材料科学
碱金属
制浆造纸工业
粉煤灰
碳化作用
核化学
废物管理
生物量(生态学)
氢氧化钠
原材料
硅酸盐水泥
复合材料
作者
Lourdes Soriano,Alba Font,Mauro Mitsuuchi Tashima,José Monzó,María Victoria Borrachero,Thaís Bonifácio,Jordi Payá
标识
DOI:10.1016/j.conbuildmat.2021.123251
摘要
Abstract The use of almond-shell biomass ash (ABA) as an alternative component to the commercial reagents used in the activation of blast furnace slag (BFS) systems is investigated. The presence in its chemical composition of a high content of K2O indicates that it can alkalinize the medium. 100% waste-based mixtures ABA/BFS were studied by micro- and macrostructural tests. A compressive strength of 44 MPa was achieved by the mortar with 25% ABA addition cured for 7 days at 65 °C. The microstructural analysis showed the formation of slightly different C(K)-A-S-H gels to those formed when using KOH. The use of ABA in BFS mortars is shown as a greener alternative for construction materials because the replacement of synthetic chemical reagents that produced around a 75–80% of reduction in the values of kgCO2eq/m3 material.
科研通智能强力驱动
Strongly Powered by AbleSci AI