Title: Fixation du Victoria Bleu Basique en solution aqueuse par adsorption: �valuation de la capacit� d?adsorption d?un mat�riau naturel (la sciure de bois) (Omn.Univ.Europ.) (French Edition)
Publisher: �ditions universitaires europ�ennes
Publication Date: 2016
Language: French
ISBN 10: 3841677959
ISBN 13: 9783841677952
Binding: Soft cover
Condition: New

About this title

Synopsis

La pr�sente �tude a eu pour but d’�valuer la capacit� d’adsorption d’un mat�riau naturel(la sciure de bois finement divis�e) pour �liminer le Victoria bleu basique (colorant textile). Les r�sultats obtenus ont �t� compar�s avec ceux obtenus avec l’adsorbant universel, le charbon actif en poudre. Diff�rents param�tres influen�ant la capacit� d’adsorption de ce colorant tels que le pH, la masse de l’adsorbant, le temps de contact, et la temp�rature ont �t� d�termin�s. Les �quilibres, la cin�tique et la thermodynamique de l’adsorption ont �t� �tudi�s. La r�action de surface est de pseudo-second ordre, avec r2 = 0,9999. Le mod�le th�orique de Langmuir exprime correctement les �quilibres de l’adsorption avec r2 = 0,9998. Les param�tres thermodynamiques de la r�action d’adsorption ont �t� d�termin�s et indiquent une chimisorption (ΔH� =109,682 Kj.mole-1).

About the Author

Fouad MEKHALEF BENHAFSA, n� le 19/9/1982 � Sidi-Bel-Abb�s, Alg�rie. Ancien �l�ve du CEM et Lyc�e AZZA Abdelkader; doctorant en chimie � l’UDL et enseignant vacataire � la facult� de m�decine, d�partement de pharmacie, Universit� Djillali Liab�s (UDL) de Sidi-Bel-Abb�s; membre au laboratoire des mat�riaux et syst�mes r�actifs de l'UDL, �quipe de GP.

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