{"id":38077,"date":"2020-07-09T14:51:00","date_gmt":"2020-07-09T12:51:00","guid":{"rendered":"https:\/\/rinconeducativo.org\/?post_type=re_efemeride&#038;p=38077"},"modified":"2024-12-20T13:01:24","modified_gmt":"2024-12-20T12:01:24","slug":"july-9-1886-charles-martin-hall-files-patent-method-economise-aluminium-production","status":"publish","type":"re_efemeride","link":"https:\/\/rinconeducativo.org\/en\/anniversaries\/july-9-1886-charles-martin-hall-files-patent-method-economise-aluminium-production\/","title":{"rendered":"July 9, 1886 - Charles Martin Hall files a patent for his method to economise aluminium production"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"734\" height=\"513\" src=\"https:\/\/rinconeducativo.org\/wp-content\/uploads\/2024\/12\/Hall_Charles_Martin_Libro.png\" alt=\"Charles Martin Hall\" class=\"wp-image-38061\" style=\"width:200px;height:auto\" srcset=\"https:\/\/rinconeducativo.org\/wp-content\/uploads\/2024\/12\/Hall_Charles_Martin_Libro.png 734w, https:\/\/rinconeducativo.org\/wp-content\/uploads\/2024\/12\/Hall_Charles_Martin_Libro-500x349.png 500w\" sizes=\"auto, (max-width: 734px) 100vw, 734px\" \/><\/figure>\n<\/div>\n\n\n<p>On <a href=\"https:\/\/rinconeducativo.org\/en\/anniversaries\/february-23-1886-charles-martin-hall-produces-first-aluminium-samples-most-economical-method\/\" target=\"_blank\" rel=\"noreferrer noopener\">23 February 1886, this inventor and engineer produced the first samples of aluminium<\/a> using a method he had developed to make aluminium production cheaper, thus becoming the first metal to achieve widespread use since the prehistoric discovery of the iron.<\/p>\n\n\n\n<p>His basic invention involved passing an electric current through a bath of alumina dissolved in cryolite; the newly formed aluminium accumulated at the bottom of the retort.<\/p>\n\n\n\n<p>On 9 July 1886, Hall applied for his first patent. This process was also discovered almost at the same time by the Frenchman Paul H\u00e9roult and has come to be known as the \u2018Hall-H\u00e9roult process\u2019. It succeeded in lowering the price of aluminium by a factor of 200, making it affordable for many practical uses.<\/p>\n\n\n\n<p>When he could not get funding to continue his research, he moved to Pittsburgh (Pennsylvania, USA) where he contacted one of the best-known metallurgists of the time, Alfred Hunt. The two founded the Reduction Company of Pittsburgh, which opened the first large-scale aluminium production plants. It later became the Aluminum Company of America and then Alco. Hall was a major shareholder and became wealthy.<\/p>\n\n\n\n<p>In 1900, the annual production of aluminium reached about 8,000 tons, and today more aluminium is produced than all other non-ferrous metals combined.<\/p>\n\n\n\n<p>If you want to know more about this scientist, click on the following link: <a href=\"https:\/\/rinconeducativo.org\/en\/recursos-educativos\/charles-martin-hall-developed-method-economise-production-aluminium\/\" target=\"_blank\" rel=\"noreferrer noopener\">Charles Martin Hall<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>July 9, 1886 - Charles Martin Hall files a patent for his method to economise aluminium production.<\/p>\n","protected":false},"author":1088,"featured_media":38061,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[7715,8964],"mes":[7213],"clasificacion_anterior":[],"class_list":["post-38077","re_efemeride","type-re_efemeride","status-publish","has-post-thumbnail","hentry","tag-periodic-table-en","tag-tabla-periodica-en","mes-july"],"acf":{"fecha":"18860709"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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