{"id":7766,"date":"2020-08-28T07:55:00","date_gmt":"2020-08-28T05:55:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=7766"},"modified":"2020-08-27T13:32:53","modified_gmt":"2020-08-27T11:32:53","slug":"eth-ausgruendung-bindet-co2-in-betonbruch","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/eth-ausgruendung-bindet-co2-in-betonbruch\/","title":{"rendered":"La spin-off de l&#39;ETH lie le CO2 dans le b\u00e9ton bris\u00e9"},"content":{"rendered":"<p class=\"bodytext\"> Si l&rsquo;industrie du b\u00e9ton \u00e9tait un pays, elle serait le troisi\u00e8me \u00e9metteur du monde. Il produit environ quatre fois plus de CO2 que l&rsquo;ensemble du trafic a\u00e9rien mondial. La start-up <a href=\"https:\/\/www.neustark.com\" target=\"_blank\" rel=\"noopener noreferrer\">Neustark<\/a> , spin-off de l&rsquo;Eidgen\u00f6ssische Technische Hochschule Z\u00fcrich ( <a href=\"http:\/\/www.ethz.ch\" target=\"_blank\" rel=\"noopener noreferrer\">ETH<\/a> ), s&rsquo;y oppose avec son concept: la min\u00e9ralisation du dioxyde de carbone de l&rsquo;air pour obtenir du calcaire.<\/p>\n<p class=\"bodytext\"> Neustark lie le CO2 dans les pores et \u00e0 la surface des granul\u00e9s de b\u00e9ton. Ce granulat am\u00e9lior\u00e9 peut ensuite \u00eatre m\u00e9lang\u00e9 dans du b\u00e9ton frais en remplacement du sable et du gravier. Gr\u00e2ce \u00e0 ces granul\u00e9s, moins de ciment est n\u00e9cessaire, tandis que les propri\u00e9t\u00e9s restent les m\u00eames. Cela ressort d&rsquo;une <a href=\"https:\/\/ethz.ch\/de\/news-und-veranstaltungen\/eth-news\/news\/2020\/08\/kohlendioxid-binden-mit-betonbruch.html\" target=\"_blank\" rel=\"noopener noreferrer\">communication<\/a> de l&rsquo;ETH.<\/p>\n<p class=\"bodytext\"> \u00abCe qui m&rsquo;a s\u00e9duit, c&rsquo;est que la solution ne serait pas disponible dans cinq ou dix ans, mais d\u00e9j\u00e0 maintenant\u00bb, d\u00e9clare l&rsquo;\u00e9conomiste d&rsquo;entreprise Valentin Gutknecht, responsable des aspects op\u00e9rationnels de l&rsquo;entreprise au sein de l&rsquo;\u00e9quipe de Neustark en constante croissance. Avec Johannes Tiefenthaler, il souhaite concr\u00e9tiser cette id\u00e9e d&rsquo;entreprise favorable au climat. Tiefenthaler <a href=\"https:\/\/mavt.ethz.ch\/de\/\" target=\"_blank\" rel=\"noopener noreferrer\">effectue<\/a> son doctorat au D\u00e9partement de g\u00e9nie m\u00e9canique et des proc\u00e9d\u00e9s ( <a href=\"https:\/\/mavt.ethz.ch\/de\/\" target=\"_blank\" rel=\"noopener noreferrer\">MAVT<\/a> ) sur la prochaine <a href=\"https:\/\/mavt.ethz.ch\/de\/\" target=\"_blank\" rel=\"noopener noreferrer\">g\u00e9n\u00e9ration de<\/a> technologie pour la min\u00e9ralisation du dioxyde de carbone.<\/p>\n<p class=\"bodytext\"> De nombreuses recherches sont en cours dans le secteur de la construction, mais l&rsquo;industrie n&rsquo;a jusqu&rsquo;\u00e0 pr\u00e9sent r\u00e9alis\u00e9 que de petites r\u00e9ductions d&rsquo;\u00e9missions, donc Tiefenthaler. L&rsquo;avantage du granul\u00e9 de b\u00e9ton est qu&rsquo;il est hautement r\u00e9actif et que le b\u00e9ton cass\u00e9 forme un compos\u00e9 chimique tr\u00e8s stable m\u00eame sans pr\u00e9traitement climatique dommageable au dioxyde de carbone.