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Arsenate removal from aqueous solutions: thermodynamic and kinetic study on iron hydroxide-impregnated corn cob
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This research investigated the use of a strategic agricultural waste for Brazil, i.e., corn cob as a low-cost, biodegradable, and eco-efficient material for As(V) adsorption. 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This research investigated the use of a strategic agricultural waste for Brazil, i.e., corn cob as a low-cost, biodegradable, and eco-efficient material for As(V) adsorption. Arsenate removal from an aqueous..." /> <meta name="citation_title" content="Arsenate removal from aqueous solutions: thermodynamic and kinetic study on iron hydroxide-impregnated corn cob" /> <meta name="citation_doi" content="10.37190/ppmp/196592" /> <meta name="dc.identifier" content="doi:10.37190/ppmp/196592" /> <meta name="citation_journal_title" content="Physicochemical Problems of Mineral Processing" /> <meta name="citation_issn" content="1643-1049" /> <meta name="citation_issn" content="2084-4735" /> <meta name="citation_volume" content="60" /> <meta name="citation_issue" content="6" /> <meta name="citation_publisher" content="Politechnika Wroc艂awska" /> <meta name="citation_language" content="english" /> <meta name="citation_journal_abbrev" content="Physicochem. Probl. Miner. Process." /> <meta name="citation_author" content="Eloisa St茅phanie da Silva" /> <meta name="citation_author" content="Renata de Castro Pires" /> <meta name="citation_author" content="Leandro Vin铆cius Alves Gurgel" /> <meta name="citation_author" content="Versiane Albis Le茫o" /> <meta name="citation_publication_date" content="2024/12/03" /> <meta name="citation_online_date" content="2024/12/03" /> <meta name="citation_fulltext_world_readable" content="" /> <meta name="citation_pdf_url" content="https://www.journalssystem.com/ppmp/pdf-196592-117126?filename=Arsenate removal from.pdf" /> <meta name="citation_keywords" content="biosorbent; toxic metals; Impregnation; agricultural wastes; mine waters" /> <title> Arsenate removal from aqueous solutions: thermodynamic and kinetic study on iron hydroxide-impregnated corn cob </title> <script type="text/javascript" src="https://platform-api.sharethis.com/js/sharethis.js#property=647f0be740353a0019caf2e3&product=inline-share-buttons&source=platform" async="async"></script> <!-- Google Analytics --> </head> <body> <div class="container-fluid"> <div class="d-none d-md-block"> </div> <div class="d-block d-md-none"><!-- mobile menu --> <div class="mMenu"> <a href="#" onclick="$('#mMenuCollapse').slideToggle(400); 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}); </script> <div class="subtitleUnderline"></div> <div class="magAbstractAuthors"> <div class="dirLeft"> <div class="dirLeft " id="author_294180" onmouseover="highlightAffs('1', 1, 294180); return false;" onmouseout="highlightAffs('1', 0, 294180); return false;"> <a href="https://www.journalssystem.com/ppmp/Author-Eloisa St茅phanie-da Silva/294180" class="black">Eloisa St茅phanie da Silva</a> <span class=""> <sup> 1 </sup> </span> </div> <div class="dirLeft"> <div class="icon icon-first-authors"></div> </div> <div class="dirLeft"> <a href="https://orcid.org/0000-0001-7100-2175" target="_blank"><div class="icon icon-orcid"></div></a> </div> <div class="dirLeft pad-right-5">,</div> <div class="clearAll"> </div> </div> <div class="dirLeft"> <div class="dirLeft " id="author_274715" onmouseover="highlightAffs('1', 1, 274715); return false;" onmouseout="highlightAffs('1', 0, 274715); return false;"> <a href="https://www.journalssystem.com/ppmp/Author-Renata-Pires/274715" class="black">Renata de Castro Pires</a> <span class=""> <sup> 1 </sup> </span> </div> <div class="dirLeft"> <div class="icon icon-first-authors"></div> </div> <div class="dirLeft"> <a href="https://orcid.org/0000-0002-8928-6097" target="_blank"><div