Almond-shell biomass ash (ABA): A greener alternative to the use of commercial alkaline reagents in alkali-activated cement
نویسندگان
چکیده
The use of almond-shell biomass ash (ABA) as an alternative component to the commercial reagents used in activation blast furnace slag (BFS) systems is investigated. presence its chemical composition a high content K2O indicates that it can alkalinize medium. 100% waste-based mixtures ABA/BFS were studied by micro- and macrostructural tests. A compressive strength 44 MPa was achieved mortar with 25% ABA addition cured for 7 days at 65 °C. microstructural analysis showed formation slightly different C(K)-A-S-H gels those formed when using KOH. BFS mortars shown greener construction materials because replacement synthetic produced around 75–80% reduction values kgCO2eq/m3 material.
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ژورنال
عنوان ژورنال: Construction and Building Materials
سال: 2021
ISSN: ['1879-0526', '0950-0618']
DOI: https://doi.org/10.1016/j.conbuildmat.2021.123251