{"id":24811,"date":"2021-10-07T09:52:39","date_gmt":"2021-10-07T15:52:39","guid":{"rendered":"https:\/\/otech.uaeh.edu.mx\/noti\/?p=24811"},"modified":"2021-10-07T09:52:39","modified_gmt":"2021-10-07T15:52:39","slug":"el-calentamiento-instantaneo-recicla-de-manera-eficiente-los-metales-preciosos-de-los-desechos-electronicos","status":"publish","type":"post","link":"https:\/\/otech.uaeh.edu.mx\/noti\/tech\/el-calentamiento-instantaneo-recicla-de-manera-eficiente-los-metales-preciosos-de-los-desechos-electronicos\/","title":{"rendered":"El calentamiento instant\u00e1neo recicla de manera eficiente los metales preciosos de los desechos electr\u00f3nicos"},"content":{"rendered":"<p style=\"text-align: justify;\" data-gtm-vis-recent-on-screen-8631395_73=\"1632\" data-gtm-vis-first-on-screen-8631395_73=\"1632\" data-gtm-vis-total-visible-time-8631395_73=\"100\" data-gtm-vis-has-fired-8631395_73=\"1\"><span style=\"color: #000000;\"><a class=\"Link\" style=\"color: #000000;\" href=\"https:\/\/newatlas.com\/freezing-crushing-ewaste\/48524\/?itm_source=newatlas&amp;itm_medium=article-body\" data-cms-ai=\"0\">Los desechos electr\u00f3nicos<\/a>\u00a0(o\u00a0<a class=\"Link\" style=\"color: #000000;\" href=\"https:\/\/newatlas.com\/freezing-crushing-ewaste\/48524\/?itm_source=newatlas&amp;itm_medium=article-body\" data-cms-ai=\"0\">desechos<\/a>\u00a0electr\u00f3nicos) no solo son un contaminante importante en los vertederos, sino que se est\u00e1n desechando enormes cantidades de recursos \u00fatiles.\u00a0Los ingenieros de la Universidad de Rice han demostrado ahora que los metales preciosos y los minerales de tierras raras se pueden recuperar mediante el calentamiento instant\u00e1neo de componentes electr\u00f3nicos molidos con una descarga de electricidad.<!--more--><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">La b\u00fasqueda anual de tel\u00e9fonos m\u00e1s nuevos y brillantes hace que\u00a0<a class=\"Link\" style=\"color: #000000;\" href=\"https:\/\/theconversation.com\/global-electronic-waste-up-21-in-five-years-and-recycling-isnt-keeping-up-141997\" target=\"_blank\" rel=\"noopener noreferrer\" data-cms-ai=\"0\">los desechos electr\u00f3nicos sean<\/a>\u00a0el flujo de desechos de m\u00e1s r\u00e1pido crecimiento en el mundo, con 59 millones de toneladas generadas solo en 2019.\u00a0Si limpiar el medio ambiente no es lo suficientemente motivador, entonces tal vez el incentivo financiero lo sea: se estima que todas esas computadoras port\u00e1tiles desechadas, Zunes y iPhone 12s contienen decenas de miles de millones de d\u00f3lares en metales preciosos como oro, plata, cobre y platino. .\u00a0Desafortunadamente, menos del 20 por ciento de los desechos electr\u00f3nicos del mundo se recicla, por lo que el equipo de Rice se propuso hacer este proceso m\u00e1s f\u00e1cil y menos costoso.<\/span><\/p>\n<div class=\"recirculation\" style=\"text-align: justify;\">\n<div class=\"PromoA\" data-content-type=\"article\" data-image-align=\"left\">\n<div class=\"PromoA-content\">\n<div class=\"PromoA-title\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">En un trabajo anterior, los investigadores demostraron una t\u00e9cnica llamada calentamiento instant\u00e1neo de joules, que implicaba sacudidas de electricidad de milisegundos de duraci\u00f3n que calentaban los materiales a altas temperaturas. Originalmente, el equipo us\u00f3 esto para\u00a0<a class=\"Link\" style=\"color: #000000;\" href=\"https:\/\/newatlas.com\/materials\/high-value-flash-graphene-cheap-trash\/?itm_source=newatlas&amp;itm_medium=article-body\" data-cms-ai=\"0\">crear grafeno a<\/a>\u00a0partir de productos de desecho y luego convirti\u00f3 el carbono de casi cualquier fuente en\u00a0<a class=\"Link\" style=\"color: #000000;\" href=\"https:\/\/newatlas.com\/materials\/carbon-graphene-diamond-flash-joule-heating\/?itm_source=newatlas&amp;itm_medium=article-body\" data-cms-ai=\"0\">grafeno o diamante<\/a>\u00a0alternando la longitud del destello.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Para el nuevo estudio, el equipo centr\u00f3 su atenci\u00f3n en el problema de los desechos electr\u00f3nicos.\u00a0Comenzaron moliendo placas de circuito viejas y desechadas hasta convertirlas en polvo, luego sacudieron la mezcla para calentarla a 3,127 \u00b0 C (5,660 \u00b0 F).