{"id":812,"date":"2017-10-12T00:00:00","date_gmt":"2017-10-12T00:00:00","guid":{"rendered":"https:\/\/amq-inc.com\/copper-and-its-properties\/"},"modified":"2017-10-12T00:00:00","modified_gmt":"2017-10-12T00:00:00","slug":"copper-and-its-properties","status":"publish","type":"post","link":"https:\/\/amq-inc.com\/en\/copper-and-its-properties\/","title":{"rendered":"Copper and its properties"},"content":{"rendered":"
\"Source:<\/div>\n
\n

Un des premiers m\u00e9taux utilis\u00e9s par l\u2019Homme, et de la m\u00eame famille que l\u2019or et l\u2019argent, le cuivre est un \u00e9l\u00e9ment chimique pr\u00e9sent dans la cro\u00fbte terrestre. Tr\u00e8s mall\u00e9able de nature, le cuivre est un excellent conducteur d\u2019\u00e9lectricit\u00e9 et de chaleur, en plus d\u2019\u00eatre tr\u00e8s r\u00e9sistant \u00e0 la corrosion. Avec le temps (et l\u2019oxydation) le cuivre change de couleur, passant du rose saumon au bleu-vert. Ceci est d\u00fb \u00e0 la pr\u00e9sence de turquoise dans le m\u00e9tal. C\u2019est pour cette raison que les toits de plusieurs \u00e9glises et b\u00e2timents historiques du Qu\u00e9bec prennent cette patine au fil des ans.<\/p>\n

Utilisation<\/strong><\/h2>\n

Le cuivre est utilis\u00e9, entre autres, pour le c\u00e2ble \u00e9lectrique, les t\u00e9l\u00e9communications, les batteries, les tuyaux de plomberie et les supra-conducteurs. On en trouve \u00e9galement dans certaines pi\u00e8ces de monnaie, tel l\u2019Euro et les anciennes pi\u00e8ces de 1 cent, et dans la fabrication d\u2019instruments de musique et d\u2019articles de cuisine. Et n\u2019oublions pas le toit du Ch\u00e2teau Frontenac!<\/p>\n

Le cuivre se pr\u00eate particuli\u00e8rement bien au recyclage, puisqu\u2019il peut \u00eatre recycl\u00e9 \u00e0 l\u2019infini sans alt\u00e9ration ni perte de performance.<\/p>\n

Mines au Qu\u00e9bec<\/strong><\/h2>\n

La fonderie Horne<\/a>\u00a0de\u00a0Glencore Canada Corporation<\/a>\u00a0\u00e0\u00a0Rouyn-Noranda<\/a>\u00a0en Abitibi-T\u00e9miscamingue produit et recycle le cuivre.<\/p>\n

C\u2019est avec l\u2019ouverture de la mine Horne \u00e0 Noranda en 1927 que l\u2019exploitation du cuivre \u00e0 grande \u00e9chelle a vu le jour au Qu\u00e9bec. Depuis, les activit\u00e9s de la fonderie Horne n\u2019ont cess\u00e9 d\u2019\u00e9voluer selon les besoins du march\u00e9. C\u2019est ainsi que les activit\u00e9s de recyclage du cuivre ont pris de l\u2019importance \u00e0 la\u00a0fonderie Horne<\/a>. En plus de traiter les concentr\u00e9s de cuivre provenant des mines, l\u2019usine m\u00e9tallurgique recycle le cuivre \u00e0 partir de mati\u00e8res recycl\u00e9s, notamment les produits \u00e9lectroniques en fin de vie. Elle \u00e9value actuellement un projet d\u2019optimisation dans ce sens.<\/p>\n

En 2012, le Canada s\u2019est class\u00e9 au 8e rang de la production mondiale de cuivre. Le Chili se classe en premier rang avec 32% de la production mondiale<\/a>.<\/p>\n

La production de cuivre est en baisse au Qu\u00e9bec depuis une quinzaine d\u2019ann\u00e9es. Plusieurs des nombreuses mines du Qu\u00e9bec sont aujourd\u2019hui \u00e9puis\u00e9es<\/a>.<\/p>\n

En fait, il s\u2019agit d\u2019une r\u00e9alit\u00e9 mondiale, puisqu\u2019il ne reste qu\u2019environ 30 ann\u00e9es de r\u00e9serves de cuivre, une ressource non renouvelable. C\u2019est au Chili, en Indon\u00e9sie et aux \u00c9tats-Unis qui se trouvent la majorit\u00e9 des r\u00e9serves connues.<\/a><\/p>\n

Faits int\u00e9ressants<\/strong><\/h2>\n

Le cuivre est utilis\u00e9 depuis 10 000 ans.<\/p>\n

La tradition associe le cuivre \u00e0 la plan\u00e8te V\u00e9nus, donc \u00e0 la f\u00e9minit\u00e9, l\u2019amour et la jeunesse. Les alchimistes d\u00e9signaient le cuivre par le symbole pour la femme.<\/p>\n

Le cuivre a un teint rose saumon. C\u2019est pour cette raison qu\u2019on le nomme le \u00ab m\u00e9tal rouge. \u00bb<\/p>\n

En moyenne, une maison contient environ 180 kg de cuivre, tandis qu\u2019une automobile contient environ 23 kg.<\/p>\n<\/div>\n

\n

L\u2019information contenue dans cette fiche d\u2019information provient de sources publiques et v\u00e9rifiables.<\/em><\/p>\n<\/div>\n

\n
\n

R\u00e9f\u00e9rences<\/h4>\n

Wikip\u00e9dia<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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