{"id":7223,"date":"2021-03-17T15:33:36","date_gmt":"2021-03-17T14:33:36","guid":{"rendered":"https:\/\/dev.asleman.org\/?post_type=60_secondes&amp;p=7223"},"modified":"2021-03-17T15:33:36","modified_gmt":"2021-03-17T14:33:36","slug":"n76-mais-ou-va-cette-eau","status":"publish","type":"60_secondes","link":"https:\/\/asleman.org\/en\/60_secondes\/n76-mais-ou-va-cette-eau\/","title":{"rendered":"N\u00b076 : But... Where does this water go?"},"content":{"rendered":"<p>After eating, I go to wash my dishes: I take my sponge, a bit of soap, scrub and hop, rinse with water: everything disappears down the drain. \ud835\udde0\ud835\uddee\ud835\uddf6\ud835\ude00...\ud835\uddfc\ud835\ude02\u0300 \ud835\ude03\ud835\uddee \ud835\uddf0\ud835\uddf2\ud835\ude01\ud835\ude01\ud835\uddf2 \ud835\uddf2\ud835\uddee\ud835\ude02? <\/p>\n\n\n\n<p>The wastewater passes through pipes and is conveyed to \ud835\ude00\ud835\ude01\ud835\uddee\ud835\ude01\ud835\uddf6\ud835\uddfc\ud835\uddfb\ud835\ude00 \ud835\uddf1'\ud835\uddf2\u0301\ud835\uddfd\ud835\ude02\ud835\uddff\ud835\uddee\ud835\ude01\ud835\uddf6\ud835\uddfc\ud835\uddfb\ud835\ude00 (\ud835\udde6\ud835\udde7\ud835\uddd8\ud835\udde3) where it is cleaned by various processes.<\/p>\n\n\n\n<p><img decoding=\"async\" height=\"16\" width=\"16\" alt=\"1\ufe0f\u20e3\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t38\/3\/16\/31_20e3.png\"> Screening: \ud835\uddf9\ud835\uddf2\ud835\ude00 \ud835\uddf2\ud835\uddee\ud835\ude02\ud835\ude05 \ud835\ude02\ud835\ude00\ud835\uddf2\u0301\ud835\uddf2\ud835\ude00 \ud835\uddfd\ud835\uddee\ud835\ude00\ud835\ude00\ud835\uddf2\ud835\uddfb\ud835\ude01 \ud835\uddf1'\ud835\uddee\ud835\uddef\ud835\uddfc\ud835\uddff\ud835\uddf1 \ud835\uddee\u0300 \ud835\ude01\ud835\uddff\ud835\uddee\ud835\ude03\ud835\uddf2\ud835\uddff\ud835\ude00 \ud835\uddf1\ud835\uddf2\ud835\ude00 \ud835\uddf4\ud835\uddff\ud835\uddf6\ud835\uddf9\ud835\uddf9\ud835\uddf2\ud835\ude00 which hold back waste: food scraps and other large items are held back. It also holds certain types of waste that don't belong in the drains, such as cigarette butts and Q-Tips...yuck! <\/p>\n\n\n\n<p><img decoding=\"async\" height=\"16\" width=\"16\" alt=\"2\ufe0f\u20e3\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t57\/3\/16\/32_20e3.png\"> Then: off to the bath! \ud835\udddf'\ud835\uddf2\ud835\uddee\ud835\ude02 \ud835\uddfd\ud835\uddee\ud835\ude00\ud835\ude00\ud835\uddf2 \ud835\uddf1\ud835\uddee\ud835\uddfb\ud835\ude00 \ud835\ude02\ud835\uddfb \ud835\uddf4\ud835\uddff\ud835\uddee\ud835\uddfb\ud835\uddf1 \ud835\uddef\ud835\uddee\ud835\ude00\ud835\ude00\ud835\uddf6\ud835\uddfb where the suspended sand settles and is then recovered. It will be deposited in a landfill, as metal and plastic dust prevent it from being used. At the same time, the oil and fats floating on the surface of this basin are extracted from the water. <\/p>\n\n\n\n<p><img decoding=\"async\" height=\"16\" width=\"16\" alt=\"3\ufe0f\u20e3\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t76\/3\/16\/33_20e3.png\"> After this first bath, it's time for decanting: \ud835\uddf9\ud835\uddf2\ud835\ude00 \ud835\uddf2\ud835\uddee\ud835\ude02\ud835\ude05 \ud835\ude02\ud835\ude00\ud835\uddf2\u0301\ud835\uddf2\ud835\ude00 \ud835\uddee\ud835\uddff\ud835\uddff\ud835\uddf6\ud835\ude03\ud835\uddf2\ud835\uddfb\ud835\ude01 \ud835\uddf1\ud835\uddee\ud835\uddfb\ud835\ude00 \ud835\ude02\ud835\uddfb\ud835\uddf2 \ud835\ude00\ud835\ude02\ud835\uddf0\ud835\uddf0\ud835\uddf2\ud835\ude00\ud835\ude00\ud835\uddf6\ud835\uddfc\ud835\uddfb \ud835\uddf1\ud835\uddf2 \ud835\uddef\ud835\uddee\ud835\ude00\ud835\ude00\ud835\uddf6\ud835\uddfb\ud835\ude00 \ud835\uddee\ud835\uddf3\ud835\uddf6\ud835\uddfb \ud835\uddf1'\ud835\uddf2\u0301\ud835\ude03\ud835\uddee\ud835\uddf0\ud835\ude02\ud835\uddf2\ud835\uddff \ud835\uddf9\ud835\uddf2\ud835\ude00 \ud835\uddfd\ud835\uddee\ud835\uddff\ud835\ude01\ud835\uddf6\ud835\uddf0\ud835\ude02\ud835\uddf9\ud835\uddf2\ud835\ude00 \ud835\uddf2\ud835\uddfb \ud835\ude00\ud835\ude02\ud835\ude00\ud835\uddfd\ud835\uddf2\ud835\uddfb\ud835\ude00\ud835\uddf6\ud835\uddfc\ud835\uddfb, in the form of sludge. This sludge is made up of inorganic matter, which is dried and burnt, and biodegradable matter, which is digested by bacteria: goodbye food scraps! By the way, this digestion creates biogas, which is used to produce energy! <\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"16\" width=\"16\" alt=\"4\ufe0f\u20e3\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t95\/3\/16\/34_20e3.png\"> What about POLLUTING substances? \ud835\udde2\ud835\uddfb \ud835\uddee\ud835\uddf7\ud835\uddfc\ud835\ude02\ud835\ude01\ud835\uddf2 \ud835\uddf1\ud835\ude02 \ud835\uddf0\ud835\uddf5\ud835\uddf9\ud835\uddfc\ud835\uddff\ud835\ude02\ud835\uddff\ud835\uddf2 \ud835\uddf1\ud835\uddf2 \ud835\uddf3\ud835\uddf2\ud835\uddff \ud835\uddfe\ud835\ude02\ud835\uddf6 \ud835\ude00\ud835\uddf2 \ud835\uddf0\ud835\uddfc\ud835\uddf9\ud835\uddf9\ud835\uddf2 \ud835\uddee\ud835\ude02 \ud835\uddfd\ud835\uddf5\ud835\uddfc\ud835\ude00\ud835\uddfd\ud835\uddf5\ud835\uddee\ud835\ude01\ud835\uddf2 \ud835\uddf2\ud835\ude01 \ud835\uddf9\ud835\uddf2 \ud835\uddf3\ud835\uddee\ud835\uddf6\ud835\ude01 \ud835\uddf0\ud835\uddfc\ud835\ude02\ud835\uddf9\ud835\uddf2\ud835\uddff \ud835\uddee\ud835\ude02 \ud835\uddf3\ud835\uddfc\ud835\uddfb\ud835\uddf1 \ud835\uddf1\ud835\ude02 \ud835\uddef\ud835\uddee\ud835\ude00\ud835\ude00\ud835\uddf6\ud835\uddfb \ud835\uddf1\ud835\uddf2 \ud835\uddf1\ud835\uddf2\u0301\ud835\uddf0\ud835\uddee\ud835\uddfb\ud835\ude01\ud835\uddee\ud835\ude01\ud835\uddf6\ud835\uddfc\ud835\uddfb, preventing it from reaching the water : This harmful substance was responsible for the eutrophication of the lake, against which the ASL has been fighting since its creation in 1980. And then, before being released, the water goes through another filter, because it still contains chemical and synthetic micro-pollutants that have not been digested by the micro-organisms. This process allows some of them to be retained.