{"id":2093,"date":"2025-04-22T08:30:00","date_gmt":"2025-04-22T06:30:00","guid":{"rendered":"https:\/\/www.aucoffre.com\/academie\/?p=2093"},"modified":"2025-04-29T10:38:41","modified_gmt":"2025-04-29T08:38:41","slug":"chasse-au-tresor-recuperer-lor-des-composants-electroniques","status":"publish","type":"post","link":"https:\/\/www.aucoffre.com\/academie\/chasse-au-tresor-recuperer-lor-des-composants-electroniques\/","title":{"rendered":"Chasse au tr\u00e9sor : r\u00e9cup\u00e9rer l&rsquo;or des composants \u00e9lectroniques"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Entre 2020 et 2025, le prix de <a href=\"https:\/\/www.aucoffre.com\/cours-or\">l\u2019once d\u2019or<\/a> a pratiquement doubl\u00e9, passant de 1 500 \u00e0 3\u00a0000 \u20ac. On comprend donc pourquoi les investisseurs appr\u00e9cient ce m\u00e9tal pr\u00e9cieux, en particulier en temps de crise. Cette valeur refuge permet de diversifier son portefeuille et de s\u00e9curiser une partie de son patrimoine face aux incertitudes \u00e9conomiques et \u00e0 l\u2019instabilit\u00e9 g\u00e9opolitique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Du c\u00f4t\u00e9 des particuliers, l\u2019or repr\u00e9sente une aubaine pour ceux qui poss\u00e8dent des objets contenant du m\u00e9tal jaune. Ils peuvent envisager de le r\u00e9cup\u00e9rer pour le vendre et b\u00e9n\u00e9ficier d\u2019une entr\u00e9e d\u2019argent ponctuelle. O\u00f9 trouver ces filons\u2009? Dans cet article, nous vous donnons quelques pistes \u00e0 explorer\u2009!&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les appareils \u00e9lectroniques&nbsp;: une mine d\u2019or \u00e0 port\u00e9e de main\u2009?<strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Smartphones, ordinateurs, tablettes, t\u00e9l\u00e9visions : ne jetez pas vos appareils \u00e9lectroniques vieillissants, car ils peuvent valoir de l\u2019or\u2009!\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u2019apr\u00e8s l\u2019ADEME (Agence de la transition \u00e9cologique), 46 millions de mobiles inutilis\u00e9s sont stock\u00e9s dans nos placards et ne sont pas recycl\u00e9s (<a href=\"https:\/\/agirpourlatransition.ademe.fr\/particuliers\/conso\/conso-responsable\/telephones-portables-mine-dor-tiroirs\">source<\/a>). Pourtant, il y aurait <strong>100\u00a0fois plus d\u2019or dans une tonne de t\u00e9l\u00e9phones<\/strong> que dans la m\u00eame quantit\u00e9 de minerais d\u2019or.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selon les <a href=\"http:\/\/www.dr8.cnrs.fr\/CNRS-Hebdo\/Actualites\/6786\/Suite.aspx\">chiffres du CNRS<\/a>, une tonne de cartes \u00e9lectroniques contiendrait 1&nbsp;kg d\u2019or, 5&nbsp;kg d\u2019argent, 250&nbsp;kg de cuivre et 9&nbsp;kg de tantale. D\u2019autres m\u00e9taux comme le palladium, le nickel, le cobalt et l\u2019\u00e9tain sont aussi pr\u00e9sents.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Processeurs, cartes m\u00e8res, connecteurs ou circuits imprim\u00e9s : pourquoi les industriels emploient-ils l\u2019or pour concevoir les composants \u00e9lectroniques\u2009? Le m\u00e9tal jaune est \u00e0 la fois simple d\u2019utilisation et id\u00e9al pour les soudures gr\u00e2ce \u00e0 ses propri\u00e9t\u00e9s exceptionnelles :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>conductivit\u00e9 \u00e9lectronique et thermique\u2009;<\/li>\n\n\n\n<li>inoxydabilit\u00e9 : il ne se d\u00e9grade pas avec le temps\u2009;<\/li>\n\n\n\n<li>r\u00e9sistance aux acides\u2009;<\/li>\n\n\n\n<li>\u00e9lasticit\u00e9 : on dit aussi que l\u2019or est ductile (il s\u2019\u00e9tire sans se s\u00e9parer).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Concr\u00e8tement, combien d\u2019or allez-vous trouver dans vos appareils \u00e9lectroniques\u2009? La quantit\u00e9 d\u2019or par objet reste peu \u00e9lev\u00e9e. Dans un ordinateur portable, par exemple, il y aurait<a href=\"https:\/\/ecoinfo.cnrs.fr\/2014\/04\/11\/les-materiaux-dans-les-equipements-terminaux\/\"> un gramme d\u2019or<\/a>. En revanche, \u00e0 grande \u00e9chelle, le recyclage de ce m\u00e9tal pr\u00e9cieux repr\u00e9sente une activit\u00e9 plus rentable que l\u2019extraction mini\u00e8re.