{"id":1764,"date":"2014-03-25T13:27:00","date_gmt":"2014-03-25T13:27:00","guid":{"rendered":"https:\/\/chempublishers.sourcingoutfit.com\/?p=1764"},"modified":"2025-06-14T06:47:33","modified_gmt":"2025-06-14T06:47:33","slug":"pjc-0614","status":"publish","type":"post","link":"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2014\/03\/25\/pjc-0614\/","title":{"rendered":"Adsorption Studies of Phenol Using Thermally and Chemically Modified Rice Husk as Adsorbents"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1764\" class=\"elementor elementor-1764\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0f211da e-flex e-con-boxed e-con e-parent\" data-id=\"0f211da\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ef3fdd7 e-con-full e-flex e-con e-child\" data-id=\"ef3fdd7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-de8b319 elementor-widget elementor-widget-text-editor\" data-id=\"de8b319\" 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\">\n<tbody>\n<tr>\n<td>\n<div><strong>Research Article | Open Access<\/strong><\/div>\n<div class=\"item doi\"><span class=\"value\">Volume 4 | Issue 1 |&nbsp;<a href=\"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/wp-content\/uploads\/sites\/2\/2025\/01\/PJC-v04.i01.p06.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.15228\/2014.v04.i01.p06<\/a><\/span><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<article class=\"obj_article_details\">\n<h4>Adsorption Studies of Phenol Using Thermally and Chemically Modified Rice Husk as Adsorbents<\/h4>\n<div class=\"row\">\n<div class=\"main_entry\">\n<p><span class=\"name\">M.M. Yousaf<\/span><\/p>\n<p>Department of Chemistry, Islamia College University, Peshawar, Pakistan<\/p>\n<p><span class=\"name\">Ibrahim<\/span><\/p>\n<p>Department of Chemistry, Post Graduate Jehanzeb College, Swat, Pakistan<\/p>\n<p><\/p>\n<table border=\"0\" width=\"93%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td align=\"center\" valign=\"top\"><strong>Received<\/strong><br>15 Mar, 2014<\/td>\n<td align=\"center\" valign=\"top\"><strong>Accepted<\/strong><br>05 Sep, 2014<\/td>\n<td align=\"center\" valign=\"top\"><strong>Published<\/strong><br>05 Dec, 2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"item abstract\">\n<p class=\"ql-align-justify\">Most of the Phenols are hazardous substances and some are supposed to have carcinogenic activity. Thus it is necessary to remove Phenolics and other aromatics from the aqueous ecosystem. Traditional processes for the removal of Phenolics compounds are extraction, adsorption on granulated activated carbon, steam distillation, chemical and bacterial techniques. Literature survey show a number of methods like oxidation, ion exchange, reverse osmosis, electrochemical oxidation and adsorption. Phenol removal by process like, adsorption is the best method of choice as it can remove most of phenols in simple and easy way. In recent past; agricultural by-products such as, maize cob, date stone, apricot Stones, rice bran, and bagass pith have been extensively studied and used as adsorbents for the adsorption of hazardous substances from wastewater. In the present study we tried modified rice husks as potential adsorbents for the removal of Phenol from aqueous system. Batch mode studies were carried out. Isotherm data was generated and fitted in Freundlich and Langmuir equation to explain the phenomenon of adsorption. The adsorption capacities based on Langmuir model (Qm) of the 3 adsorbents were found to be 0.81 for raw husk (RH), 0.395 for the Grafted (G) and 2.306 mg\/g for the Charred (C). The R<sup>2<\/sup>&nbsp;values were 0.92 for raw husk, 0.97 for grafted and 0.91 for charred husk. Based on Freundlich model the adsorption capacities (K) were 2.94, 2.29 and 1.25mg\/g for Raw husk, grafted husk and charred husk. The R<sup>2<\/sup>&nbsp;values were found to be 0.72, 0.95 and 0.83 for the raw husk, grafted husk and charred husk respectively. Our result showed that modified rice husks could be used as potential adsorbents for Phenol removal from aqueous system.<\/p>\n<\/div>\n<div class=\"item abstract\">\n<div>\n<h3 class=\"label\">How to Cite this paper?<\/h3>\n<div class=\"csl-entry\">\n<p><strong>APA-7 Style<\/strong><br>Yousaf, M.M., , I. (2014). Adsorption Studies of Phenol Using Thermally and Chemically Modified Rice Husk as Adsorbents<br>.&nbsp;<a href=\"https:\/\/doi.org\/10.15228\/2014.v04.i01.p06\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>, 4(1), 31-38<\/a>. https:\/\/doi.org\/10.15228\/2014.v04.i01.p06<\/p>\n<p><strong>ACS Style<\/strong><br>Yousaf, M.M.; , I. Adsorption Studies of Phenol Using Thermally and Chemically Modified Rice Husk as Adsorbents<br>.&nbsp;<a href=\"https:\/\/doi.org\/10.15228\/2014.v04.i01.p06\" target=\"_blank\" rel=\"noopener\"><em>Pak. J. Chem.<\/em>&nbsp;2014, 4, 31-38<\/a>. https:\/\/doi.org\/10.15228\/2014.v04.i01.p06<\/p>\n<p><strong>AMA Style<\/strong><br>Yousaf MM, I. Adsorption Studies of Phenol Using Thermally and Chemically Modified Rice Husk as Adsorbents<br>.&nbsp;<a href=\"https:\/\/doi.org\/10.15228\/2014.v04.i01.p06\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>. 2014; 4(1): 31-38<\/a>. https:\/\/doi.org\/10.15228\/2014.v04.i01.p06<\/p>\n<p><strong>Chicago\/Turabian Style<\/strong><br>Yousaf, M., M., and Ibrahim . 2014. &#8220;Adsorption Studies of Phenol Using Thermally and Chemically Modified Rice Husk as Adsorbents<br>&#8221;&nbsp;<a href=\"https:\/\/doi.org\/10.15228\/2014.v04.i01.p06\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>&nbsp;4, no. 1: 31-38<\/a>. https:\/\/doi.org\/10.15228\/2014.v04.i01.p06<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"item copyright\">\n<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>\n<p>This work is licensed under a&nbsp;<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\">Creative Commons Attribution 4.0 International License<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/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-21b44b8 e-con-full e-flex e-con e-child\" data-id=\"21b44b8\" 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 Access Volume 4 | Issue 1 |&nbsp;https:\/\/doi.org\/10.15228\/2014.v04.i01.p06 Adsorption Studies of Phenol Using Thermally and Chemically Modified Rice Husk as Adsorbents M.M. Yousaf Department of Chemistry, Islamia College University, Peshawar, Pakistan Ibrahim Department of Chemistry, Post Graduate Jehanzeb College, Swat, Pakistan Received15 Mar, 2014 Accepted05 Sep, 2014 Published05 Dec, 2014 Most of [&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-1764","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>Adsorption Studies of Phenol Using Thermally and Chemically Modified Rice Husk as Adsorbents - 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\/2014\/03\/25\/pjc-0614\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Adsorption Studies of Phenol Using Thermally and Chemically Modified Rice Husk as Adsorbents - Pakistan Journal of Chemistry\" \/>\n<meta property=\"og:description\" content=\"Research Article | Open Access Volume 4 | Issue 1 |&nbsp;https:\/\/doi.org\/10.15228\/2014.v04.i01.p06 Adsorption Studies of Phenol Using Thermally and Chemically Modified Rice Husk as Adsorbents M.M. 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