class="icon icon-orcid"></div></a> </div> <div class="dirLeft pad-right-5">,</div> <div class="clearAll"> </div> </div> <div class="dirLeft"> <div class="dirLeft " id="author_294181" onmouseover="highlightAffs('1', 1, 294181); return false;" onmouseout="highlightAffs('1', 0, 294181); return false;"> <a href="https://www.journalssystem.com/ppmp/Author-Leandro-Gurgel/294181" class="black">Leandro Vin铆cius Alves Gurgel</a> <span class=""> <sup> 1 </sup> </span> </div> <div class="dirLeft"> <div class="icon icon-first-authors"></div> </div> <div class="dirLeft"> <a href="https://orcid.org/0000-0001-5249-8670" target="_blank"><div class="icon icon-orcid"></div></a> </div> <div class="dirLeft pad-right-5">,</div> <div class="clearAll"> </div> </div> <div class="dirLeft"> <div class="dirLeft " id="author_274716" onmouseover="highlightAffs('1', 1, 274716); return false;" onmouseout="highlightAffs('1', 0, 274716); return false;"> <a href="https://www.journalssystem.com/ppmp/Author-Versiane-Le茫o/274716" class="black">Versiane Albis Le茫o</a> <span class=""> <sup> 1 </sup> </span> </div> <div class="dirLeft"><a href="/cdn-cgi/l/email-protection#74021106071d151a115a01121b04341319151d185a171b19"><div class="icon icon-envelope-o"></div></a></div> <div class="clearAll"> </div> </div> <div class="clearAll"> </div> </div> <div style="height: 10px;line-height: 10px;font-size: 0;"> </div> <a class="articleDetails" href="#" onclick="$('#articleDetailsId').toggle(200); $('#moreDetailsId').toggle(); $('#hideDetailsId').toggle(); $('[rel=contributionRel]').toggle(200); return false; " id="moreDetailsId"><div class="dirLeft icon icon-angle-down"></div>More details</a> <a class="articleDetails" href="#" onclick="$('#articleDetailsId').toggle(200); $('#hideDetailsId').toggle(); $('#moreDetailsId').toggle(); $('[rel=contributionRel]').toggle(200); return false; " id="hideDetailsId"><div class="dirLeft icon icon-angle-up"></div>Hide details</a> <div id="articleDetailsId"> <div class="affiliations"> <div class="simple-list"> <div class="list-row-small" id="aff_1" onmouseover="highlightAuthors('294180,274715,294181,274716', 1, 1); return false;" onmouseout="highlightAuthors('294180,274715,294181,274716', 0, 1); return false;"> <div class="dirLeft w-23px pad-left-4 em-08">1</div> <div class="dirLeft w-100-c23 em-095">Universidade Federal de Ouro Preto</div> <div class="clearAll"> </div> </div> <div class="list-row-small"> <div class="dirLeft w-23px pad-left-1"><div class="icon-first-authors em-11" style="padding-top: 0.12em;"></div></div> <div class="dirLeft w-100-c23 em-095">These authors had equal contribution to this work</div> <div class="clearAll"> </div> </div> </div> <div class="simple-list pad-top-12 pad-bot-10"> <div class="list-row-small-2"> <div class="dirLeft w-23px"> </div> <div class="dirLeft w-100-c23 em-08">Publication date: 2024-12-03</div> <div class="clearAll"> </div> </div> </div> <div class="simple-list"> <div class="list-row-small"> <div class="dirLeft w-23px"> </div> <div class="dirLeft w-100-c23"> <div class="em-085"><b>Corresponding author</b></div> <div class="em-095"> <a href="https://www.journalssystem.com/ppmp/Author-Versiane-Le茫o/274716" class="corrAuthorLink" class="black">Versiane Albis Le茫o</a> <a href="/cdn-cgi/l/email-protection#d2a4b7a0a1bbb3bcb7fca7b4bda292b5bfb3bbbefcb1bdbf"><div class="icon icon-envelope-o"></div></a><br/> Universidade Federal de Ouro Preto </div> </div> <div class="clearAll"> </div> </div> </div> </div> </div> <script data-cfasync="false" src="/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js"></script><script type="text/javascript"> function highlightAuthors(a, on, aff){ var a = a.split(','); if(on == 1) $('#aff_'+aff).stop().animate({backgroundColor: "#FFFAA8"}, 166); else $('#aff_'+aff).stop().animate({backgroundColor: "#fff"}, 166); for(i = 0; i < a.length; i++){ if(on == 1) $('#author_'+a[i]).stop().animate({backgroundColor: "#FFFAA8"}, 166); else $('#author_'+a[i]).stop().animate({backgroundColor: "#fff"}, 166); } } function highlightAffs(affs, on, author){ var affs = affs.split(','); if(on == 1) $('#author_'+author).stop().animate({backgroundColor: "#FFFAA8"}, 166); else $('#author_'+author).stop().animate({backgroundColor: "#fff"}, 166); for(i = 0; i < affs.length; i++){ if(on == 1) $('#aff_'+affs[i]).stop().animate({backgroundColor: "#FFFAA8"}, 166); else $('#aff_'+affs[i]).stop().animate({backgroundColor: "#fff"}, 166); } } </script> <div style="height: 8px;line-height: 8px;font-size: 0;"> </div> <div class="magBibliography2">Physicochem. Probl. Miner. Process. 2024;60(6):196592</div> <!-- --> <div class="magBibliography2"> <div class="dirLeft" style="padding-top: 7px; padding-right: 10px;"> <a href="https://doi.org/10.37190/ppmp/196592"><div class="dirLeft icon icon-angle-right"></div>DOI: <span class="magBibliographyDOI">https://doi.org/10.37190/ppmp/196592</span></a> </div> <div class="clearAll"> </div> </div> </div> <div class="clearAll"> </div> <div class="abstractButtons"> <a class="abstractFullText dirLeft" target="_blank" onclick="pdfStats(196592);return true;" href="https://www.journalssystem.com/ppmp/pdf-196592-117126?filename=Arsenate removal from.pdf"> <div class="abstractFullTextButton dirLeft"> <div class="dirLeft icon icon-file-pdf-o"></div> Article <span class="block">(PDF)</span> </div> </a> <div class="clearAll"> </div> </div> <div class="abstractLabel">KEYWORDS</div> <div class="abstractContent"> <a href="https://www.journalssystem.com/ppmp/Keyword-biosorbent/79832" class="singleKeyword">biosorbent<div class="icon icon-circle dirRight"></div></a><a href="https://www.journalssystem.com/ppmp/Keyword-toxic+metals/16358" class="singleKeyword">toxic metals<div class="icon icon-circle dirRight"></div></a><a href="https://www.journalssystem.com/ppmp/Keyword-Impregnation/332458" class="singleKeyword">Impregnation<div class="icon icon-circle dirRight"></div></a><a href="https://www.journalssystem.com/ppmp/Keyword-agricultural+wastes/89250" class="singleKeyword">agricultural wastes<div class="icon icon-circle dirRight"></div></a><a href="https://www.journalssystem.com/ppmp/Keyword-mine+waters/6736" class="singleKeyword">mine waters</a> <div class="clearAll"> </div> </div> <div class="abstractLabel">TOPICS</div> <div class="abstractContent"> <a href="https://www.journalssystem.com/ppmp/Topic-Environmental+aspects+of+mineral+processing/1992" class="singleKeyword">Environmental aspects of mineral processing</a> <div class="clearAll"> </div> </div> <div class="abstractLabel">ABSTRACT</div> <div class="abstractContent realAbstract" >The contamination of water resources with arsenic is a serious environmental problem. This research investigated the use of a strategic agricultural waste for Brazil, i.e., corn cob as a low-cost, biodegradable, and eco-efficient material for As(V) adsorption. Arsenate removal from an aqueous solution with iron hydroxide impregnated corn cob (IHCC) was investigated under different pH values (2-10). FTIR spectra revealed that monodentate complexes were formed during the adsorption of arsenate on IHCC. Furthermore, SEM micrographs revealed a uniform distribution of Fe(III) and also As(V) on the IHCC. IHCC was efficient in the removal of arsenic from acidic solutions, mainly those having pH values between 2 and 3 at temperatures below 50掳C. The adsorption kinetics followed the pseudo-second order model with an activation energy of 39.35 卤 6.99 kJ mol<sup>-1</sup> implying that chemical reaction was the controlling step of arsenic adsorption by IHCC. In addition, arsenic adsorption on IHCC was (i) an entropically driven, (ii) spontaneous, and (iii) endothermic phenomenon (+23.82 kJ mol<sup>-1</sup>) and involved electrostatic adsorption and chemosorption (Qmax = 40 mg/g, at 25掳C). Therefore, a promising sustainable and environmentally friendly solution for the use of IHCC was devised in the current work.