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Extraire l\u2019or des composants \u00e9lectroniques&nbsp;: comment faire\u2009?<strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La m\u00e9thode traditionnelle d\u2019extraction de l\u2019or des appareils \u00e9lectroniques est complexe et dangereuse. Elle suppose d\u2019identifier et de r\u00e9cup\u00e9rer tous les composants concern\u00e9s, puis d\u2019utiliser un produit hautement corrosif et toxique\u00a0: l\u2019eau de r\u00e9gale, aussi appel\u00e9e eau royale. Il s\u2019agit d\u2019un concentr\u00e9 d\u2019acide chlorhydrique et d\u2019acide nitrique, capable de dissoudre des m\u00e9taux r\u00e9sistants comme le platine ou l\u2019or.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il est donc conseill\u00e9 de faire appel \u00e0 une entreprise sp\u00e9cialis\u00e9e dans ce type de recyclage. Les projets pour une extraction \u00ab\u2009propre\u2009\u00bb fleurissent \u00e0 travers le monde, car l\u2019enjeu est de taille si l\u2019on souhaite pr\u00e9server les ressources naturelles et l\u2019environnement.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le <a href=\"https:\/\/www.chemeurope.com\/fr\/news\/1177442\/le-graphene-comme-pierre-philosophale-transformer-les-dechets-en-or.html#:~:text=Le%20proc%C3%A9d%C3%A9%20%C3%A0%20base%20de,or%20et%20des%20d%C3%A9chets%20%C3%A9lectroniques.\">graph\u00e8ne<\/a>, par exemple, fait l\u2019objet d\u2019\u00e9tudes scientifiques. Ce mat\u00e9riau permettrait de capter l\u2019or pur de n\u2019importe quelle solution contenant des traces du m\u00e9tal jaune, par \u00e9lectrochimie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les autres objets qui contiennent de l\u2019or \u00e0 r\u00e9cup\u00e9rer<strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019or ne se trouve pas seulement dans les composants \u00e9lectroniques. Le secteur de la joaillerie est le premier consommateur du m\u00e9tal dor\u00e9 et beaucoup de Fran\u00e7ais poss\u00e8dent d\u2019<a href=\"https:\/\/www.aucoffre.com\/academie\/que-faire-anciens-bijoux\/\">anciens bijoux<\/a> dont ils ne se servent plus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous notez la pr\u00e9sence d\u2019un poin\u00e7on sur des colliers, bracelets, bagues, chevali\u00e8res, montres ou boucles d\u2019oreilles, c\u2019est que votre \u00ab\u2009pr\u00e9cieux\u2009\u00bb contient de l\u2019or. Pour conna\u00eetre la valeur de l&rsquo;objet, il faut d\u00e9terminer spn <a href=\"https:\/\/www.aucoffre.com\/academie\/pourcentage-purete-or-carats\/\">niveau de puret\u00e9<\/a>. Celui-ci se mesure en carat\u00a0: un bijou de 24\u00a0carats est consid\u00e9r\u00e9 comme pur \u00e0 99,5\u00a0% alors qu\u2019un autre de 9\u00a0carats affiche une puret\u00e9 de 37,5\u00a0%.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-white-color has-vivid-cyan-blue-background-color has-text-color has-background\"><tbody><tr><td><strong>Le saviez-vous\u2009? Soucieux de l\u2019impact environnemental des m\u00e9taux pr\u00e9cieux, AuCOFFRE vous propose de racheter vos anciens bijoux en or gr\u00e2ce \u00e0 son offre <a href=\"https:\/\/www.aucoffre.com\/oze-or-zero-empreinte\">OZE, Or z\u00e9ro Empreinte<\/a>. Fini les \u00e9tapes d\u2019affinage et de fonte ! AuCOFFRE trie et valorise vos bijoux pour les conditionner en lots de 500\u00a0g d\u2019or pur et les stocker aux Ports Francs de Gen\u00e8ve. De plus, toute transaction inf\u00e9rieure \u00e0 5\u2009000\u00a0\u20ac est exon\u00e9r\u00e9e de taxe.