{"id":101285,"date":"2026-01-09T23:26:34","date_gmt":"2026-01-09T21:26:34","guid":{"rendered":"https:\/\/www.lovendal.ro\/wp52\/?p=101285"},"modified":"2026-01-09T23:26:34","modified_gmt":"2026-01-09T21:26:34","slug":"in-doar-20-de-minute-oamenii-de-stiinta-chinezi-recupereaza-98-din-aurul-de-pe-telefoanele-vechi-la-un-cost-redus","status":"publish","type":"post","link":"https:\/\/www.lovendal.ro\/wp52\/in-doar-20-de-minute-oamenii-de-stiinta-chinezi-recupereaza-98-din-aurul-de-pe-telefoanele-vechi-la-un-cost-redus\/","title":{"rendered":"\u00cen doar 20 de minute, oamenii de \u0219tiin\u021b\u0103 chinezi recupereaz\u0103 98% din aurul de pe telefoanele vechi, la un cost redus"},"content":{"rendered":"<p><a href=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2026\/01\/aur-telefon.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-101286\" src=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2026\/01\/aur-telefon.jpg\" alt=\"\" width=\"366\" height=\"217\" srcset=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2026\/01\/aur-telefon.jpg 366w, https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2026\/01\/aur-telefon-300x178.jpg 300w\" sizes=\"auto, (max-width: 366px) 100vw, 366px\" \/><\/a>Cercet\u0103torii chinezi au descoperit o metod\u0103 rapid\u0103, ieftin\u0103 \u0219i mai ecologic\u0103 pentru extragerea aurului din de\u0219eurile electronice, care ar putea remodela semnificativ reciclarea de\u0219eurilor electronice la nivel mondial \u0219i ar putea reduce nevoia de minerit tradi\u021bional. Tehnica inovatoare, care poate extrage aur din electronicele aruncate \u00een mai pu\u021bin de 20 de minute la temperatura camerei, a fost dezvoltat\u0103 de cercet\u0103tori de la <strong>Institutul de Conversie a Energiei din Guangzhou<\/strong>, din cadrul Academiei Chineze de \u0218tiin\u021be, \u0219i de la Universitatea de Tehnologie din China de Sud.<\/p>\n<p>Echipa a raportat c\u0103 noul proces cost\u0103 aproximativ o treime din pre\u021burile actuale de pia\u021b\u0103 pentru recuperarea aurului, ceea ce \u00eel face cea mai rentabil\u0103 metod\u0103 raportat\u0103 p\u00e2n\u0103 \u00een prezent. De asemenea, atinge o eficien\u021b\u0103 de levigare a aurului de peste 98,2% din procesoarele reziduale (CPU) din telefoanele mobile vechi \u0219i din pl\u0103cile cu circuite imprimate (PCB) din electrocasnice, la temperatura camerei.<\/p>\n<p>De\u0219eurile electronice, sau e-waste, reprezint\u0103 unul dintre fluxurile de de\u0219euri solide cu cea mai rapid\u0103 cre\u0219tere din lume. Conform Organiza\u021biei Mondiale a S\u0103n\u0103t\u0103\u021bii (OMS), generarea anual\u0103 de de\u0219euri electronice cre\u0219te cu 2,6 milioane de tone. Se a\u0219teapt\u0103 ca aceasta s\u0103 ajung\u0103 la 82 de milioane de tone p\u00e2n\u0103 \u00een 2030. Cele mai comune de\u0219euri electronice includ computere, electrocasnice mari, telefoane mobile \u0219i echipamente medicale. Aceste articole con\u021bin cantit\u0103\u021bi mici, dar valoroase, de metale pre\u021bioase, inclusiv aur (Au) \u0219i paladiu (Pd), care sunt utilizate pe scar\u0103 larg\u0103 pentru conductivitatea, stabilitatea \u0219i rezisten\u021ba lor excelent\u0103 la coroziune.<\/p>\n<p>Mecanismul elimin\u0103 necesitatea utiliz\u0103rii reactivilor corozivi sau a catalizatorilor externi. \u00cen schimb, folose\u0219te o solu\u021bie apoas\u0103 simpl\u0103 de <em>peroximonosulfat de potasiu<\/em> (<em>PMS<\/em>) \u0219i <em>clorur\u0103 de potasiu<\/em> (<em>KCl<\/em>). C\u00e2nd solu\u021bia intr\u0103 \u00een contact cu suprafe\u021be de aur sau paladiu, metalele \u00een sine se comport\u0103 ca ni\u0219te catalizatori. Pe suprafa\u021ba metalului, PMS \u0219i <em>ionii de clorur\u0103<\/em> (<em>Cl\u207b<\/em>) sunt activa\u021bi, produc\u00e2nd oxidan\u021bi extrem de reactivi, cum ar fi oxigenul singlet \u0219i acidul hipocloros. Ace\u0219ti oxidan\u021bi descompun apoi atomii metalici \u0219i permit ionilor de clorur\u0103 s\u0103 se lege de ei \u0219i s\u0103-i dizolve \u00een solu\u021bie pentru o recuperare u\u0219oar\u0103.