Kinetic Models of Adsoption on Active Carbon DSAC36-24

1
Khaoula Hidouri
Khaoula Hidouri
2
Ali Benhmidene
Ali Benhmidene
3
Bechir Chouachi
Bechir Chouachi
4
Ammar Houas
Ammar Houas
2 The National School of Engineering of Gabes, Tunisia

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The objective of our study was to evaluate, in a population of Togolese People Living With HIV(PLWHIV), the agreement between three scores derived from the general population namely the Framingham score, the Systematic Coronary Risk Evaluation (SCORE), the evaluation of the cardiovascular risk (CVR) according to the World Health Organization.
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Activated carbon is one of the highly adsorbent materials, characterized by a specific surface area of 548.13m 2 g -1 . Their manufacture uses the natural raw material such as date cores. Several models have been used to monitor the adsorption kinetics. Lager green model, for the determination of the apparent velocity constant (kad) and the order of the reaction. Model of Weber and Morris to approximate the kinetic constant of intra particular diffusion (kid).Mc Kay model, to determine the external mass transfer coefficient (kf). The interpolation by the three models above is carried out for each compound for the different initial concentrations and different pH. That all the models used well describe the experimental results of diffusion adsorption. All the models used describe well the experimental results of the adsorption and that of Langmuir-Freundlich (with three constants) gives a more precise description. A classification of the adsorption of four phenolic compounds according to the maximum adsorption capacity at different of solution(pHs), and according to the pH for each compound.

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10 Cites in Articles

References

  1. Chin-Han Chan,Poh-Eng Lim (2007). Evaluation of sequencing batch reactor performance with aerated and unaerated FILL periods in treating phenol-containing wastewater.
  2. C Wang,Y Feng,P Gao,N Ren,B Li (2012). Simulation and prediction of phenolic compounds fate in Songhua River, China.
  3. S Kumar,M Zafar,J Prajapati,S Kumar,S Kannepalli,C Santana,Z Ferrera,M Torres Padrón,Santana Rodríguez,J Modeling studies on simultaneous adsorption of phenol and resorcinol onto granular activated carbon from simulated aqueous solution.
  4. Irving Langmuir (1919). THE ADSORPTION OF GASES ON PLANE SURFACES OF GLASS, MICA AND PLATINUM..
  5. Walter Weber,J Morris (1963). Kinetics of Adsorption on Carbon from Solution.
  6. Y Ho,G Mc Kay (2000). The kinetics of sorption of divalent metal ions onto sphagnum moss peat.
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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

Khaoula Hidouri. 2017. \u201cKinetic Models of Adsoption on Active Carbon DSAC36-24\u201d. Global Journal of Research in Engineering - C: Chemical Engineering GJRE-C Volume 17 (GJRE Volume 17 Issue C3): .

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Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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GJRE-C Classification: FOR Code: 090499
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v1.2

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November 3, 2017

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English

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Kinetic Models of Adsoption on Active Carbon DSAC36-24

Khaoula Hidouri
Khaoula Hidouri
Ali Benhmidene
Ali Benhmidene The National School of Engineering of Gabes, Tunisia
Bechir Chouachi
Bechir Chouachi
Ammar Houas
Ammar Houas

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