volume 39, issue 10, P2096-2104 2005
DOI: 10.1016/j.watres.2005.03.017
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E. Álvarez-Ayuso, H.W. Nugteren

Abstract: Synthesis of dawsonite was studied as a way to deal with the etching waste streams of the aluminium anodising industry in order to reduce the emissions to the environment and also to recover useful and marketable mineral resource materials. The process of synthesis was carried out using two different waste streams arising from the etching section of an anodising process when a cascade rinsing system is employed, the spent etching bath solution (132 g/l of Al and 151 g/l of Na), and the first stage effluent fro…

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