{"id":28473,"date":"2024-12-05T03:59:38","date_gmt":"2024-12-04T22:29:38","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=28473"},"modified":"2025-04-08T19:35:15","modified_gmt":"2025-04-08T14:05:15","slug":"nanobubbles","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/nanobubbles\/","title":{"rendered":"What are Nanobubbles?"},"content":{"rendered":"<h2><strong>About Nanobubbles:<\/strong><\/h2>\n<ul>\n<li>Nanobubbles are <strong>70-120 nanometers in size<\/strong>, 2500 times smaller than a single grain of salt.<\/li>\n<li>They can be <strong>formed using any gas and injected into any liquid.<\/strong><\/li>\n<li>Nanobubbles have unique physical and chemical properties and are <strong>superior to other aeration methods.<\/strong><\/li>\n<li>Therefore, nanobubble technology is used in a <strong>variety of applications<\/strong>, including <strong>water treatment, agriculture, aquaculture, food processing<\/strong>, and other industrial areas.<\/li>\n<li><strong>Properties<\/strong>:\n<ul>\n<li><strong>Large Surface Area<\/strong>: Nanobubbles have a high surface area to volume ratio, allowing for a <strong>greater amount of gas to be in contact with water<\/strong>. This, combined with their ability to remain suspended in water due to their small size and high buoyancy, results in <strong>increased gas transfer efficiency<\/strong> between the gas and water phases.<\/li>\n<li><strong>Brownian Motion:<\/strong> Nanobubbles <strong>stay in the water for a long time<\/strong>. This unique feature <strong>enables nanobubbles<\/strong> to provide a <strong>homogenous distribution of oxygen throughout<\/strong> an <strong>entire body of water<\/strong> and dissolved oxygen levels are maintained for a very long time.<\/li>\n<li><strong>High Oxygen Transfer Efficiency:<\/strong> Nanobubble can efficiently deliver oxygen into water <strong>due to the very large surface area and their Brownian motion<\/strong>. Oxygen transfer <strong>efficiency<\/strong> with nanobubble is reached to <strong>around 90%.<\/strong><\/li>\n<li><strong>Surface charge<\/strong>: Nanobubble has a <strong>strong surface charge<\/strong>. This <strong>negative charge improves separation efficiency in the floating process<\/strong>. This feature floats more suspended matter than through conventional methods in the wastewater, oil, and gas operators.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Benefits<\/strong>: Due to the various inherent physical properties of nanobubbles, the ability to transfer gas to liquid is very high, and thus has the following advantages.\n<ul>\n<li><strong>Improved Water Treatment:<\/strong> Nanobubbles can <strong>effectively remove organic pollutants, bacteria,<\/strong> and other contaminants from water.<\/li>\n<li><strong>More Efficient Cleaning:<\/strong> Nanobubbles can <strong>penetrate surface pores and crevices<\/strong>, providing a more <strong>thorough cleaning<\/strong> that is effective against stubborn dirt and grime.\u00a0<\/li>\n<li><strong>Enhanced Agriculture and Aquaculture<\/strong>: <strong>Supplying oxygen nanobubbles to plants<\/strong> and aquatic organisms can improve their growth, health, and resilience. Nanobubbles can also <strong>enhance nutrient absorption<\/strong>, reduce the need for pesticides and other chemicals, and improve crop yields.<\/li>\n<li><strong>Enhanced Oil and Gas Recovery:<\/strong> Nanobubbles can increase the efficiency of oil and gas recovery <strong>by improving the flow of fluids<\/strong> and reducing the amount of chemicals needed in the process.<\/li>\n<li><strong>Improved Skin and Hair Health<\/strong>: Nanobubbles can help <strong>enhance the absorption of skincare products,<\/strong> leading to healthier skin.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Q1<\/strong>: What is Brownian Motion?<\/h3>\n<p>Brownian motion is the random motion of particles suspended in a fluid (a liquid or a gas) resulting from their collision with the fast-moving atoms or molecules in the gas or liquid. It was first observed by the Scottish botanist Robert Brown (1773-1858); this 1827 serendipitous discovery has sparked a plethora of important developments in many branches of science, fluids included.<\/p>\n<p><strong>News<\/strong>: <a href=\"https:\/\/pib.gov.in\/PressReleaseIframePage.aspx?PRID=2080223\" target=\"_blank\" rel=\"nofollow noopener\">Union Minister Sh. Kirti Vardhan Singh Launches &#8216;Nano Bubble Technology&#8217; for cleaning and purifying water in National Zoological Park, Delhi to promote the health of aquatic animals<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nanobubbles are 70-120 nanometers in size, 2500 times smaller than a single grain of salt.<\/p>\n","protected":false},"author":5,"featured_media":28474,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-28473","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/28473","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=28473"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/28473\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/28474"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=28473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=28473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=28473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}