{"id":107191,"date":"2026-06-08T13:16:53","date_gmt":"2026-06-08T07:46:53","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=107191"},"modified":"2026-06-08T13:49:02","modified_gmt":"2026-06-08T08:19:02","slug":"pyroprocessing","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/pyroprocessing\/","title":{"rendered":"Pyroprocessing"},"content":{"rendered":"<h2><b>Pyroprocessing Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Pyroprocessing is being used in many sectors across the globe.<\/span><\/p>\n<h2><b>About Pyroprocessing<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>way to change a solid material<\/b><span style=\"font-weight: 400;\"> physically or chemically <\/span><b>using high temperature.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>dry process<\/b><span style=\"font-weight: 400;\"> and very energy-intensive.\u00a0 Three sectors that use it most are cement-making, metallurgy, and nuclear power.<\/span><\/li>\n<\/ul>\n<h2><b>Applications of Pyroprocessing<\/b><\/h2>\n<ul>\n<li aria-level=\"1\"><b>Cement Making<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">This sector uses pyroprocessing the most and it involves<\/span><\/li>\n<li><span style=\"font-weight: 400;\">First, <\/span><b>finely ground limestone<\/b><span style=\"font-weight: 400;\">, clay and iron \u2014 the raw materials \u2014 are fed into a rotary kiln.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">As the <\/span><b>temperature increases to 900\u00b0 C,<\/b><span style=\"font-weight: 400;\"> the limestone loses its carbon dioxide, and at around 1,450\u00b0 C, the mix partly melts to form marble-sized nodules called clinker.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">The clinker is then ground to produce cement.<\/span><\/li>\n<\/ul>\n<\/li>\n<li aria-level=\"1\"><b>Metallurgy Sector<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">Pyroprocessing is <\/span><b>used to extract metals<\/b> <b>from their ores<\/b><span style=\"font-weight: 400;\"> in multiple stages.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">For example, sulphide ores are heated in air \u2014 or roasted \u2014 to convert them into metal oxides, like zinc sulphide.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Smelting melts an ore to separate the metal from waste impurities called slag.<\/span><\/li>\n<\/ul>\n<\/li>\n<li aria-level=\"1\"><b>Nuclear industry<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">It uses pyroprocessing to <\/span><b>reprocess spent nuclear fuel.<\/b><\/li>\n<li><span style=\"font-weight: 400;\">First, used <\/span><b>nuclear fuel is broken up into pieces<\/b><span style=\"font-weight: 400;\"> and placed in a salt bath \u2014 usually a mixture of lithium and potassium <\/span><b>chlorides at 500\u00b0 C or more.<\/b><\/li>\n<li><span style=\"font-weight: 400;\">Then, an electric current is passed through the salt bath, causing different elements to become separated depending on their electrochemical properties.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Operators then recover the elements of interest in separate streams.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Source: <\/b><strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/what-is-pyroprocessing\/article71072743.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pyroprocessing is a way to change a solid material physically or chemically using high temperature. Read more about Pyroprocessing, Meaning, Applications, Latest News.<\/p>\n","protected":false},"author":24,"featured_media":107209,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,8019,22,23],"class_list":{"0":"post-107191","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-pointers","9":"tag-pyroprocessing","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/107191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=107191"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/107191\/revisions"}],"predecessor-version":[{"id":107245,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/107191\/revisions\/107245"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/107209"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=107191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=107191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=107191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}