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Emission reduction of aluminium anodising industry by production of Mg2+-Al3+-SO42--hydrotalcite-type compound

, : Emission reduction of aluminium anodising industry by production of Mg2+-Al3+-SO42--hydrotalcite-type compound. Chemosphere 62(1): 155-162

The synthesis of Mg2+-Al3+-SO42--hydrotalcite-type compound from the acid wastewaters of the aluminium anodising industry has been studied as a possible way of reducing the emissions to the environment, recovering simultaneously resource materials as a valuable mineral. The process of synthesis was carried out using rinse wastewater solutions generated from the anodising treatment when a cascade rinsing system is employed.


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