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ECN publicatie:
Zoutverwijdering uit rookgasreinigingsresiduen
Gepubliceerd door: Publicatie datum:
ECN 1997
ECN publicatienummer: Publicatie type:
ECN-C--97-017 ECN rapport
Aantal pagina's: Volledige tekst:
33  Niet beschikbaar.

The purpose of the study on the title subject is to gain insight into thepossibility for a selective washing out of salts from flue gas purification residues (from waste incinerators) in order to improve the quality of the waste water to the level of quality of the composition of seawater. The aim of this study is to assess whether the discharge of the separated salts to the sea is feasible and environmentally acceptable. Several separation methods are analyzed on a laboratory level. The chemical compositions of the washing water solutions are compared with the composition of the coastal seawater. Based on the experimental results and the chemical activity of the most important elements a two-phase treatment is proposed in which a washing treatment at a high (alkaline) pH-value is followed by neutralization/carbonation of the washing water, if necessary in combination with additives. 19 figs., 5 tabs., 11 refs.

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