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Title

Application of Light Expanded Clay Aggregate (LECA) as a Low cost and Green Sorbent for Removal of Acid Blue-193 from Aqueous Solutions: Thermodynamic, Isotherm, Kinetic, and Modeling Studies

Year: 1394
COI: ACCE01_010
Language: EnglishView: 535
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Authors

Mona Nazary - Department of Chemical Engineering, Kermanshah University of Technology,Kermanshah, Iran
Peyman Moradi - Department of Chemical Engineering, Kermanshah University of Technology,Kermanshah, Iran
Tahereh Shojaeimehr - Biotechnology Res. Lab., Chem. Eng. Dept., Razi Univ., Kermanshah
Ghazal Pourghazi - Department of Chemical Engineering, Kermanshah University of Technology,Kermanshah, Iran

Abstract:

The feasibility of light expanded clay aggregate (LECA) was studied as a green and low cost sorbent for removing of Acid Blue-193 (AB193) dye from synthetic colored wastewater. The effect of operating parameters such as emperature, initial concentration, initial pH, and contact time was investigated. On the basis of batch test results, the optimum operating conditions were found to be pH of 1.5, temperature of 25oC, and in range of initial concentrations 50-1000 (mg/L). The isotherm equilibrium data were fitted well by Langmuir isotherm (qmax= 71.43 (mg/g)) at 15°C. The experimental data was fitted very well with the pseudo-second-order kinetic model. The data was followed the external diffusion model up to initial 40 min and then, by intra-particle diffusion model up to 60 min, whereas diffusion is not only the rate-controlling step. Thermodynamic studies proved that AB193 adsorption process was a spontaneous, feasible, exothermic, and random process with physical adsorption mechanism.

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Paper COI Code

This Paper COI Code is ACCE01_010. 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/486708/

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Nazary, Mona and Moradi, Peyman and Shojaeimehr, Tahereh and Pourghazi, Ghazal,1394,Application of Light Expanded Clay Aggregate (LECA) as a Low cost and Green Sorbent for Removal of Acid Blue-193 from Aqueous Solutions: Thermodynamic, Isotherm, Kinetic, and Modeling Studies,The first national conference on new achievements in chemistry and chemical engineering,Shiraz,https://civilica.com/doc/486708

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  • A. Gzcan, E.M. Onci, A. S. 6zcan, , Adsorption of ...
  • T. Shojaeimehr, F. Rahimpour, M.A. Khadivi, M. Sadeghi, Comparison of ...
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  • Y. Yao, F. Xu, M hen, Z. Xu, Z. Zhu, ...
  • Y.S. Ho, S. McKay, Pseudo-second order model for sorption processes, ...

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Type of center: دانشگاه دولتی
Paper count: 567
In the scientometrics section of CIVILICA, you can see the scientific ranking of the Iranian academic and research centers based on the statistics of indexed articles.

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