{"id":604,"date":"2021-03-01T18:17:13","date_gmt":"2021-03-01T18:17:13","guid":{"rendered":"http:\/\/allu.nipro.pro-linuxpl.com\/?p=604"},"modified":"2021-03-01T18:17:15","modified_gmt":"2021-03-01T18:17:15","slug":"samarbete-for-atervinning-av-betong","status":"publish","type":"post","link":"https:\/\/allu.net\/sv\/samarbete-for-atervinning-av-betong\/","title":{"rendered":"Samarbete f\u00f6r \u00e5tervinning av betong"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Allu och Mapei har tagit fram en l\u00f6sning f\u00f6r att omvandla f\u00e4rsk returbetong till ett h\u00f6gkvalitativt \u00e5tervunnet granulat.<a href=\"https:\/\/f.nordiskemedier.dk\/2o59vj56xu08aeeb.jpg\">2Bilder<\/a>Granulat av betong som sedan kan anv\u00e4ndas som ballastmaterial i ny betong.<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Metoden \u00e4r h\u00f6gmobil och effektiv och den bed\u00f6ms ge vinster b\u00e5de f\u00f6r milj\u00f6n och betongproducenter eller \u00e5tervinnare.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Systemet heter Circulus och riktar sig till betongproducenter och betong\u00e5tervinningsf\u00f6retag som vill minska kostnaderna f\u00f6r hantering av betongavfall. F\u00f6rutom de positiva milj\u00f6effekterna, genom minskat behov nytt material, kan systemet generera betydande besparingar i produktionen genom kraftigt reducerade deponikostnader och minskade kostnader f\u00f6r ink\u00f6p av ballast till ny betong.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Systemet \u00e4r enkelt och kr\u00e4ver minimala investeringar: Konceptet best\u00e5r av Mapeis Re-con Zero-system och Allus system Transformer. Med Re-Con Zero omvandlas v\u00e5t betong till ett torrt betongmaterial. Transformer krossar sedan betongmaterialet till granulat i r\u00e4tt angiven fraktionsstorlek, som sedan \u00e5tervinns genom inblandning i ny betong. F\u00f6r betongtillverkare medf\u00f6r detta betydande besparingar genom att man kan \u00e5tervinna granulatet vid nytillverkning av betong. Mellan 5 och 30 % av ballasten f\u00e5r idag ers\u00e4ttas med \u00e5tervunnet material. Produkten fr\u00e5n Circulus-systemet uppfyller kraven enligt betongstandarden EN-206.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Systemet minskar ocks\u00e5 m\u00e4ngden avfallslam som bildas vid tv\u00e4tt av betongbilar. Avfallsslam \u00e4r en milj\u00f6utmaning eftersom det m\u00e5ste g\u00e5 till deponi och d\u00e4rmed en extra kostnad f\u00f6r betongproducenter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Den globala f\u00f6rbrukningen av betong \u00e4r 23 miljarder ton per \u00e5r. Milj\u00f6belastningen fr\u00e5n framf\u00f6r allt cementen i betongen \u00e4r tyv\u00e4rr stor. Man ber\u00e4knar att cirka fem procent av v\u00e4rldens koldioxidutsl\u00e4pp h\u00e4rr\u00f6r fr\u00e5n cement- och betongproduktion och d\u00e4rmed \u00e4r sektorn idag v\u00e4rldens tredje st\u00f6rsta utsl\u00e4ppsk\u00e4lla av koldioxid.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Globalt returneras mellan 2 och 5 procent av den betong som tillverkas oanv\u00e4nd. Detta p\u00e5 grund av kvalitetsproblem (betong \u00e4r en f\u00e4rskvara) eller \u00f6verbest\u00e4llning exempelvis vid en byggarbetsplats. Detta inneb\u00e4r att varje \u00e5r m\u00e5ste cirka 460 miljoner ton tas tillbaka av betongproducenter v\u00e4rlden \u00f6ver och hanteras p\u00e5 n\u00e5got s\u00e4tt. Den allra st\u00f6rsta delen hamnar p\u00e5 deponi. Hanteringen av returbetong leder ocks\u00e5 den till stora koldioxidutsl\u00e4pp p\u00e5 grund av krossning och transporter. 53 miljoner ton koldioxid sl\u00e4pps p\u00e5 grund av detta ut i on\u00f6dan.&nbsp;&nbsp;Circulussystemet g\u00f6r det m\u00f6jlig att spara upp till 96 % av dessa koldioxidutsl\u00e4pp. Returbetongen beh\u00f6ver inte deponeras utan kommer ist\u00e4llet till anv\u00e4ndning som ett \u00e5tervunnet ballastmaterial.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Allu och Mapei har tagit fram en l\u00f6sning f\u00f6r att omvandla f\u00e4rsk returbetong till ett h\u00f6gkvalitativt \u00e5tervunnet granulat.2BilderGranulat av betong som sedan kan anv\u00e4ndas som ballastmaterial i ny betong. Metoden \u00e4r h\u00f6gmobil och effektiv och den bed\u00f6ms ge vinster b\u00e5de f\u00f6r milj\u00f6n och betongproducenter eller \u00e5tervinnare. Systemet heter Circulus och riktar sig till betongproducenter och [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[121],"tags":[],"class_list":["post-604","post","type-post","status-publish","format-standard","hentry","category-nyheter-sv"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Samarbete f\u00f6r \u00e5tervinning av betong - ALLU Sverige<\/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:\/\/allu.net\/sv\/samarbete-for-atervinning-av-betong\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Samarbete f\u00f6r \u00e5tervinning av betong - ALLU Sverige\" \/>\n<meta property=\"og:description\" content=\"Allu och Mapei har tagit fram en l\u00f6sning f\u00f6r att omvandla f\u00e4rsk returbetong till ett h\u00f6gkvalitativt \u00e5tervunnet granulat.2BilderGranulat av betong som sedan kan anv\u00e4ndas som ballastmaterial i ny betong. 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