclides in granular blast furnace slag based geopolymers

Z Luo, Y Hao, Y Mu, C Tang, X Liu - Construction and Building Materials, 2022 - Elsevier
Red mud is a NORM residue of aluminum industry, and its large storage endangers
environmental safety. In this study, red mud was used to prepare geopolymers to dilute its …

The influence of Pb addition on the properties of fly ash-based geopolymers

V Nikolić, M Komljenović, N Džunuzović… - Journal of Hazardous …, 2018 - Elsevier
Preventing or reducing negative effects on the environment from the waste landfilling is the
main goal defined by the European Landfill Directive. Generally geopolymers can be …

Highly effective remediation of high arsenic-bearing wastewater using aluminum-containing waste residue

N Yang, X Qi, Y Li, G Li, X Duan - Journal of Environmental Management, 2023 - Elsevier
Wastewater from non-ferrous metal smelting is known as one of the most dangerous sources
of arsenic (As) due to its high acidity and high arsenic content. Herein, we propose a new …

Green alkali-activated mortar: Sustainable use of discarded cathode-ray tube glass powder as precursor

WJ Long, HD Li, H Ma, Y Fang, F Xing - Journal of cleaner production, 2019 - Elsevier
With technological development, the cathode-ray tubes (CRTs) are being phased out and
discarded. However, the discarded CRT is non-degradable, and the presence of lead in it …

New Approach to Determine the Activity Concentration Index in Cements, Fly Ashes, and Slags on the Basis of Their Chemical Composition

A Caño, JA Suárez-Navarro, F Puertas… - Materials, 2023 - mdpi.com
The manufacture of Portland cement entails high energy and environmental costs, and
various solutions have been implemented in recent years to mitigate this negative impact …