<\/p>\n<p>Cercet\u0103torii au observat c\u0103 metoda atinge o eficien\u021b\u0103 de levigare a aurului de peste 98,2% din de\u015feurile de CPU \u0219i PCB \u015fi de 93,4% \u00een cazul paladiului. Aceasta \u00eenseamn\u0103 c\u0103 procesarea a doar 10 kilograme de pl\u0103ci de circuite reciclate poate produce aproximativ 1,4 grame de aur, la un cost total de aproximativ 72 de dolari. Aceasta este echivalentul a aproximativ 1.455 de dolari pe uncie, mult sub pre\u021burile actuale de pe pia\u021b\u0103. Spre compara\u021bie, pre\u021burile interna\u021bionale ale aurului la \u00eenceputul lunii ianuarie 2026 au dep\u0103\u0219it 4.400 de dolari pe uncie pentru prima dat\u0103 \u00een istorie. Se a\u0219teapt\u0103 ca acestea s\u0103 dep\u0103\u0219easc\u0103 10.000 de dolari pe uncie p\u00e2n\u0103 la sf\u00e2r\u0219itul deceniului.<\/p>\n<p>Pe l\u00e2ng\u0103 economiile de costuri, noul proces consum\u0103 cu aproximativ 62,5% mai pu\u021bin\u0103 energie dec\u00e2t tehnicile conven\u021bionale. De asemenea, reduce costurile reactivilor cu peste 93% \u00een compara\u021bie cu metodele pe baz\u0103 de cianur\u0103.<\/p>\n<p><strong>Sursa:<\/strong> studiul \u015ftiin\u0163ific <a href=\"https:\/\/www.researchgate.net\/publication\/398084436_Green_Recovery_of_Precious_Metals_from_E-waste_via_Autocatalytic_Leaching\" target=\"_blank\" rel=\"noopener\"><strong>&#8222;Green Recovery of Precious Metals from E\u2010waste via Autocatalytic Leaching&#8221; \/ researchgate.net<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cercet\u0103torii chinezi au descoperit o metod\u0103 rapid\u0103, ieftin\u0103 \u0219i mai ecologic\u0103 pentru extragerea aurului din de\u0219eurile electronice, care ar putea remodela semnificativ reciclarea de\u0219eurilor electronice la nivel mondial \u0219i ar putea reduce nevoia de minerit tradi\u021bional. Tehnica inovatoare, care poate &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"\u00cen doar 20 de minute, oamenii de \u0219tiin\u021b\u0103 chinezi recupereaz\u0103 98% din aurul de pe telefoanele vechi, la un cost redus\" class=\"read-more button\" href=\"https:\/\/www.lovendal.ro\/wp52\/in-doar-20-de-minute-oamenii-de-stiinta-chinezi-recupereaza-98-din-aurul-de-pe-telefoanele-vechi-la-un-cost-redus\/#more-101285\" aria-label=\"Cite\u0219te mai multe despre \u00cen doar 20 de minute, oamenii de \u0219tiin\u021b\u0103 chinezi recupereaz\u0103 98% din aurul de pe telefoanele vechi, la un cost redus\">Cititi mai multe<\/a><\/p>\n","protected":false},"author":1,"featured_media":101286,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[346,685,446,11,4110,7342,115,13425,66,7189,10875,13862,9803,6566,2358,2250],"class_list":["post-101285","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stiinta","tag-atomi","tag-aur","tag-china","tag-chinezi","tag-computer","tag-deseuri","tag-dolari","tag-electronice","tag-energie","tag-ioni","tag-oms","tag-paladiu","tag-stiinta","tag-telefon-mobil","tag-temperatura","tag-universitate","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.3 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00cen doar 20 de minute, oamenii de \u0219tiin\u021b\u0103 chinezi recupereaz\u0103 98% din aurul de pe telefoanele vechi, la un cost redus - Secretele lui Lovendal<\/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:\/\/www.lovendal.ro\/wp52\/in-doar-20-de-minute-oamenii-de-stiinta-chinezi-recupereaza-98-din-aurul-de-pe-telefoanele-vechi-la-un-cost-redus\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00cen doar 20 de minute, oamenii de \u0219tiin\u021b\u0103 chinezi recupereaz\u0103 98% din aurul de pe telefoanele vechi, la un cost redus\" \/>\n<meta property=\"og:description\" content=\"Cercet\u0103torii chinezi au descoperit o metod\u0103 rapid\u0103, ieftin\u0103 \u0219i mai ecologic\u0103 pentru extragerea aurului din de\u0219eurile electronice, care ar putea remodela semnificativ reciclarea de\u0219eurilor electronice la nivel mondial \u0219i ar putea reduce nevoia de minerit tradi\u021bional. 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Tehnica inovatoare, care poate ... 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