<\/p>\n<p class=\"bodytext\"> Votre usine pilote de recyclage du b\u00e9ton est financ\u00e9e par l&rsquo;Office f\u00e9d\u00e9ral de l&rsquo;environnement ( <a href=\"https:\/\/www.bafu.admin.ch\/bafu\/de\/home.html\" target=\"_blank\" rel=\"noopener noreferrer\">OFEV<\/a> ) et la Fondation <a href=\"https:\/\/www.klimastiftung.ch\/de\/\" target=\"_blank\" rel=\"noopener noreferrer\">suisse pour le climat<\/a> . Le projet vise d\u00e9sormais \u00e0 d\u00e9montrer la valeur ajout\u00e9e tout au long de la cha\u00eene de valeur. L&rsquo;objectif de Neustark: des \u00e9missions n\u00e9gatives pour lesquelles il n&rsquo;y a que \u00ab\u00a0tr\u00e8s peu d&rsquo;approches techniques\u00a0\u00bb. La start-up veut montrer \u00ab\u00a0que les \u00e9missions n\u00e9gatives peuvent non seulement entra\u00eener des co\u00fbts mais m\u00eame des avantages \u00e9conomiques\u00a0\u00bb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Z\u00fcrich &#8211; Die ETH-Ausgr\u00fcndung Neustark bindet Kohlendioxid aus der Luft in den Poren von Betongranulat. Es kann als Sand- und Kiesersatz in frischen Beton gemischt werden. Dadurch wird weniger Zement ben\u00f6tigt, was die CO2-Emissionen bei der Betonherstellung deutlich senkt. <\/p>\n","protected":false},"author":2,"featured_media":6333,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[8747,743],"tags":[2094,2994,1624,2995,872,2199,2996,2002,2997,880],"class_list":["post-7766","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energie","category-immonews-fr","tag-bafu-fr","tag-beton-fr","tag-co2-fr","tag-eth-fr","tag-immoinvest-fr","tag-klima-fr","tag-neustark-fr","tag-news-fr","tag-startup-fr","tag-zuerich-fr","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":[],"lead":"La spin-off de l&#39;ETH Neustark lie le dioxyde de carbone de l&#39;air dans les pores des granul\u00e9s de b\u00e9ton. Il peut \u00eatre m\u00e9lang\u00e9 dans du b\u00e9ton frais comme substitut du sable et du gravier. Cela signifie qu&#39;il faut moins de ciment, ce qui r\u00e9duit consid\u00e9rablement les \u00e9missions de CO2 dans la production de b\u00e9ton.","autor":"mm","ort":"Z\u00fcrich","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":null,"newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Z\u00fcrich \u2013 Die ETH-Ausgr\u00fcndung Neustark bindet Kohlendioxid aus der Luft in den Poren von Betongranulat. Es kann als Sand- und Kiesersatz in frischen Beton gemischt werden. Dadurch wird weniger Zement ben\u00f6tigt, was die CO2-Emissionen bei der Betonherstellung deutlich senkt.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"immovestuser\"\/>\n\t<meta name=\"google-site-verification\" content=\"fHJKvgWpZCR2zVBHWfkQeFXC11qieUSff0HGNYfuyLA\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.immo-invest.ch\/fr\/eth-ausgruendung-bindet-co2-in-betonbruch\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien - Die\u00a0Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"La spin-off de l&#039;ETH lie le CO2 dans le b\u00e9ton bris\u00e9 - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:description\" content=\"Z\u00fcrich \u2013 Die ETH-Ausgr\u00fcndung Neustark bindet Kohlendioxid aus der Luft in den Poren von Betongranulat. 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