{"id":95368,"date":"2026-03-28T15:56:28","date_gmt":"2026-03-28T10:26:28","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=95368"},"modified":"2026-03-28T15:56:28","modified_gmt":"2026-03-28T10:26:28","slug":"waste-foundry-sand","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/waste-foundry-sand\/","title":{"rendered":"Waste Foundry Sand"},"content":{"rendered":"<h2><strong>Waste Foundry Sand Latest News<\/strong><\/h2>\n<p>Recently, the Institute of Indian Foundrymen (IIF) and CSIR-Central Road Research Institute (CSIR-CRRI) entered into an agreement to develop and facilitate solutions for the utilisation of waste foundry sand in road construction.<\/p>\n<h2><strong>About Waste Foundry Sand<\/strong><\/h2>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\">It is a byproduct from the production of both <strong>ferrous and nonferrous metal castings.<\/strong><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\">It is high quality silica sand.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\">The physical and chemical characteristics of foundry sand depend upon the type of casting process and the type of industries.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\">Classification of foundry sands depends upon the type of binder systems used in metal casting.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\">Two types of binder systems are generally used, and on the basis of that foundry sands are categorized as: clay-bonded sands (green sand) and chemically bonded sands.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Clay-bonded<\/strong> (Green) sand is composed of naturally occurring materials which are blended together; high quality silica sand (85\u201395%), bentonite clay (4\u201310%) as a binder<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Chemically bonded <\/strong>sands are used both in core making where high strengths are necessary to withstand the heat of molten metal, and in mold making.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\">Waste Foundry Sand poses environmental challenges due to its large-scale generation and disposal requirements.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Significance<\/strong>: Its reuse aligns with national priorities on resource efficiency, waste minimization, and sustainable development<\/span>.<\/li>\n<\/ul>\n<p><strong>Source<\/strong>: <a href=\"https:\/\/www.pib.gov.in\/PressReleasePage.aspx?PRID=2245715&amp;reg=3&amp;lang=1\" target=\"_blank\" rel=\"nofollow noopener\">Integrating Industrial Waste into Road Construction is Key to India\u2019s Circular Economy Vision &#8211; Dr. N. Kalaiselvi<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Waste Foundry Sand is a byproduct of metal casting. Know its types, properties, environmental impact, and growing use in road construction for sustainable development.<\/p>\n","protected":false},"author":24,"featured_media":95269,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,350,6433],"class_list":{"0":"post-95368","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-upsc-prelims-current-afffairs","10":"tag-waste-foundry-sand","11":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/95368","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=95368"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/95368\/revisions"}],"predecessor-version":[{"id":95378,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/95368\/revisions\/95378"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/95269"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=95368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=95368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=95368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}