Natural pozzolan based geopolymers: A review on mechanical, microstructural and durability characteristics

R Firdous, D Stephan, JNY Djobo - Construction and Building Materials, 2018 - Elsevier
Natural pozzolans are tremendous source of reactive silica and alumina required for
geopolymer synthesis as an alternative binder for ordinary Portland cement. They are …

[HTML][HTML] Cation exchange of natural zeolites: Worldwide research

F Morante-Carballo, N Montalván-Burbano… - Sustainability, 2021 - mdpi.com
Research on natural zeolites (NZ) has increased over the years, showing potential in
different areas, and many of them involve cation exchange (CE), considered one of the …

Effect of calcination on the reactivity of natural clinoptilolite zeolites used as supplementary cementitious materials

LE Burris, MCG Juenger - Construction and Building Materials, 2020 - Elsevier
This study examined several sources of natural clinoptilolite zeolite calcined at temperatures
of 300° C-965° C, tracking changes in phase content, particle size, surface area, and pore …

Effects of calcination and milling pre-treatments on natural zeolites as a supplementary cementitious material

C Florez, O Restrepo-Baena, JI Tobon - Construction and Building …, 2021 - Elsevier
In this research, the effects of calcination and conventional milling, individually and as a
combination of pre-treatments, on the pozzolanic activity of natural zeolites were analyzed …

Overview of cement and concrete production in Latin America and the Caribbean with a focus on the goals of reaching carbon neutrality

Y Villagrán-Zaccardi, R Pareja, L Rojas… - RILEM Technical …, 2022 - letters.rilem.net
Carbon neutrality to limit global warming is an increasing challenge for all industries,
particularly for the cement industry, due to the chemical emission of the process. For …

Application-oriented mix design optimization and characterization of zeolite-based geopolymer mortars

NA Ulloa, H Baykara, MH Cornejo, A Rigail… - … and Building Materials, 2018 - Elsevier
In the present study, geopolymer mortar samples (ZGM) were prepared based on natural
zeolites in which the effect of the addition of the MCI-2005 NS migratory type corrosion …

Exploring the utilization of activated volcanic ash as a substitute for Portland cement in mortar formulation: A thorough experimental investigation

A Játiva, M Etxeberria - Materials, 2024 - mdpi.com
The manufacture of natural pozzolans as cement products is economically affordable and
contributes to CO2 mitigation in the cement-based materials industry. Through two …

Effect of cement composition on the early hydration of blended cements with natural zeolite

VF Rahhal, Z Pavlík, A Tironi, CC Castellano… - Journal of Thermal …, 2017 - Springer
This paper studies the addition (0–40% w/w) of natural zeolite (NZ, 84% clinoptilolite) in
blended cements made with Portland cement (PC) with low and medium C 3 A content. The …

An investigation of the effect of migratory type corrosion inhibitor on mechanical properties of zeolite-based novel geopolymers

NU Auqui, H Baykara, A Rigail, MH Cornejo… - Journal of Molecular …, 2017 - Elsevier
The effects of migratory type corrosion inhibitor and curing time on the thermal stability and
mechanical properties of Ecuadorian natural zeolite-based geopolymers were evaluated …

Impact of Calcined Natural Clinoptilolite Zeolite on Hydration Kinetics and Shrinkage of Cementitious Materials

MS Islam, BJ Mohr - Advances in Civil Engineering …, 2024 - asmedigitalcollection.asme.org
Previous literature has provided contradictory results, so we present the current investigation
to provide additional information to assess the suitability of using soak calcination as a …