Abstract

Kinetic and thermodynamic studies of the adsorption of Malachite Green dye onto Elaeagnus Kernel powder

Author(s): Sheyda Habibi and Ali Shamel

Supplies pollution by numerous pollutants is a global issue. Among numerous water pollutants, taxonom is an important pollutant. This research used buckthorn to adsorb Malachite Green as a cation taxonom from aqueous .This research shows the effect of several operative parameters such as contact duration time , primary taxonom concentration (5-30 g/l) adsorbent dose (0.025-1 g/l) and PH(5-11) in a discontinuous system. Concentration of solution measured before and after adsorption by spectrophotometer. The adsorption data evaluated successfully according to ASAMI. Adsorption kinetics data analyzed by two kinetics model; quasi second order and intra molecular infiltration in order to figure out the adsorption operation of Green Malachite with buckthorn seed powder. According to research results by increasing in tangency time , PH and adsorbent dose ;there is an increasing in taxonom elimination efficiency also by ESM several models in Malachite Green taxonomy elimination process with buckthorn seed powder showed that obeys quasi second order kinetics model .ESM model explains the results of adsorption well. Thermodynamics parameter showed adsorption is automatic and pyrogenic. This research showed that buckthorn seed powder could be used as an effective and inexpensive adsorbent.

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