Influence of chloride on sodium aluminosilicate solubility in Bayer liquor

Abstract

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Effect of Alkalinity on Zeolite LTN Formation under Bayer Process Pre-desilication Conditions

“…All four solid samples exhibit weight loss below 150 °C, ranging from about 7 to 17%. This represents the stage for the majority of the water trapped within the zeolite lattice (zeolitic water) to be released and evaporated. , For SOD, there is only minimal weight loss after this stage up to 1030 °C, with the total weight loss being less than 10%. This means that SOD is stable for the testing temperature range, which is different from the SOD phase made from a kaolinite source, as reported by Vogrin et al However, the other three phases show a different profile with heating.…”