{"id":1289,"date":"2012-05-30T20:12:00","date_gmt":"2012-05-30T20:12:00","guid":{"rendered":"https:\/\/chempublishers.sourcingoutfit.com\/?p=1289"},"modified":"2025-01-20T13:40:24","modified_gmt":"2025-01-20T13:40:24","slug":"pjc-1012-2","status":"publish","type":"post","link":"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2012\/05\/30\/pjc-1012-2\/","title":{"rendered":"Thermodynamic Study of Fe+3, Cr+3 and Cd+2 Ions Adsorption on Charcoal Derived from Walnut Shell"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1289\" class=\"elementor elementor-1289\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b6abff7 e-flex e-con-boxed e-con e-parent\" data-id=\"b6abff7\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-48d4666 e-con-full e-flex e-con e-child\" data-id=\"48d4666\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ba0a1ea elementor-widget elementor-widget-text-editor\" data-id=\"ba0a1ea\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tbody><tr><td><div><strong>Research Article | Open Access<\/strong><\/div><div class=\"item doi\"><span class=\"value\">Volume 2 | Issue 2 | Paper 02 |\u00a0 <a href=\"https:\/\/chempublishers.com\/pjc\/wp-content\/uploads\/sites\/2\/2024\/12\/137_1.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.15228\/2012.v02.i02.p02<\/a><\/span><\/div><\/td><\/tr><\/tbody><\/table><article class=\"obj_article_details\"><h1 class=\"page_title\">Thermodynamic Study of Fe+3, Cr+3 and Cd+2 Ions Adsorption on Charcoal Derived from Walnut Shell<\/h1><div class=\"row\"><h4 class=\"main_entry\"><span class=\"name\">L.H. Khdeem<\/span><\/h4><p>Chemistry Department, College of Education for Women, Kufa University, Al-najaf al-ashraf, Iraq<\/p><table border=\"0\" width=\"93%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tbody><tr><td align=\"center\" valign=\"top\"><strong>Received<\/strong><br \/>10 Mar, 2012<\/td><td align=\"center\" valign=\"top\"><strong>Accepted<\/strong><br \/>10 Jun, 2012<\/td><td align=\"center\" valign=\"top\"><strong>Published<\/strong><br \/>10 Dec, 2012<\/td><\/tr><\/tbody><\/table><div class=\"item abstract\"><p align=\"justify\">ABSTRACT:<\/p><p class=\"ql-align-justify\">In this study a commercial charcoal derived walnut shell was used for the adsorption of ions by U.V-Visible absorption spectroscopy technique. Various operating parameters studied were adsorbent dosage, pH, contact time and temperature The effect of contact time was investigated and found that the adsorption process of Fe+3, Cr+3 ions on charcoal derived from walnut shell surface was reached at completed equilibrium within 60 min while the adsorption of Cd+2 was reached equilibrium within 30 min .The effect of the weight of the charcoal derived on the adsorption process was studied a group weight in the range (0.05- 0.2 g).The extent of the adsorption found to decreased the temperature increased i.e, exothermic adsorption .The thermodynamic parameters \u0394G, \u0394H, \u0394S were calculated and explained in the mean of the chemical structure of the adsorbate which the values of removal percentage% and Distribution ratio (Kd).The Freundlich and Langmuir isotherm equations were applied to the data and values of parameter of these isotherms equations were evaluated the adsorption.<\/p><\/div><div class=\"item abstract\"><div><h3 class=\"label\">How to Cite this paper?<\/h3><div class=\"csl-entry\"><p><strong>APA-7 Style<\/strong><br \/>Khdeem, L.H. (2012). Thermodynamic Study of Fe+3, Cr+3 and Cd+2 Ions Adsorption on Charcoal Derived from Walnut Shell.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2012.v02.i02.p02\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>, 2(2), 61-67<\/a>. https:\/\/doi.org\/10.15228\/2012.v02.i02.p02<\/p><p><strong>ACS Style<\/strong><br \/>Khdeem, L.H. Thermodynamic Study of Fe+3, Cr+3 and Cd+2 Ions Adsorption on Charcoal Derived from Walnut Shell.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2012.v02.i02.p02\" target=\"_blank\" rel=\"noopener\"><em>Pak. J. Chem.<\/em>\u00a02012, 2, 61-67<\/a>. https:\/\/doi.org\/10.15228\/2012.v02.i02.p02<\/p><p><strong>AMA Style<\/strong><br \/>Khdeem LH. Thermodynamic Study of Fe+3, Cr+3 and Cd+2 Ions Adsorption on Charcoal Derived from Walnut Shell.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2012.v02.i02.p02\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>. 2012; 2(2): 61-67<\/a>. https:\/\/doi.org\/10.15228\/2012.v02.i02.p02<\/p><p><strong>Chicago\/Turabian Style<\/strong><br \/>Khdeem, L., H.. 2012. &#8220;Thermodynamic Study of Fe+3, Cr+3 and Cd+2 Ions Adsorption on Charcoal Derived from Walnut Shell&#8221;\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2012.v02.i02.p02\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>\u00a02, no. 2: 61-67<\/a>. https:\/\/doi.org\/10.15228\/2012.v02.i02.p02<\/p><\/div><\/div><\/div><div class=\"item copyright\"><p><a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\"><img decoding=\"async\" src=\"https:\/\/i.creativecommons.org\/l\/by\/4.0\/88x31.png\" alt=\"Creative Commons License\" \/><\/a><\/p><p>This work is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\">Creative Commons Attribution 4.0 International License<\/a>.<\/p><\/div><\/div><\/article>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-53b5355 e-con-full e-flex e-con e-child\" data-id=\"53b5355\" data-element_type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Research Article | Open AccessVolume 2 | Issue 2 | Paper 02 |\u00a0 https:\/\/doi.org\/10.15228\/2012.v02.i02.p02 Thermodynamic Study of Fe+3, Cr+3 and Cd+2 Ions Adsorption on Charcoal Derived from Walnut Shell L.H. Khdeem Chemistry Department, College of Education for Women, Kufa University, Al-najaf al-ashraf, Iraq Received10 Mar, 2012 Accepted10 Jun, 2012 Published10 Dec, 2012 ABSTRACT: In this [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1289","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Thermodynamic Study of Fe+3, Cr+3 and Cd+2 Ions Adsorption on Charcoal Derived from Walnut Shell - Pakistan Journal of Chemistry<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2012\/05\/30\/pjc-1012-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thermodynamic Study of Fe+3, Cr+3 and Cd+2 Ions Adsorption on Charcoal Derived from Walnut Shell - Pakistan Journal of Chemistry\" \/>\n<meta property=\"og:description\" content=\"Research Article | Open AccessVolume 2 | Issue 2 | Paper 02 |\u00a0 https:\/\/doi.org\/10.15228\/2012.v02.i02.p02 Thermodynamic Study of Fe+3, Cr+3 and Cd+2 Ions Adsorption on Charcoal Derived from Walnut Shell L.H. 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