Heavy Metals (Cr (VI), Cd (II) and Pb (II)) Ions Removal by Modified Jute: Characterization and Modeling

محورهای موضوعی : Journal of Physical & Theoretical Chemistry

M. Yari ¹ , M. A. Mohsen ² , F. Khojasteh ³ , O. Moradi ⁴

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تاریخ دریافت : 1394/02/05 تاریخ پذیرش : 1394/02/05 تاریخ انتشار : 1386/08/10

کلید واژه: Heavy Metals, Jute, Kinetic adsorption, Freundlich isotherm, Langmuir isotherm,

چکیده مقاله :

Jute modified has been used for adsorption of Cr (VI), Cd (II) and Pb (II) ions over a range ofinitial metal ion concentration. Adsorption process is done in batch mode. Adsorption isotherms ofthe heavy metals on adsorbents prepared were determined and correlated with common isothermequations. It was found that the Freundlich isotherm is better than Langmuir for explaining thebehavior of adsorption. The effect of some parameters such as adsorbent quantity, pH value andtemperature were investigated. The enlargement of pH value until 5 and adsorbent quantityincrease the adsorption quantity. Whereas exceed of the temperature has the reverse effect.