{"id":4185,"date":"2014-11-06T11:08:13","date_gmt":"2014-11-06T10:08:13","guid":{"rendered":"http:\/\/dpubma.univ-annaba.dz\/?p=4185"},"modified":"2014-11-06T13:43:06","modified_gmt":"2014-11-06T12:43:06","slug":"contribution-a-letude-de-limmobilisation-des-ions-plomb-en-solution-aqueuse-par-ladsorption-sur-le-phosphate-naturel","status":"publish","type":"post","link":"https:\/\/synthese.univ-annaba.dz\/?p=4185","title":{"rendered":"Contribution \u00e0 l\u2019\u00e9tude de l\u2019immobilisation des ions plomb en solution aqueuse par l\u2019adsorption sur le phosphate naturel"},"content":{"rendered":"<div style=\"text-align: justify;\"><strong>Num\u00e9ro de la revue<\/strong>: 29<br \/>\n<strong>Auteurs<\/strong>: Walid Laifa<sup>1<\/sup>, Mourad Behim<sup>1,<\/sup> Anaclet Turatsinze<sup>2<\/sup> &amp;<br \/>\nTahar Ali-Boucetta<sup>1<\/sup><br \/>\n<sup>1<\/sup> Laboratoire Mat\u00e9riaux, G\u00e9o \u2013 Mat\u00e9riaux et Environnement, D\u00e9partement de g\u00e9nie Civil \u2013 Universit\u00e9 Badji Mokhtar Annaba 23000\u2013 BP 12 &#8211; Annaba \u2013 Alg\u00e9rie.<\/div>\n<p><sup>2<\/sup> Laboratoire Mat\u00e9riaux et Durabilit\u00e9 des Constructions, INSA \u2013 Universit\u00e9 Paul Sabatier, 135 Avenue du rangueil Toulouse- France.<\/p>\n<p style=\"text-align: right;\"><a href=\"http:\/\/dpubma.univ-annaba.dz\/wp-content\/uploads\/2014\/11\/8-29.pdf\"><strong>T\u00e9l\u00e9charger l&rsquo;article<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-709 alignright\" style=\"margin-top: -10px; margin-bottom: -10px;\" src=\"\/wp-content\/uploads\/2014\/04\/p2.jpg\" alt=\"p2\" width=\"37\" height=\"35\" srcset=\"https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2.jpg 113w, https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2-24x24.jpg 24w, https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2-48x46.jpg 48w\" sizes=\"auto, (max-width: 37px) 100vw, 37px\" \/><\/strong><\/a><\/p>\n<p><strong>R\u00e9sum\u00e9<\/strong><\/p>\n<p style=\"text-align: justify;\">Le pr\u00e9sent travail a pour objectif l\u2019\u00e9tude de l\u2019immobilisation des ions plomb (Pb2+) dans une solution aqueuse par adsorption sur un phosphate naturel (PN). Des essais en batch ont \u00e9t\u00e9 r\u00e9alis\u00e9s afin d\u2019\u00e9tudier l\u2019effet de la masse de phosphate naturel, du pH, du temps de contact et de la temp\u00e9rature. La capacit\u00e9 ultime d\u2019adsorption trouv\u00e9e pour une concentration CPb+2 = 50 mg.L-1 et une masse phosphate = 4 g.L-1 ; \u00e0 pH, variant entre 5 et 6, pendant 60 min de contact, et \u00e0 une temp\u00e9rature de 25 \u00b0C, est Qe = 12.50 mg.g-1. \u00c0 diff\u00e9rentes temp\u00e9ratures (25, 35 et 45 \u00b0C), l&rsquo;\u00e9quilibre adsorbant-adsorbat a \u00e9t\u00e9 bien d\u00e9crit par le mod\u00e8le cin\u00e9tique de pseudo-second ordre. L\u2019\u00e9tude des param\u00e8tres thermodynamiques\u00a0 montre que le processus de fixation des Pb2+ par PN est exothermique et spontan\u00e9.<\/p>\n<p><strong>Mots cl\u00e9s<\/strong> : Adsorption, Caract\u00e9risation, Phosphate naturel , Pollution, Plomb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Num\u00e9ro de la revue: 29 Auteurs: Walid Laifa1, Mourad Behim1, Anaclet Turatsinze2 &amp; Tahar Ali-Boucetta1 1 Laboratoire Mat\u00e9riaux, G\u00e9o \u2013 Mat\u00e9riaux et Environnement, D\u00e9partement de g\u00e9nie Civil \u2013 Universit\u00e9 Badji Mokhtar Annaba 23000\u2013 BP 12 &#8211; Annaba \u2013 Alg\u00e9rie. 2 &hellip; <a href=\"https:\/\/synthese.univ-annaba.dz\/?p=4185\">Lire la suite <span class=\"meta-nav\">&raquo;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[820],"tags":[694,56,853,854,89],"class_list":["post-4185","post","type-post","status-publish","format-standard","hentry","category-synthese-n-29","tag-adsorption","tag-caracterisation","tag-phosphate-naturel","tag-plomb","tag-pollution"],"_links":{"self":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/4185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4185"}],"version-history":[{"count":13,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/4185\/revisions"}],"predecessor-version":[{"id":4205,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/4185\/revisions\/4205"}],"wp:attachment":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}