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Aswan clay as sorbent for removal of Cr(III) and Cr(VI) from synthetic solution and tannery wastewater / O. A. Mohamed in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 89, N° 5 (09-10/2005)
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Titre : Aswan clay as sorbent for removal of Cr(III) and Cr(VI) from synthetic solution and tannery wastewater Type de document : texte imprimé Auteurs : O. A. Mohamed, Auteur ; S. A. Sayed, Auteur ; H. S. Mohamady, Auteur ; N. H. El-Sayed, Auteur Année de publication : 2005 Article en page(s) : p. 204-209 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Absorbants et adsorbants
Adsorption
Argile
Caractérisation
Chrome trivalent -- Absorption
Déchets industriels -- Elimination
Eaux usées -- Epuration
Eaux usées -- Teneur en chrome trivalent
Isotherme d'adsorption
Tannage -- DéchetsIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The sorption on Aswan clay of Cr(III) and Cr(VI) from synthetic solution and tannery wastewater has been studied. The clay has been characterized and used for the removal of chrome. The adsorption was studied as a function of pH, contact time, adsorbate concentration, loading, temperature and interfering ions. The equilibrium data fitted well with a Freundlich adsorption isotherm, where the Kf and n values are 2.08 - 4.6 for Cr(VI), 14.45 - 2.5 for Cr(III) and 8.31 - 2.4 for tannery wastewater. In our study we choose Aswan clay, which is low in cost, to aid the economy of the process. Adsorption studies indicated that chrome removal is 77% for CrVI, 90% for CrIII and 75% for a tannery wastewater. Note de contenu : - MATERIALS AND METHODS : Adsorbents
- CHARACTERISTICS OF ASWAN CLAY : X-ray diffraction analysis - Adsorbates - Chemicals - Instrumentation - Methods
- RESULTS AND DISCUSSION : Effect of pH - Effect of agitation time - Effect of adsorbent loading - Effect of adsorbate concentration - Effect of temperature - Effect of some anions on chromium (VI) removal
- ADSORPTION ISOTHERMSEn ligne : https://drive.google.com/file/d/1TtT-yFTYThWUEKw5oSLffFro0XdfeHyr/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39231
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 89, N° 5 (09-10/2005) . - p. 204-209[article]Exemplaires
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