Utilisation du plan factoriel complet pour l'optimisation des conditions opératoires d'élimination du plomb par les charbons actifs issus des coques de noix de coco
Adsorption of heavy metals on activated carbons is influenced by various factors that must be controlled. This study investigates the optimal conditions for removal lead on activated carbon using experimental designs. Thus influence of three parameters (pH, lead concentration and activated carbon) o...
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| Veröffentlicht in: | International journal of innovation and applied studies 2019-08, Vol.27 (1), p.54-64 |
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| container_title | International journal of innovation and applied studies |
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| creator | Aboua, Kouassi Narcisse N'guettia, Kossonou Roland Diarra, Moussa Dibi, Kouadio Traore, Karim Sory |
| description | Adsorption of heavy metals on activated carbons is influenced by various factors that must be controlled. This study investigates the optimal conditions for removal lead on activated carbon using experimental designs. Thus influence of three parameters (pH, lead concentration and activated carbon) on adsorption rate was studied. Activated carbons was prepared from coconuts shells of Côte d'Ivoire by using chemical activation method. PH, lead concentration and coal nature are the factors taken into account in the two-level complete factorial plan used for optimization. Values of lead elimination rate are between 87 % and 96 % thus indicating the pertinence of the choice of the experimental domain. Moreover, two of the three factors; pH and lead concentration have a significant influence on the lead removal rate. Also, interactions between carbon type and lead concentration and those between pH and concentration have a significant influence on adsorption. Thus, the optimal adsorption conditions of 50 mL of lead at 150 mg / L of concentration are obtained with 0.3 g of activated carbon, at pH 6 and at a temperature of 25 ° C. Experimental designs therefore make it possible to optimize lead removal conditions from wastewater. |
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This study investigates the optimal conditions for removal lead on activated carbon using experimental designs. Thus influence of three parameters (pH, lead concentration and activated carbon) on adsorption rate was studied. Activated carbons was prepared from coconuts shells of Côte d'Ivoire by using chemical activation method. PH, lead concentration and coal nature are the factors taken into account in the two-level complete factorial plan used for optimization. Values of lead elimination rate are between 87 % and 96 % thus indicating the pertinence of the choice of the experimental domain. Moreover, two of the three factors; pH and lead concentration have a significant influence on the lead removal rate. Also, interactions between carbon type and lead concentration and those between pH and concentration have a significant influence on adsorption. Thus, the optimal adsorption conditions of 50 mL of lead at 150 mg / L of concentration are obtained with 0.3 g of activated carbon, at pH 6 and at a temperature of 25 ° C. Experimental designs therefore make it possible to optimize lead removal conditions from wastewater.</description><identifier>EISSN: 2028-9324</identifier><language>fre</language><publisher>Rabat: International Journal of Innovation and Applied Studies</publisher><subject>Activated carbon ; Adsorption ; Aqueous solutions ; Chemical engineering ; Desalination ; Factorial design ; Heavy metals ; Lead ; Optimization ; Organic chemistry ; Wastewater treatment ; Water treatment</subject><ispartof>International journal of innovation and applied studies, 2019-08, Vol.27 (1), p.54-64</ispartof><rights>Copyright International Journal of Innovation and Applied Studies Aug 2019</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781</link.rule.ids></links><search><creatorcontrib>Aboua, Kouassi Narcisse</creatorcontrib><creatorcontrib>N'guettia, Kossonou Roland</creatorcontrib><creatorcontrib>Diarra, Moussa</creatorcontrib><creatorcontrib>Dibi, Kouadio</creatorcontrib><creatorcontrib>Traore, Karim Sory</creatorcontrib><title>Utilisation du plan factoriel complet pour l'optimisation des conditions opératoires d'élimination du plomb par les charbons actifs issus des coques de noix de coco</title><title>International journal of innovation and applied studies</title><description>Adsorption of heavy metals on activated carbons is influenced by various factors that must be controlled. 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Experimental designs therefore make it possible to optimize lead removal conditions from wastewater.</description><subject>Activated carbon</subject><subject>Adsorption</subject><subject>Aqueous solutions</subject><subject>Chemical engineering</subject><subject>Desalination</subject><subject>Factorial design</subject><subject>Heavy metals</subject><subject>Lead</subject><subject>Optimization</subject><subject>Organic chemistry</subject><subject>Wastewater treatment</subject><subject>Water treatment</subject><issn>2028-9324</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNjkFqwzAQRUWhUJP6DgNdeBWwZSe469KQA7RrI9syHSNrVI0MPVEh58jFKpUQsszqM_Pf_zMPIpOlbLevtWyeRM48l2VZ1U3V7veZ-P0MaJBVQLIwruCMsjCpIZBHbWCgxRkdwNHqwRTkAi5XWnP07YhpYiB3PnkVCH3cj8X5ZCJqb4pp6cGpWJNyX8r3KRUv4cSAzCtfGr_XVKDBEv4kHWigZ_E4KcM6v-hGvBzeP96OW-f_-dDN8UMbrU7Wsmp3bbVr6vuoPxhHYSw</recordid><startdate>20190801</startdate><enddate>20190801</enddate><creator>Aboua, Kouassi Narcisse</creator><creator>N'guettia, Kossonou Roland</creator><creator>Diarra, Moussa</creator><creator>Dibi, Kouadio</creator><creator>Traore, Karim Sory</creator><general>International Journal of Innovation and Applied Studies</general><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>CWDGH</scope><scope>DWQXO</scope><scope>F28</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20190801</creationdate><title>Utilisation du plan factoriel complet pour l'optimisation des conditions opératoires d'élimination du plomb par les charbons actifs issus des coques de noix de coco</title><author>Aboua, Kouassi Narcisse ; 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This study investigates the optimal conditions for removal lead on activated carbon using experimental designs. Thus influence of three parameters (pH, lead concentration and activated carbon) on adsorption rate was studied. Activated carbons was prepared from coconuts shells of Côte d'Ivoire by using chemical activation method. PH, lead concentration and coal nature are the factors taken into account in the two-level complete factorial plan used for optimization. Values of lead elimination rate are between 87 % and 96 % thus indicating the pertinence of the choice of the experimental domain. Moreover, two of the three factors; pH and lead concentration have a significant influence on the lead removal rate. Also, interactions between carbon type and lead concentration and those between pH and concentration have a significant influence on adsorption. Thus, the optimal adsorption conditions of 50 mL of lead at 150 mg / L of concentration are obtained with 0.3 g of activated carbon, at pH 6 and at a temperature of 25 ° C. Experimental designs therefore make it possible to optimize lead removal conditions from wastewater.</abstract><cop>Rabat</cop><pub>International Journal of Innovation and Applied Studies</pub></addata></record> |
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| ispartof | International journal of innovation and applied studies, 2019-08, Vol.27 (1), p.54-64 |
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| language | fre |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Activated carbon Adsorption Aqueous solutions Chemical engineering Desalination Factorial design Heavy metals Lead Optimization Organic chemistry Wastewater treatment Water treatment |
| title | Utilisation du plan factoriel complet pour l'optimisation des conditions opératoires d'élimination du plomb par les charbons actifs issus des coques de noix de coco |
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