\u00a0Esto vaporiza los metales y los vapores luego se canalizan a una trampa fr\u00eda donde se vuelven a condensar en metales s\u00f3lidos.\u00a0A partir de ah\u00ed, los m\u00e9todos de refinaci\u00f3n comunes pueden separar los metales espec\u00edficos para su uso.<\/span><\/p>\n<div class=\"Enhancement\" style=\"text-align: justify;\" data-align-center=\"\">\n<div class=\"Enhancement-item\">\n<figure class=\"Figure\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/newatlas.com\/materials\/ewaste-flash-heating-recover-precious-metals\/#gallery:2\"><picture data-imagesize=\"gallerySlide\" data-imagesizeformobile=\"gallerySlideMobile\"><source srcset=\"https:\/\/assets.newatlas.com\/dims4\/default\/f05b32e\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/768x512!\/format\/webp\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 1x,https:\/\/assets.newatlas.com\/dims4\/default\/40a4bfa\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/1536x1024!\/format\/webp\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 2x\" type=\"image\/webp\" media=\"(max-width: 768px)\" data-srcset=\"https:\/\/assets.newatlas.com\/dims4\/default\/f05b32e\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/768x512!\/format\/webp\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 1x,https:\/\/assets.newatlas.com\/dims4\/default\/40a4bfa\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/1536x1024!\/format\/webp\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 2x\" \/><source srcset=\"https:\/\/assets.newatlas.com\/dims4\/default\/b4947a8\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/768x512!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 1x,https:\/\/assets.newatlas.com\/dims4\/default\/49d84f7\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/1536x1024!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 2x\" media=\"(max-width: 768px)\" data-srcset=\"https:\/\/assets.newatlas.com\/dims4\/default\/b4947a8\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/768x512!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 1x,https:\/\/assets.newatlas.com\/dims4\/default\/49d84f7\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/1536x1024!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 2x\" \/><source srcset=\"https:\/\/assets.newatlas.com\/dims4\/default\/a56c66c\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/1440x960!\/format\/webp\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 1x,https:\/\/assets.newatlas.com\/dims4\/default\/4b904c0\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/2880x1920!\/format\/webp\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 2x\" type=\"image\/webp\" data-srcset=\"https:\/\/assets.newatlas.com\/dims4\/default\/a56c66c\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/1440x960!\/format\/webp\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 1x,https:\/\/assets.newatlas.com\/dims4\/default\/4b904c0\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/2880x1920!\/format\/webp\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 2x\" \/><source srcset=\"https:\/\/assets.newatlas.com\/dims4\/default\/35a089f\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/1440x960!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 1x,https:\/\/assets.newatlas.com\/dims4\/default\/90f01a9\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/2880x1920!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 2x\" data-srcset=\"https:\/\/assets.newatlas.com\/dims4\/default\/35a089f\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/1440x960!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 1x,https:\/\/assets.newatlas.com\/dims4\/default\/90f01a9\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/2880x1920!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg 2x\" \/><img loading=\"lazy\" decoding=\"async\" class=\"Image\" src=\"https:\/\/assets.newatlas.com\/dims4\/default\/35a089f\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/1440x960!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg\" alt=\"Los metales en polvo se depositan en el fondo de un tubo despu\u00e9s de ser separados usando la t\u00e9cnica de calentamiento instant\u00e1neo por joule\" width=\"1440\" height=\"960\" data-src=\"https:\/\/assets.newatlas.com\/dims4\/default\/35a089f\/2147483647\/strip\/true\/crop\/1920x1280+0+0\/resize\/1440x960!