</div> <!-- END MAIN --> </div> <div class="col-12 col-md-4"> <div class="rightBoxes fullWidth"> <div style="padding-bottom:20px"> <a href="https://www.editorialsystem.com/ppmp" target="_blank" class="rightBoxOpt" > <div class="rightBoxOptLine"></div> Submit your paper </a> <a href="https://www.journalssystem.com/ppmp/Guide-for-authors,506.html" class="rightBoxOpt" > <div class="rightBoxOptLine"></div> Guide for authors </a> <a href="https://www.journalssystem.com/ppmp/Archive" class="rightBoxOpt" > <div class="rightBoxOptLine"></div> Archive </a> </div> <div class="rightBox1"> <div class="rightBoxLabel"><div class="boxIcon icon icon-share dirRight"></div>Share</div> <div class="rightBoxContent"> <div class="sharethis-inline-share-buttons"></div></div> <div class="shareSendEmail"><a href="/cdn-cgi/l/email-protection#b788d5d8d3ce8adfc3c3c78d9898c0c0c099ddd8c2c5d9d6dbc4c4cec4c3d2da99d4d8da98c7c7dac798f6c5c4d2d9d6c3d29ac5d2dad8c1d6db9ad1c5d8da9ad6c6c2d2d8c2c49ac4d8dbc2c3ded8d9c49ac3dfd2c5dad8d3ced9d6daded49ad6d9d39adcded9d2c3ded49ac4c3c2d3ce9ad8d99adec5d8d99adfced3c5d8cfded3d29b868e81828e859b879b8599dfc3dadb91c4c2d5ddd2d4c38afe97c5d2d4d8dadad2d9d397c3dfdec497c7d6c7d2c5">Send by email</a></div> </div> <div class="rightBox1"> <div class="rightBoxLabel"><div class="boxIcon icon icon-link dirRight" aria-hidden="true"></div>RELATED ARTICLE</div> <div class="otherArticles"> <div class="boxPos"> <a href="https://www.journalssystem.com/ppmp/Effect-of-the-type-of-ion-exchange-resin-on-Mn-2-adsorption-in-the-presence-of-competing,187844,0,2.html"> Effect of the type of ion-exchange resin on Mn<sup>2+</sup> adsorption in the presence of competing cations </a> </div> </div> </div> <div class="rightBox1" > <div class="rightBoxLabel"><div class="boxIcon icon icon-ios-browsers-outline dirRight" aria-hidden="true"></div>Indexes</div> <div style="height: 1px;line-height: 1px;font-size: 0;"> </div> <div class="indexPos boxPos"><a href="https://www.journalssystem.com/ppmp/Keywords">Keywords index</a></div> <div class="indexPos boxPos"><a href="https://www.journalssystem.com/ppmp/Topics">Topics index</a></div> <div class="boxPos"><a href="https://www.journalssystem.com/ppmp/Authors">Authors index</a></div> </div> </div> </div> </div> </div> </div> <div class="row footer1"> <div class="container-fluid stdRow"> <div class="row"> <div class="col-6"> <div class="issn"> <div style="display:inline-block;"> <table cellspacing="0" cellpadding="0" border="0"> <tr><td class="issnLabel">eISSN:</td><td class="issnValue">2084-4735</td></tr> <tr><td class="issnLabel">ISSN:</td><td class="issnValue">1643-1049</td></tr> </table> </div> </div> </div> <div class="col-6 text-right"> <img src="https://www.journalssystem.com/_static/g/c/js_logo_small.png" alt="Journals System - logo"/> </div> </div> </div> </div> <div class="row footer2"> <div class="container-fluid stdRow"> <div class="row"> <div class="col-12"> <div class="copyright"> <div class="text-center">漏 2006-2024 Journal hosting platform by <a href="http://www.bentus.com">Bentus</a></div> </div> </div> </div> </div> </div> <div class="hidden"> <a id="cookieAlertLinkId" href="#" data-fancybox="cookie-alert" data-src="#acceptCookiesId"></a> </div> <script data-cfasync="false" src="/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js"></script><script language="JavaScript" type="text/JavaScript"> var acceptCookies = getCookie("acceptOwnCookiesCookie"); var declineCookies = getCookie("declineOwnCookiesCookie"); if (acceptCookies == 1 || declineCookies == 1) { } else{ jQuery(document).ready(function() { $("[data-fancybox=cookie-alert]").fancybox({ 'modal' : true }); $('#cookieAlertLinkId').click(); }); } </script> <div class="hidden"> <div id="acceptCookiesId" class="box-w-900"> <div> <div class="pad-bot-10 font09em lh14em">We process personal data collected when visiting the website. 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