2009
DOI: 10.7202/038331ar
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Modélisation et optimisation de la photodégradation du 4-méthylphénol dans un réacteur à recirculation en présence d’UV/ZnO

Abstract: Résumé L’étude de la photodégradation du 4-méthylphénol a été menée sur un pilote à recirculation. Cette molécule a été prise comme composé modèle pour le traitement des effluents de l’industrie avicole. Ce travail a consisté en l’optimisation et la modélisation de l’élimination du 4-méthylphénol par photocatalyse en présence de ZnO. L’utilisation des plans d’expériences, et en particulier de la méthodologie de surface de réponse (RSM) et un plan central composite (CCD), a permis la détermination de … Show more

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Cited by 3 publications
(5 citation statements)
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“…11a, 11c and 11e show the augmentation of the adsorbed amount with increasing pH and time, initial concentration and time, and initial concentration and pH respectively. Each surface plot offers a facile overview of an infinite possibilities of combinations of factors levels [31,35,55] that can lead to the desire gap of BB9 adsorbed amount values. The plain lines on the 2D plots (contours plots) shown in Figs.…”
Section: Response Surface Modeling and Optimizationmentioning
confidence: 99%
See 1 more Smart Citation
“…11a, 11c and 11e show the augmentation of the adsorbed amount with increasing pH and time, initial concentration and time, and initial concentration and pH respectively. Each surface plot offers a facile overview of an infinite possibilities of combinations of factors levels [31,35,55] that can lead to the desire gap of BB9 adsorbed amount values. The plain lines on the 2D plots (contours plots) shown in Figs.…”
Section: Response Surface Modeling and Optimizationmentioning
confidence: 99%
“…ANOVA shows that R 2 = 99.98 %, meaning that more than 99 % of the adsorbent amount variations could be explained by its relationship with the factors considered 367 and displaying an agreement between experimental and predicted values. In other words, only 368 0.02 % of the total response variations could not be explained by the obtained quadratic 369 model[10,55]. It is also noticed that the mathematical model is validated and describes the…”
mentioning
confidence: 94%
“…If the natural variables (uncoded units) are labeled as U 1 , U 2 and U 3 corresponding to dimensionless coded variables X 1 , X 2 , X 2 respectively, the conversion of natural variables (U ij ) into coded ones (X ij ) is done following Eq. ( 4) (Merabet et al 2009;Zolgharnein et al 2015).…”
Section: Table 1 Designation Of Factors and Levels In Coded And Uncod...mentioning
confidence: 99%
“…Further analysis has been carried out to evaluate the accuracy of the mathematical model of the current study (Merabet et al 2009). In order to minimize error, all the experimental results were duplicated and the average was taken.…”
Section: Anova and Henry Normal Plotmentioning
confidence: 99%
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