{"id":2558,"date":"2008-05-17T17:34:55","date_gmt":"2008-05-17T17:34:55","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/05\/17\/nos-camions-con\/"},"modified":"2012-07-12T10:39:39","modified_gmt":"2012-07-12T10:39:39","slug":"nos-camions-con","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/05\/17\/nos-camions-con\/","title":{"rendered":"Nos camions consomment 500 grammes d&rsquo;ur\u00e9e aux cent kilom\u00e8tres"},"content":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Un de mes amis, chauffeur routier, m&rsquo;a expliqu\u00e9 qu&rsquo;il avait sur son camion un deuxi\u00e8me r\u00e9servoir dans lequel il mettait un liquide appel\u00e9 &quot;Adblue&quot; et qu&rsquo;il consid\u00e9rait cela comme une contrainte et une d\u00e9pense suppl\u00e9mentaire pour une profession menac\u00e9e. J&rsquo;ai essay\u00e9 de comprendre les raisons de cet additif: elles sont \u00e9cologiques. <a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/scrureno2_41.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"212\" alt=\"Scrureno2_4\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/scrureno2_4.jpg\" width=\"315\"  \/><\/a>L&rsquo;Adblue est une solution aqueuse \u00e0 32% d&rsquo;ur\u00e9e qui est utilis\u00e9e sur les poids lourds \u00e9quip\u00e9s de R\u00e9duction Catalytique S\u00e9lective qui leur permet de satisfaire au <a href=\"http:\/\/europa.eu\/scadplus\/leg\/fr\/lvb\/l28186.htm\">normes Euro 5<\/a> en termes de rejets d&rsquo;oxydes d&rsquo;azote(&lt; 180 mg d&rsquo;oxydes d&rsquo;azote par km). Dans ce proc\u00e9d\u00e9, les gaz d&rsquo;\u00e9chappement sont tout d&rsquo;abord oxyd\u00e9s (FIG.) ce qui permet d&rsquo;\u00e9liminer le monoxyde de carbone et les hydrocarbures. Puis, apr\u00e8s une injection de solution d&rsquo;ur\u00e9e, transform\u00e9e par hydrolyse en ammoniac, les gaz subissent la r\u00e9action catalytique s\u00e9lective au cours de laquelle l&rsquo;ammoniac apport\u00e9 par l&rsquo;ur\u00e9e r\u00e9agit avec les oxydes d&rsquo;azote pour former de l&rsquo;azote gazeux. Enfin l&rsquo;ammonic r\u00e9siduel qui n&rsquo;a pas r\u00e9agi est oxyd\u00e9 catalytiquement en azote. <span><span lang=\"EN-GB\">&nbsp; <\/span><\/span><\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Cet ajout de solution d&rsquo;ur\u00e9e est \u00e9gale \u00e0 environ 5% de la consommation de gasole d&rsquo;un camion moderne, soit 1,5 litres tous les cent kilom\u00e8tres, ce qui correspond, compte tenu de la concentration, \u00e0 500 g d&rsquo;ur\u00e9e aux 100 km. Le march\u00e9 de cette solution est estim\u00e9 en Europe, \u00e0 quelques millions de tonnes par an \u00e0 l&rsquo;horizon 2012. Tout ceci n&rsquo;est pas gratuit, l&rsquo;ur\u00e9e NH2-CO-NH2 \u00e9tant produite par la r\u00e9action d&rsquo;ammoniac avec le CO2. Son premier usage est celui d&rsquo;engrais agricole.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Le bilan comme bien souvent dans les probl\u00e8mes de pollution, correspond \u00e0 moins d&rsquo;oxydes d&rsquo;azotes lib\u00e9r\u00e9s mais plus d&rsquo;\u00e9nergie d\u00e9pens\u00e9e. Esp\u00e9rons que le bilan soit globalement positif.<\/p>\n<p>Le 17 Mai 2008<\/p>\n<p>&#8211;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Un de mes amis, chauffeur routier, m&rsquo;a expliqu\u00e9 qu&rsquo;il avait sur son camion un deuxi\u00e8me r\u00e9servoir dans lequel il mettait un liquide appel\u00e9 &quot;Adblue&quot; et qu&rsquo;il consid\u00e9rait cela comme une contrainte et une d\u00e9pense suppl\u00e9mentaire pour une profession menac\u00e9e. J&rsquo;ai essay\u00e9 de comprendre les raisons de cet [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":8861,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[593],"tags":[],"class_list":["post-2558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pollution"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nos camions consomment 500 grammes d&#039;ur\u00e9e aux cent kilom\u00e8tres - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/05\/17\/nos-camions-con\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Nos camions consomment 500 grammes d&#039;ur\u00e9e aux cent kilom\u00e8tres - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Un de mes amis, chauffeur routier, m&rsquo;a expliqu\u00e9 qu&rsquo;il avait sur son camion un deuxi\u00e8me r\u00e9servoir dans lequel il mettait un liquide appel\u00e9 &quot;Adblue&quot; et qu&rsquo;il consid\u00e9rait cela comme une contrainte et une d\u00e9pense suppl\u00e9mentaire pour une profession menac\u00e9e. 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