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/dev.asleman.org\/wp-content\/uploads\/2021\/03\/76_2-1024x538.jpg\" alt=\"\" class=\"wp-image-7226\" srcset=\"https:\/\/asleman.org\/wp-content\/uploads\/2021\/03\/76_2-1024x538.jpg 1024w, https:\/\/asleman.org\/wp-content\/uploads\/2021\/03\/76_2-300x158.jpg 300w, https:\/\/asleman.org\/wp-content\/uploads\/2021\/03\/76_2-768x404.jpg 768w, https:\/\/asleman.org\/wp-content\/uploads\/2021\/03\/76_2-1536x807.jpg 1536w, https:\/\/asleman.org\/wp-content\/uploads\/2021\/03\/76_2.jpg 1827w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\ud835\udde0\ud835\uddee\ud835\uddf6\ud835\ude00 \ud835\uddee\ud835\uddf9\ud835\uddfc\ud835\uddff\ud835\ude00, \ud835\uddfd\ud835\uddfc\ud835\ude02\ud835\uddff\ud835\uddfe\ud835\ude02\ud835\uddfc\ud835\uddf6 \ud835\uddfc\ud835\uddfb \ud835\uddfb\ud835\uddfc\ud835\ude02\ud835\ude00 \ud835\uddf1\ud835\uddf6\ud835\ude01 \ud835\uddf1\ud835\uddf2 \ud835\uddfb\ud835\uddf2 \ud835\uddfd\ud835\uddee\ud835\ude00 \ud835\uddfd\ud835\uddfc\ud835\uddf9\ud835\uddf9\ud835\ude02\ud835\uddf2\ud835\uddff \ud835\uddf9\ud835\uddf2\ud835\ude00 \ud835\uddf2\ud835\uddee\ud835\ude02\ud835\ude05, \ud835\ude00\ud835\uddf6 \ud835\uddf2\ud835\uddf9\ud835\uddf9\ud835\uddf2\ud835\ude00 \ud835\ude00\ud835\uddfc\ud835\uddfb\ud835\ude01 \ud835\uddfb\ud835\uddf2\ud835\ude01\ud835\ude01\ud835\uddfc\ud835\ude06\ud835\uddf2\u0301\ud835\uddf2\ud835\ude00? Because, despite the work done by the WWTPs, the cleaned water is not as pure as that in rivers or lakes: \ud835\uddf6\ud835\uddf9 \ud835\ude06 \ud835\uddee \ud835\ude01\ud835\uddf2\ud835\uddf9\ud835\uddf9\ud835\uddf2\ud835\uddfa\ud835\uddf2\ud835\uddfb\ud835\ude01 \ud835\uddf1\ud835\uddf2 \ud835\ude00\ud835\ude02\ud835\uddef\ud835\ude00\ud835\ude01\ud835\uddee\ud835\uddfb\ud835\uddf0\ud835\uddf2\ud835\ude00 \ud835\uddee\u0300 \ud835\ude01\ud835\uddff\ud835\uddf6\ud835\uddf2\ud835\uddff, \ud835\uddfe\ud835\ude02'\ud835\ude02\ud835\uddfb\ud835\uddf2 \ud835\uddfd\ud835\uddee\ud835\uddff\ud835\ude01\ud835\uddf6\ud835\uddf2 \ud835\uddfb'\ud835\uddf2\ud835\ude00\ud835\ude01 \ud835\uddfd\ud835\uddee\ud835\ude00 \ud835\uddff\ud835\uddf2\ud835\ude01\ud835\uddf2\ud835\uddfb\ud835\ude02\ud835\uddf2 \ud835\uddfd\ud835\uddee\ud835\uddff \ud835\ude01\ud835\uddfc\ud835\ude02\ud835\ude00 \ud835\uddf0\ud835\uddf2\ud835\ude00 \ud835\uddf1\ud835\uddf6\ud835\uddf3\ud835\uddf3\ud835\uddf2\u0301\ud835\uddff\ud835\uddf2\ud835\uddfb\ud835\ude01\ud835\ude00 \ud835\uddf3\ud835\uddf6\ud835\uddf9\ud835\ude01\ud835\uddff\ud835\uddf2\ud835\ude00. This is the case for micropollutants, such as chemical substances (medicines, cosmetics, insecticides) or certain microplastics: these substances are dangerous for aquatic organisms and are a threat to drinking water resources. <\/p>\n\n\n\n<p>That's why WWTPs are constantly being improved, particularly when it comes to treating micropollutants. <\/p>\n\n\n\n<p>\ud835\udddf'\ud835\ude02\ud835\ude01\ud835\uddf6\ud835\uddf9\ud835\uddf6\ud835\ude00\ud835\uddee\ud835\ude01\ud835\uddf6\ud835\uddfc\ud835\uddfb \ud835\uddee\u0300 \ud835\uddf9\ud835\uddee \ud835\uddfa\ud835\uddee\ud835\uddf6\ud835\ude00\ud835\uddfc\ud835\uddfb \ud835\uddf1\ud835\uddf2 \ud835\uddfd\ud835\uddff\ud835\uddfc\ud835\uddf1\ud835\ude02\ud835\uddf6\ud835\ude01\ud835\ude00 \ud835\uddfb\ud835\uddee\ud835\ude01\ud835\ude02\ud835\uddff\ud835\uddf2\ud835\uddf9\ud835\ude00 \ud835\uddef\ud835\uddf6\ud835\uddfc\ud835\uddf1\ud835\uddf2\u0301\ud835\uddf4\ud835\uddff\ud835\uddee\ud835\uddf1\ud835\uddee\ud835\uddef\ud835\uddf9\ud835\uddf2\ud835\ude00 \ud835\uddfd\ud835\uddf2\ud835\uddff\ud835\uddfa\ud835\uddf2\ud835\ude01 \ud835\ude00\ud835\uddfc\ud835\ude02\ud835\uddf9\ud835\uddee\ud835\uddf4\ud835\uddf2\ud835\uddff \ud835\uddf9\ud835\uddf2\ud835\ude00 \ud835\udde6\ud835\udde7\ud835\uddd8\ud835\udde3. That's also why i\ud835\uddf9 \ud835\uddf3\ud835\uddee\ud835\ude02\ud835\ude01 \ud835\uddee\u0300 \ud835\ude01\ud835\uddfc\ud835\ude02\ud835\ude01 \ud835\uddfd\ud835\uddff\ud835\uddf6\ud835\ude05 \ud835\uddf2\u0301\ud835\ude03\ud835\uddf6\ud835\ude01\ud835\uddf2\ud835\uddff \ud835\uddf1\ud835\uddf2 \ud835\uddf7\ud835\uddf2\ud835\ude01\ud835\uddf2\ud835\uddff \ud835\uddf1\ud835\uddf2\ud835\ude00 \ud835\uddf1\ud835\uddf2\u0301\ud835\uddf0\ud835\uddf5\ud835\uddf2\ud835\ude01\ud835\ude00 \ud835\uddfc\ud835\ude02 \ud835\uddf1\ud835\uddf2\ud835\ude00 \ud835\uddfd\ud835\uddff\ud835\uddfc\ud835\uddf1\ud835\ude02\ud835\uddf6\ud835\ude01\ud835\ude00 \ud835\uddf0\ud835\uddf5\ud835\uddf6\ud835\uddfa\ud835\uddf6\ud835\uddfe\ud835\ude02\ud835\uddf2\ud835\ude00 \ud835\uddf1\ud835\uddee\ud835\uddfb\ud835\ude00 \ud835\uddf9\ud835\uddf2\ud835\ude00 \ud835\uddf0\ud835\uddee\ud835\uddfb\ud835\uddee\ud835\uddf9\ud835\uddf6\ud835\ude00\ud835\uddee\ud835\ude01\ud835\uddf6\ud835\uddfc\ud835\uddfb\ud835\ude00.<\/p>\n\n\n\n<p>Sewers aren't magic, and everything we pour into them has to be treated as well as possible. WWTPs do an enormous amount of work, but they are not infallible. <\/p>\n\n\n\n<p>Information taken from the <a href=\"https:\/\/www.cipel.org\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">CIPE<\/a>L and on <a href=\"https:\/\/www.energie-environnement.ch\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Energy-Environment<\/a><\/p>\n\n\n\n<p>Photo Credit : <a href=\"https:\/\/asleman.org\/en\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">ASL<\/a> and  <a href=\"https:\/\/www.energie-environnement.ch\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Energy-Environment<\/a><\/p>","protected":false},"featured_media":7224,"template":"","mots-cles":[],"class_list":["post-7223","60_secondes","type-60_secondes","status-publish","has-post-thumbnail","hentry"],"acf":[],"ase":null,"_links":{"self":[{"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/60_secondes\/7223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/60_secondes"}],"about":[{"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/types\/60_secondes"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/media\/7224"}],"wp:attachment":[{"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/media?parent=7223"}],"wp:term":[{"taxonomy":"mots-cles","embeddable":true,"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/mots-cles?post=7223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}