PREPARATION OF ALKALI SALT SOLUTIONS
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United States of America
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Nov 28, 2024
app pub date -
Sep 27, 2022
filing date -
Sep 27, 2022
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Abstract
A process of preparing an alkali salt solution for the production of catalysts or promoters of catalysts, the process comprising the steps of: (i) Passing a solution containing a mixture of potassium, rubidium and caesium sulfates through an evaporative crystallisation step to obtain a potassium containing salt, and a solution comprising rubidium and caesium sulfate; (ii) Further evaporative crystallisation of the liquid product of step (i) to obtain a rubidium containing salt and a solution enriched in caesium sulfate; and (iii) Mixing one or more of the obtained salts and the solution at a desired ratio to prepare the alkali salt solution.
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