{"id":573,"date":"2023-03-17T00:00:00","date_gmt":"2023-03-17T00:00:00","guid":{"rendered":"https:\/\/www.nextias.com\/current_affairs\/uncategorized\/17-03-2023\/low-temperature-thermal-desalination-lttd\/"},"modified":"2023-03-17T00:00:00","modified_gmt":"2023-03-17T00:00:00","slug":"low-temperature-thermal-desalination-lttd","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/17-03-2023\/low-temperature-thermal-desalination-lttd","title":{"rendered":"Low-Temperature Thermal Desalination (LTTD)"},"content":{"rendered":"<p style=\"text-align:justify\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong><u>In News<\/u><\/strong><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong>National Institute of Ocean Technology (NIOT)<\/strong><\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"> is working at making the <\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong>Low-Temperature Thermal Desalination technology<\/strong><\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"> process free of emissions.<\/span><\/span><\/span><\/li>\n<\/ul>\n<p style=\"text-align:justify\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong><u>About<\/u><\/strong><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">Desalination is a process that<\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong> takes away mineral components<\/strong><\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"> from saline water. It is\u00a0 used in places where <\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong>freshwater supplies are scarce and seawater is readily available.<\/strong><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">Desalination is<\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong> easily scalabl<\/strong><\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">e and can be used <\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong>irrespective of weather conditions.<\/strong><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">LTTD which stands for Low-Temperature Thermal Desalination <\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong>\u00a0exploits the difference in temperature (nearly 15\u00b0C) in the ocean water<\/strong><\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"> at the surface and at depths of about 600 feet<\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong>.<\/strong><\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">\u00a0<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">\u00a0This cold water is used to<\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong> condense water at the surface<\/strong><\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">The water at the surface\u00a0 <\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong>is warmer <\/strong><\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">and is maintained <\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong>at low pressure using vacuum pumps.<\/strong><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">water evaporates\u00a0 at ambient temperatures at such low pressures and this resulting vapour when condensed with the help of cold water from the depth is free of salts and contaminants and is fit to consume.<\/span><\/span><\/span><\/li>\n<\/ul>\n<p style=\"text-align:center\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/JQAUw3a1_3Dzj0ZiY9bqXz7gb5L05AjIMQRn68awVxdLrtcIdsEkz_pAFweFlKAvvEQNrTq_f_XqkB32YZCn7sawcXIeLzWoT5Drxky81XJmOcvASiNB2tHfkyTmbhmJNDjYCOfT3QVk3soJnSki22s\" style=\"height:348px; width:435px\" \/><\/span><\/span><\/span><\/p>\n<p>\u00a0<\/p>\n<div style=\"margin-left:20px\">\n<table cellspacing=\"0\" style=\"border-collapse:collapse; border:none; width:604px\">\n<tbody>\n<tr>\n<td style=\"background-color:#fff2cc; border-bottom:1px solid #000000; border-left:1px solid #000000; border-right:1px solid #000000; border-top:1px solid #000000; vertical-align:top; width:604px\">\n<p style=\"text-align:center\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong><u>National Institute of Ocean Technology (NIOT)<\/u><\/strong><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">The National Institute of Ocean Technology(NIOT) was established in 1993 as an autonomous society under the Ministry of Earth Sciences in India.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">NIOT aims to develop reliable indigenous technologies to solve various engineering problems associated with the harvesting of non-living and living resources in India&#8217;s exclusive economic zone, which is about two-thirds of the land area of India.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\">NIOT is the nodal institution for the Deep Ocean Mission, which encompasses all the areas of ocean technology like the development of manned submersible, offshore large-scale desalination, ocean thermal energy conversion, etc.<\/span><\/span><\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><strong>Source: <\/strong><\/span><\/span><\/span><a href=\"https:\/\/www.thehindu.com\/sci-tech\/energy-and-environment\/national-institute-of-ocean-technology-to-set-up-green-self-powered-desalination-plant-in-lakshadweep\/article66627730.ece\" style=\"text-decoration:none\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#1155cc\"><strong><u>TH<\/u><\/strong><\/span><\/span><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In News National Institute of Ocean Technology (NIOT) is working at making the Low-Temperature Thermal Desalination technology process free of emissions. About Desalination is a process that takes away mineral components from saline water. It is\u00a0 used in places where freshwater supplies are scarce and seawater is readily available. Desalination is easily scalable and can [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":574,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[54,26],"class_list":["post-573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs","tag-biodiversity-and-environment","tag-gs-3"],"acf":[],"jetpack_featured_media_url":"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2023\/07\/1080022Screenshot_6.png","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=573"}],"version-history":[{"count":0,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/573\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media\/574"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}