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Manuel sur l'élimination du chrome(VI) des eaux usées
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ISBN10: 6209940986
ISBN13: 9786209940989
Publisher: Editions Notre Savoir
Published: May 14 2026
Pages: 64
Weight: 0.22
Height: 0.15 Width: 6.00 Depth: 9.00
Language: French
ISBN13: 9786209940989
Publisher: Editions Notre Savoir
Published: May 14 2026
Pages: 64
Weight: 0.22
Height: 0.15 Width: 6.00 Depth: 9.00
Language: French
Cet ouvrage passe en revue les méthodes d'élimination du chrome des eaux usées ou des solutions aqueuses à l'aide d'adsorbants conventionnels et non conventionnels. Comme nous le savons, le chrome est largement utilisé dans diverses industries telles que le textile, le cuir, la fabrication de produits chimiques, la finition des métaux, la peinture, etc. Les effluents de ces industries contiennent du chrome sous forme de chrome trivalent (Cr+3) et de chrome hexavalent (Cr+6). Le chrome hexavalent est une substance chimique hautement toxique, mutagène et cancérigène; il est donc impératif d'éliminer le chrome (VI) des effluents industriels avant de les rejeter dans les réseaux d'eau ou sur les sols. Les méthodes de traitement conventionnelles telles que la filtration, la précipitation chimique, les procédés membranaires, l'extraction par solvant, l'échange d'ions, etc. sont utilisées lorsque le chrome est présent en grandes quantités et lorsque sa récupération est économiquement viable. La technique d'adsorption utilisant des adsorbants conventionnels et non conventionnels pour l'élimination du chrome métallique est privilégiée car elle constitue une méthode de traitement alternative potentielle et économiquement viable, en particulier lorsque le chrome est présent en faibles quantités.
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