Influence of industrial effluent treatment ettringite on the compressive and tensile strength and microstructure of soil-cement mixtures
Angélica Rios,
Fernando Sguarezi,
Cláudia Benatti
et al.
Abstract:It is increasingly important to find solutions for the problem of the aluminium anodising industry which generates a large amount of acid and alkaline wastewater, composed of high amounts of phosphates, sulphates, nitrates and aluminium. The sulphate removal trough ettringite precipitation is a simple process and involves a low-cost operating. The ettringite can be also formed during the cement hydration in soil-cement mixtures which causes several damages such as expansion. However, the effect of ettringite o… Show more
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