37.  Studies Concerning the Aluminium Ions Removal from Waste Water

Authors: Adina Negrea, P. Negrea, Lavinia Lupa, Adriana Dinu, Georgeta Burtica


Abstract:

In the paper were established the optimum conditions of aluminium removal from residual industrial waters. In the frame of the experimental study the parameters of the initial water have been determinate. In the situations in which the residual effluents volume is small, the proceeding being discontinuous its applied the physical chemical independent treatment of this. The precipitation agents used in classic mod are lime milk, sodium hydroxide or sodium carbonate. The neutralisation process of the effluent must be lead in the pH limits = 6.5 8.5 in accordance with the indicators of the waste waters quality evacuated in sewerage system.


Keywords: precipitation, aluminium ions removal, waste water

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