Application of Auminium Coagulants for the Removal of Sulphate from Mine Water

Mykola Gomelya, Inna Trus and Tetyana Shabliy
National Technical University of Ukraine “Kyiv Polytechnic Institute” Chemical Engineering Faculty, Department of Ecology and Plant Polymers Technology 37, Peremogy Ave., 03056 Kyiv, Ukraine;
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The results of treatment of solutions with high sulphates concentration and the high rate of water hardness are given. It is shown that significant reduction of secondary pollution by chlorides is achieved through integrated use of aluminium hydroxchloride and sodium aluminate coagulants. It was found that the efficiency of water purification from sulphates and water softening can be increased with the carbon dioxide processing.

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