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Title

Adsorption of Malachite Green from Aqueous Solution using Activated Ntezi Clay:Optimization, Isotherm and Kinetic Studies

Year: 1393
COI: JR_IJE-27-6_003
Language: EnglishView: 465
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Authors

r.o ajemba - Department of Chemical Engineering, Nnamdi Azikiwe University, Awka, Anambra, Nigeria

Abstract:

The adsorption of malachite green from aqueous solution using a local low cost adsorbent, acid activated Ntezi clay, was investigated. The low cost adsorbent was activated with differentconcentrations of sulphuric acid and the physicochemical properties of the adsorbent were determined.The structural properties were also analyzed using XRF and XRD. The adsorption process was studiedas a function of different process parameters such as temperature, adsorbent dosage, contact time,particle size and stirring speed. These process parameters were optimized using response surfacemethodology (RSM). The significance of the different process parameters and their combined effect on the adsorption efficiency has been established through a full factorial central composite design. The equilibrium modeling was analyzed using Langmuir, Freundlich, Dubini-Radushkevich and Temkinisotherm equations. The experimental results follow the Langmuir adsorption isotherm. Adsorptionkinetics follows the pseudo-second order equation with intra-particle diffusion as the rate-determining step. This investigation has shown that local mineral clay can be modified and used as a good adsorbent for removal of impurities from contaminated water

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This Paper COI Code is JR_IJE-27-6_003. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/255104/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
ajemba, r.o,1393,Adsorption of Malachite Green from Aqueous Solution using Activated Ntezi Clay:Optimization, Isotherm and Kinetic Studies,https://civilica.com/doc/255104

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