<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"jeg_video_container jeg_video_content\"><iframe title=\"BIJOUX : d\u00e9couvrez l&#039;offre OZE, l&#039;OR Z\u00c9RO EMPREINTE  | Acad\u00e9mie AuCOFFRE\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/hCSHa7fj8dc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Autres biens en or convoit\u00e9s, les <strong>pi\u00e8ces de monnaie <\/strong>poss\u00e8dent leur propre cours. On peut citer notamment les <a href=\"https:\/\/www.aucoffre.com\/or\/napoleon\" target=\"_blank\" rel=\"noreferrer noopener\">Napol\u00e9ons<\/a> ou les <a href=\"https:\/\/www.aucoffre.com\/or\/vreneli\">Francs suisses<\/a>. Pour estimer leur valeur, plusieurs crit\u00e8res entrent en jeu\u00a0:\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>l\u2019\u00e9tat de conservation\u2009;<\/li>\n\n\n\n<li>le mill\u00e9sime\u2009;<\/li>\n\n\n\n<li>la provenance (atelier o\u00f9 elles ont \u00e9t\u00e9 frapp\u00e9es)\u2009;<\/li>\n\n\n\n<li>le nombre d\u2019exemplaires sur le march\u00e9\u2009;<\/li>\n\n\n\n<li>leur popularit\u00e9.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Le prix des pi\u00e8ces d&rsquo;or est en effet calcul\u00e9 en fonction de <a href=\"https:\/\/www.aucoffre.com\/academie\/quest-ce-que-la-prime-dune-piece-dor\/\">leur prime<\/a>. Cette prime, exprim\u00e9e en pourcentage, correspond \u00e0 la diff\u00e9rence entre le prix de la pi\u00e8ce et le prix de l&rsquo;or qu&rsquo;elle contient.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Outre ces grands classiques, d\u2019autres objets du quotidien peuvent contenir de l\u2019or.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les <strong>dispositifs dentaires&nbsp;<\/strong>: certaines proth\u00e8ses sont fabriqu\u00e9es en m\u00e9tal pr\u00e9cieux. Pensez \u00e0 r\u00e9cup\u00e9rer votre ancienne couronne avant de quitter votre dentiste\u2009! Le pourcentage d\u2019or dans l\u2019alliage dentaire varie de 50&nbsp;% \u00e0 90&nbsp;%.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les <strong>effets personnels\u00a0<\/strong>: briquet, stylo, lunettes, boutons de manchettes, boucle de ceinture&#8230; L\u2019industrie du luxe n\u2019h\u00e9site pas \u00e0 utiliser l\u2019or pour magnifier ses collections.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les <strong>objets d\u00e9coratifs<\/strong> comme des miroirs ou des meubles dor\u00e9s \u00e0 l\u2019or fin.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi se ruer vers l\u2019or sans sortir de chez soi\u2009?<strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Prendre le temps d\u2019examiner de plus pr\u00e8s vos objets du quotidien peut se r\u00e9v\u00e9ler \u00e0 la fois lucratif et responsable.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Une richesse insoup\u00e7onn\u00e9e<strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019or est une valeur refuge qui se bonifie avec le temps. Le rapport de force entre l\u2019offre et la demande favorise la croissance de son cours. En effet, la joaillerie et les diff\u00e9rents secteurs industriels pl\u00e9biscitent le m\u00e9tal jaune pour sa beaut\u00e9 et ses propri\u00e9t\u00e9s.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En parall\u00e8le, l\u2019or se rar\u00e9fie car les mines aurif\u00e8res s\u2019\u00e9puisent. La d\u00e9couverte de nouveaux gisements est complexe et co\u00fbteuse. Recycler l\u2019or en circulation devient une n\u00e9cessit\u00e9 pour satisfaire les besoins \u00e0 l\u2019\u00e9chelle mondiale.