Élimination du bleu de méthylène des eaux usées à l'aide de Vitex Doniana synthétisé
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Élimination du bleu de méthylène des eaux usées à l'aide de Vitex Doniana synthétisé

Élimination du bleu de méthylène des eaux usées à l'aide de Vitex Doniana synthétisé


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About the Book

Cet ouvrage a évalué les caractéristiques du charbon actif modifié par le chlorure de zinc de vitex doniana (VDZnCl2) pour l'élimination du bleu de méthylène. Le VDZnCl2 a été caractérisé pour ses propriétés texturales, sa morphologie de surface et sa chimie de surface. L'adsorption par lots du bleu de méthylène par le VDZnCl2 a été évaluée pour les effets de la concentration, du temps de contact, du dosage de l'adsorbant et du pH de la solution. La surface a augmenté de 14 à 933 m2/g avec une texture poreuse pour faciliter l'adsorption. La micrographie MEB a montré des variétés de pores avec des cavités élargies. Les spectres FTIR ont montré les caractéristiques des groupes O-H et C=C que l'on trouve couramment dans les matériaux carbonés. L'adsorption maximale de bleu de méthylène a été enregistrée à 238 mg/g à une concentration de 1 à 800 mg/L et à un dosage de VDZnCl2 de 50 mg. L'isotherme de Sips correspondait bien aux données d'équilibre, suggérant que l'adsorption par VDZnCl2 était un processus physique sur sa surface hétérogène, tandis que l'applicabilité de la cinétique de pseudo-premier ordre implique que la diffusion externe était le mécanisme de contrôle du taux. Les performances du VDZnCl2 suggèrent qu'il s'agit d'un substitut d'adsorbant potentiel pour le traitement des eaux usées de teinture.


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Product Details
  • ISBN-13: 9786205889862
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Editions Notre Savoir
  • Height: 229 mm
  • No of Pages: 84
  • Spine Width: 5 mm
  • Width: 152 mm
  • ISBN-10: 6205889862
  • Publisher Date: 11 Apr 2023
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Weight: 186 gr


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