{"id":64810,"date":"2026-03-23T11:41:49","date_gmt":"2026-03-23T06:11:49","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=64810"},"modified":"2026-03-23T14:57:09","modified_gmt":"2026-03-23T09:27:09","slug":"smog-eating-photocatalytic-coatings","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/smog-eating-photocatalytic-coatings\/","title":{"rendered":"Smog-Eating Photocatalytic Coating"},"content":{"rendered":"<h2><b>Smog-Eating Photocatalytic Coating Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Recently, the Delhi government \u00a0 and Indian Institute of Technology (IIT) Madras\u00a0 collaborated to study \u201csmog-eating\u201d photocatalytic coatings on roads.<\/span><\/p>\n<h2><b>About Smog-Eating Photocatalytic Coating<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is designed to <\/span><b>neutralize harmful gases<\/b><span style=\"font-weight: 400;\"> like <\/span><b>nitrogen dioxide and volatile hydrocarbons<\/b><span style=\"font-weight: 400;\"> that contribute to toxic air.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Compound used:<\/b><span style=\"font-weight: 400;\"> It usually uses <\/span><b>titanium dioxide<\/b><span style=\"font-weight: 400;\"> as a coating which has advantages for being low-cost and chemically stable.<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Titanium dioxide is also known for its compatibility with traditional construction materials.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">It has been \u201cdemonstrated that TiO\u2082-based photocatalytically active construction materials can be useful for <\/span><b>gaseous depollution and environmental cleaning processes.<\/b><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Working:<\/b><span style=\"font-weight: 400;\"> Photocatalytic activity helps <\/span><b>fight pollution by breaking down harmful substances<\/b><span style=\"font-weight: 400;\"> and organic waste into less toxic or harmless matters using light energy, thereby making air and water cleaner.<\/span><\/li>\n<\/ul>\n<h3><b>What is Smog?<\/b><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\">Smog is used to refer to a <\/span><b>type of air pollution<\/b><span style=\"font-weight: 400;\"> caused by a <\/span><b>combination of smoke<\/b><span style=\"font-weight: 400;\"> (and other pollutants) <\/span><b>and fog.<\/b><\/li>\n<li><span style=\"font-weight: 400;\">Smog encompasses a broad category of air pollutants created through a multitude of processes that relate specifically to the atmospheric conditions of the formation region.\u00a0<\/span><\/li>\n<li><b>Two distinct types of smog are recognized<\/b>\n<ul>\n<li><b>Sulfurous smog:<\/b><span style=\"font-weight: 400;\"> It results from <\/span><b>a high concentration of sulfur oxides<\/b><span style=\"font-weight: 400;\"> in the air and is caused by the use of sulfur-bearing fossil fuels, particularly coal.<\/span><\/li>\n<li><b>Photochemical smog:<\/b><span style=\"font-weight: 400;\"> It occurs most <\/span><b>prominently in urban areas<\/b><span style=\"font-weight: 400;\"> that have large numbers of automobiles..<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Source:<\/b> <strong><a href=\"https:\/\/indianexpress.com\/article\/cities\/delhi\/eye-on-tackling-air-pollution-delhi-govt-ties-up-with-iit-madras-to-study-smog-eating-coatings-on-roads-10595800\/\" target=\"_blank\" rel=\"nofollow noopener\">IE<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Smog-eating Photocatalytic Coating is designed to neutralize harmful gases like nitrogen dioxide and volatile hydrocarbons that contribute to toxic air. Read more about Smog Eating Photocatalytic Coatings, Uses, Advantages, Latest News.<\/p>\n","protected":false},"author":24,"featured_media":94372,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,6300,22,23],"class_list":{"0":"post-64810","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-smog-eating-photocatalytic-coating","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\/64810","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=64810"}],"version-history":[{"count":2,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/64810\/revisions"}],"predecessor-version":[{"id":94403,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/64810\/revisions\/94403"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/94372"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=64810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=64810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=64810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}