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Un geste pour la plan\u00e8te<strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cette qu\u00eate au tr\u00e9sor dans nos placards ou nos greniers peut \u00eatre consid\u00e9r\u00e9e comme un acte militant. L\u2019impact social et environnemental de l\u2019extraction de l\u2019or est consid\u00e9rable. Cette activit\u00e9 g\u00e9n\u00e8re de nombreux d\u00e9chets, pollue l\u2019air, contamine les eaux, ass\u00e8che les sols et entra\u00eene, dans certains pays, des atteintes aux droits de l\u2019Homme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le recyclage est aujourd\u2019hui une solution responsable. D\u2019autant plus qu\u2019il existerait <a href=\"https:\/\/www.lefigaro.fr\/secteur\/high-tech\/dechets-electroniques-un-tiers-des-telephones-ne-seront-plus-utilises-en-2022-20221017#:~:text=D%C3%A9chets%20%C3%A9lectroniques%20%3A%20Un%20tiers%20des%20t%C3%A9l%C3%A9phones%20ne%20seront%20plus%20utilis%C3%A9s%20en%202022,-Par%20Salom%C3%A9%20Ferraris&amp;text=Selon%20un%20rapport%20du%20forum,tiroir%20ou%20dans%20un%20placard.\">44,48\u00a0millions de tonnes de d\u00e9chets d\u2019\u00e9quipements \u00e9lectroniques et \u00e9lectriques<\/a> (DEEE) dans le monde. \u00c0 la cl\u00e9, de l\u2019or, mais aussi du cobalt ou du cuivre qui permettraient aux diff\u00e9rents pays de gagner en autonomie dans leur approvisionnement en m\u00e9taux pr\u00e9cieux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Entre 2020 et 2025, le prix de l\u2019once d\u2019or a pratiquement doubl\u00e9, passant de 1 500 \u00e0 3\u00a0000 \u20ac. On comprend donc pourquoi les investisseurs appr\u00e9cient ce m\u00e9tal pr\u00e9cieux, en particulier en temps de crise. Cette valeur refuge permet de diversifier son portefeuille et de s\u00e9curiser une partie de son patrimoine face aux incertitudes \u00e9conomiques [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":2095,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","jnews-multi-image_gallery":[],"jnews_single_post":{"subtitle":"","format":"standard","video":"","gallery":"","source_name":"","source_url":"","via_name":"","via_url":"","override_template":"0","override":[{"template":"8","single_blog_custom":"","parallax":"1","fullscreen":"0","layout":"no-sidebar-narrow","sidebar":"default-sidebar","second_sidebar":"default-sidebar","sticky_sidebar":"1","share_position":"bottom","share_float_style":"share-monocrhome","show_share_counter":"1","show_view_counter":"1","show_featured":"1","show_post_meta":"1","show_post_author":"0","show_post_author_image":"1","show_post_date":"1","post_date_format":"default","post_date_format_custom":"Y\/m\/d","show_post_category":"1","show_post_reading_time":"1","post_reading_time_wpm":"300","show_zoom_button":"0","zoom_button_out_step":"2","zoom_button_in_step":"3","show_post_tag":"1","show_prev_next_post":"1","show_popup_post":"1","number_popup_post":"2","show_author_box":"1","show_post_related":"1","show_inline_post_related":"0"}],"override_image_size":"0","image_override":[{"single_post_thumbnail_size":"crop-500","single_post_gallery_size":"crop-500"}],"trending_post":"0","trending_post_position":"meta","trending_post_label":"Trending","sponsored_post":"0","sponsored_post_label":"Sponsored by","sponsored_post_name":"","sponsored_post_url":"","sponsored_post_logo_enable":"0","sponsored_post_logo":"","sponsored_post_desc":"","disable_ad":"0"},"jnews_primary_category":{"id":"","hide":""},"jnews_social_meta":{"fb_title":"","fb_description":"","fb_image":"","twitter_title":"","twitter_description":"","twitter_image":""},"jnews_override_counter":{"override_view_counter":"0","view_counter_number":"0","override_share_counter":"0","share_counter_number":"0","override_like_counter":"0","like_counter_number":"0","override_dislike_counter":"0","dislike_counter_number":"0"},"footnotes":""},"categories":[80],"tags":[141,87,91,83],"niveau":[130],"class_list":["post-2093","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-univers-metaux-precieux","tag-curiosite","tag-economie","tag-investissement","tag-or","niveau-debutant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pourquoi r\u00e9cup\u00e9rer l&#039;or des composants \u00e9lectroniques ?<\/title>\n<meta name=\"description\" content=\"O\u00f9 trouver de l&#039;or dans les objets du quotidien et comment r\u00e9cup\u00e9rer le m\u00e9tal pr\u00e9cieux ? 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