{"id":15114,"date":"2025-02-26T08:29:05","date_gmt":"2025-02-25T23:29:05","guid":{"rendered":"https:\/\/www.mecc-nano.com\/?p=15114"},"modified":"2025-02-26T08:30:34","modified_gmt":"2025-02-25T23:30:34","slug":"addressing-global-water-pollution-removal-of-malachite-green-using-zno-znfe%e2%82%82o%e2%82%84-composite-nanofibers","status":"publish","type":"post","link":"https:\/\/mecc-jp.com\/nano\/technology\/15114\/","title":{"rendered":"Addressing Global Water Pollution: Removal of Malachite Green Using ZnO-ZnFe\u2082O\u2084 Composite Nanofibers"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>Water pollution is a global concern, especially synthetic dyes that negatively impact both the environment and human health. This study demonstrates that ZnO-ZnFe\u2082O\u2084 composite nanofibers, fabricated via electrospinning using polyvinylpyrrolidone (PVP) as a mediator, effectively remove malachite green (MG), a dye with potential carcinogenic properties, from water.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd2c <strong>Study Overview<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fabrication Method:<\/strong> ZnO and ZnFe\u2082O\u2084 were mixed in ratios of 1:1, 2:1, and 1:2 to form one-dimensional nanofibers with diameters of 40\u201360 nm through electrospinning.<\/li>\n\n\n\n<li><strong>Structural Characteristics:<\/strong> XRD and HRTEM analyses confirmed the coexistence of ZnO\u2019s hexagonal wurtzite structure and ZnFe\u2082O\u2084\u2019s cubic spinel structure.<\/li>\n\n\n\n<li><strong>Surface Area:<\/strong> BET analysis revealed that Zn\u2013Fe(1-1) exhibited the largest specific surface area of 82 m\u00b2\/g, providing excellent adsorption performance.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udca7 <strong>Malachite Green Adsorption Performance<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Maximum Adsorption Capacity:<\/strong> Zn\u2013Fe(1-1) achieved a maximum adsorption capacity of 146.77 mg\/g, demonstrating superior performance under pH 7 conditions.<\/li>\n\n\n\n<li><strong>Adsorption Mechanism:<\/strong> The negatively charged surface of the nanofibers electrostatically attracts MG cations, while hydrogen bonding between surface hydroxyl groups and MG molecules plays a key role.<\/li>\n\n\n\n<li><strong>Reusability:<\/strong> The adsorbent can be regenerated using 0.1M HCl, maintaining over 80% efficiency even after five cycles of reuse.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcc8 <strong>Practical Application and Future Outlook<\/strong><\/h3>\n\n\n\n<p>This study demonstrates that ZnO-ZnFe\u2082O\u2084 nanofibers are effective water treatment materials with high adsorption capacity and reusability, making them promising for industrial wastewater treatment applications.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2666845924001065\" target=\"_blank\" rel=\"noreferrer noopener\">\ud83d\udc49 <strong>Read the full study here<\/strong>\u3000\uff1e<\/a><\/p>\n\n\n\n<div style=\"height:27px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/www.mecc-jp.com\/nano\/wp-content\/uploads\/2025\/02\/image-1024x827.png\" alt=\"\" class=\"wp-image-5413\" style=\"width:546px;height:auto\"\/><\/figure>\n\n\n\n<p class=\"has-small-font-size\"><strong>References<\/strong><br>Raut, S., &amp; Sahoo, S. K. (2024). Removal of malachite green using ZnO-ZnFe\u2082O\u2084 nanofibers. <em>Results in Surfaces and Interfaces<\/em>, 17, 100286. <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2666845924001065\" target=\"_blank\" rel=\"noreferrer noopener\">[Online]<\/a>\u00a0<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-mecc-nanofiber wp-block-embed-mecc-nanofiber\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"nC3LA76Ajb\"><a href=\"https:\/\/mecc-jp.com\/nano\/technology\/15105\/\">\u3010Customer Prototype Example\u3011Double-Sided Coating for Medical Stent Covers<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;\u3010Customer Prototype Example\u3011Double-Sided Coating for Medical Stent Covers&#8221; &#8212; MECC NANOFIBER\" src=\"https:\/\/mecc-jp.com\/nano\/technology\/15105\/embed\/#?secret=DKUaFutj1n#?secret=nC3LA76Ajb\" data-secret=\"nC3LA76Ajb\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Water pollution is a global concern, especially synthetic dyes that negatively impact both the environment and human health. This study demonstrates that ZnO-ZnFe\u2082O\u2084 composite nanofibers, fabricated via electrospinning using polyvinylpyrrolidone (PVP<a href=\"https:\/\/mecc-jp.com\/nano\/technology\/15114\/\" class=\"excerpt_link\">\u226b more<\/a><\/p>\n","protected":false},"author":4,"featured_media":11841,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6],"class_list":["post-15114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology","tag-electrospinning-system"],"_links":{"self":[{"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/posts\/15114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/comments?post=15114"}],"version-history":[{"count":3,"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/posts\/15114\/revisions"}],"predecessor-version":[{"id":15117,"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/posts\/15114\/revisions\/15117"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/media\/11841"}],"wp:attachment":[{"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/media?parent=15114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/categories?post=15114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mecc-jp.com\/nano\/wp-json\/wp\/v2\/tags?post=15114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}