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fc6%2F04%2Ffe06bc3748758bee4bcc5dd6c265%2Fflash-joule-ewaste-1.jpg\" \/><\/picture><\/a><\/span><\/p>\n<div class=\"Figure-content\">\n<div class=\"Figure-content\"><\/div>\n<\/div><figcaption class=\"Figure-caption\"><span style=\"color: #000000;\">Los metales en polvo se depositan en el fondo de un tubo despu\u00e9s de ser separados usando la t\u00e9cnica de calentamiento instant\u00e1neo por joule<\/span><\/figcaption><div class=\"Figure-content\">\n<div class=\"Figure-credit\"><span style=\"color: #000000;\">Jeff Fitlow<\/span><\/div>\n<\/div>\n<\/figure>\n<\/div>\n<\/div>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">El equipo dice que este proceso puede recuperar m\u00e1s del 60 por ciento del oro en una muestra y m\u00e1s del 80 por ciento de plata, paladio y rodio.\u00a0Tambi\u00e9n elimina metales pesados \u200b\u200bt\u00f3xicos como cromo, ars\u00e9nico, cadmio, mercurio y plomo, que pueden filtrarse al medio ambiente a partir de los desechos electr\u00f3nicos en los vertederos.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Es importante destacar que los investigadores dicen que el proceso es energ\u00e9ticamente eficiente y escalable.\u00a0Consume alrededor de 939 kWh por tonelada de material procesado, que es un 80\u00ba de la cantidad consumida por la fundici\u00f3n comercial y un 500\u00ba de la de los hornos.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u201cAqu\u00ed, la mayor fuente creciente de desechos se convierte en un tesoro\u201d, dice James Tour, investigador principal del estudio.\u00a0\u201cEsto reducir\u00e1 la necesidad de viajar por todo el mundo para extraer minerales en lugares remotos y peligrosos, despojar la superficie de la Tierra y utilizar gran cantidad de recursos h\u00eddricos.\u00a0El tesoro est\u00e1 en nuestros contenedores de basura &#8220;.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">El estudio fue publicado en la revista\u00a0<i><a class=\"Link\" style=\"color: #000000;\" href=\"https:\/\/www.nature.com\/articles\/s41467-021-26038-9\" target=\"_blank\" rel=\"noopener noreferrer\" data-cms-ai=\"0\">Nature Communications<\/a><\/i>\u00a0.\u00a0El equipo describe el proceso en el video a continuaci\u00f3n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Fuente:\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Flash-heating efficiently recycles precious metals from e-waste. (2021). Retrieved 7 October 2021, from https:\/\/newatlas.com\/materials\/ewaste-flash-heating-recover-precious-metals\/<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los desechos electr\u00f3nicos\u00a0(o\u00a0desechos\u00a0electr\u00f3nicos) no solo son un contaminante importante en los vertederos, sino que se est\u00e1n desechando enormes cantidades de recursos \u00fatiles.\u00a0Los ingenieros de la Universidad de Rice han demostrado ahora que los metales preciosos y los minerales de tierras raras se pueden recuperar mediante el calentamiento instant\u00e1neo de componentes electr\u00f3nicos molidos con una descarga [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":24812,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-24811","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech"],"yoast_head":"<!-- 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electr\u00f3nicos\u00a0(o\u00a0desechos\u00a0electr\u00f3nicos) no solo son un contaminante importante en los vertederos, sino que se est\u00e1n desechando enormes cantidades de recursos \u00fatiles.\u00a0Los ingenieros de la Universidad de Rice han demostrado ahora que los metales preciosos y los minerales de tierras raras se pueden recuperar mediante el calentamiento instant\u00e1neo de componentes electr\u00f3nicos molidos con una descarga [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/otech.uaeh.edu.mx\/noti\/tech\/el-calentamiento-instantaneo-recicla-de-manera-eficiente-los-metales-preciosos-de-los-desechos-electronicos\/\" \/>\n<meta property=\"og:site_name\" content=\"Observatorio Tecnol\u00f3gico de Hidalgo\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/observatoriouaeh\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-07T15:52:39+00:00\" \/>\n<meta property=\"og:image\" 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