{"id":108611,"date":"2026-02-01T11:13:47","date_gmt":"2026-02-01T09:13:47","guid":{"rendered":"https:\/\/spanienaktuell.net\/wordpress\/?p=108611"},"modified":"2026-02-01T11:13:47","modified_gmt":"2026-02-01T09:13:47","slug":"mit-asphalt-aus-algen-halten-strasen-langer","status":"publish","type":"post","link":"https:\/\/spanienaktuell.net\/wordpress\/mit-asphalt-aus-algen-halten-strasen-langer\/","title":{"rendered":"Mit Asphalt aus Algen halten Stra\u00dfen l\u00e4nger"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-108612\" src=\"https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/mountain-fuji-near-fuji-five-lakes-fujikawaguchik-2026-01-05-06-35-12-utc-scaled.jpg\" alt=\"\" width=\"1440\" height=\"960\" srcset=\"https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/mountain-fuji-near-fuji-five-lakes-fujikawaguchik-2026-01-05-06-35-12-utc-scaled.jpg 1440w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/mountain-fuji-near-fuji-five-lakes-fujikawaguchik-2026-01-05-06-35-12-utc-300x200.jpg 300w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/mountain-fuji-near-fuji-five-lakes-fujikawaguchik-2026-01-05-06-35-12-utc-1024x683.jpg 1024w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/mountain-fuji-near-fuji-five-lakes-fujikawaguchik-2026-01-05-06-35-12-utc-768x512.jpg 768w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/mountain-fuji-near-fuji-five-lakes-fujikawaguchik-2026-01-05-06-35-12-utc-1536x1024.jpg 1536w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/mountain-fuji-near-fuji-five-lakes-fujikawaguchik-2026-01-05-06-35-12-utc-2048x1365.jpg 2048w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/mountain-fuji-near-fuji-five-lakes-fujikawaguchik-2026-01-05-06-35-12-utc-350x233.jpg 350w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/><\/p>\n<h3 style=\"text-align: center;\"><em>Forscher der Arizona State University verzichten auf \u00f6lbasiertes Bitumen und schonen Umwelt<\/em><\/h3>\n<p>Statt aus Erd\u00f6l verwendet ein Team um Elham Fini von der <a href=\"https:\/\/www.asu.edu\/\"><span style=\"color: #0000ff;\">Arizona State University<\/span><\/a> f\u00fcr das Bitumenin der Zukunft ein Bindemittel aus Algen. Die neue L\u00f6sung soll umweltvertr\u00e4glich, klimaneutral und sogar widerstandsf\u00e4hig gegen\u00fcber K\u00e4lte und damit verbundener Rissbildung sein.<\/p>\n<p><strong>S\u00fc\u00dfwasseralge sehr n\u00fctzlich<\/strong><\/p>\n<figure id=\"attachment_108613\" aria-describedby=\"caption-attachment-108613\" style=\"width: 1440px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-108613\" src=\"https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/AdobeStock_550228144-scaled.jpeg\" alt=\"\" width=\"1440\" height=\"1079\" srcset=\"https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/AdobeStock_550228144-scaled.jpeg 1440w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/AdobeStock_550228144-300x225.jpeg 300w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/AdobeStock_550228144-1024x767.jpeg 1024w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/AdobeStock_550228144-768x575.jpeg 768w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/AdobeStock_550228144-1536x1151.jpeg 1536w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/AdobeStock_550228144-2048x1535.jpeg 2048w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/AdobeStock_550228144-350x262.jpeg 350w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/><figcaption id=\"caption-attachment-108613\" class=\"wp-caption-text\">Foto \u2013 Blutregenalge Zystenalgen unter dem Mikroskop &#8211; \u00a9 2026 Adobe<\/figcaption><\/figure>\n<p>Das Team hatte bereits fr\u00fcher erkannt, dass \u00d6l aus Algen den Asphalt, also die oberste Schicht von Stra\u00dfen, haltbarer macht. Jetzt wollten die Forscher es genauer wissen. Sie pr\u00fcften Bindemittel, die sie aus dem \u00d6l von vier verschiedenen Algenarten herstellten. Das \u00d6l aus der Blutregenalge (Haematococcus pluvialis), das ist eine einzellige S\u00fc\u00dfwasseralge, die maximal 0,05 Millimeter gro\u00df wird, erwies sich f\u00fcr diesen Zweck am geeignetsten.<\/p>\n<p>Aus der Alge hergestellte Bindemittel zeigt die gr\u00f6\u00dfte Widerstandsf\u00e4higkeit gegen dauerhafte Verformung unter simulierten verkehrsbedingten Belastungen und ist au\u00dferdem am widerstandsf\u00e4higsten gegen feuchtigkeitsbedingte Sch\u00e4den, hei\u00dft es. Besonders attraktiv soll die Verformungsfestigkeit des neuen Bindemittels bei Frost sein. Nach einer Verformung beispielsweise durch die Reifen eines schweren Lkw regeneriert sich der damit gebundene Asphalt um 70 Prozent besser als der auf der Basis des herk\u00f6mmlichen Bitumens.<\/p>\n<p><strong>L\u00e4ngere Dauer, weniger Wartung<\/strong><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-108614\" src=\"https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/ENVATO-ELEMNTS-the-yellow-cabriolet-driving-on-the-coastal-highwa-2026-01-06-09-28-03-utc-scaled.jpg\" alt=\"\" width=\"1440\" height=\"1079\" srcset=\"https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/ENVATO-ELEMNTS-the-yellow-cabriolet-driving-on-the-coastal-highwa-2026-01-06-09-28-03-utc-scaled.jpg 1440w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/ENVATO-ELEMNTS-the-yellow-cabriolet-driving-on-the-coastal-highwa-2026-01-06-09-28-03-utc-300x225.jpg 300w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/ENVATO-ELEMNTS-the-yellow-cabriolet-driving-on-the-coastal-highwa-2026-01-06-09-28-03-utc-1024x768.jpg 1024w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/ENVATO-ELEMNTS-the-yellow-cabriolet-driving-on-the-coastal-highwa-2026-01-06-09-28-03-utc-768x576.jpg 768w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/ENVATO-ELEMNTS-the-yellow-cabriolet-driving-on-the-coastal-highwa-2026-01-06-09-28-03-utc-1536x1151.jpg 1536w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/ENVATO-ELEMNTS-the-yellow-cabriolet-driving-on-the-coastal-highwa-2026-01-06-09-28-03-utc-2048x1535.jpg 2048w, https:\/\/spanienaktuell.net\/wordpress\/wp-content\/uploads\/2026\/02\/ENVATO-ELEMNTS-the-yellow-cabriolet-driving-on-the-coastal-highwa-2026-01-06-09-28-03-utc-350x262.jpg 350w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/><\/p>\n<p>Fini zufolge wird in der Praxis nur ein Teil des erd\u00f6lbasierten Bitumens durch ihr Algenprodukt ersetzt, da es deutlich teurer ist. Basierend auf Computermodellen sch\u00e4tzt sie, dass f\u00fcr jedes Prozent \u201eBiobindemittel\u00bb in einer Asphaltmischung die Netto-Kohlenstoffemissionen um 4,5 Prozent reduziert werden.<\/p>\n<p>\u201eAus Algen gewonnene <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.acs.org\/pressroom\/presspacs\/2025\/december\/strengthening-asphalt-roads-with-a-unique-green-ingredient-algae.html\">Verbindungen<\/a> <\/span>k\u00f6nnen die Feuchtigkeitsbest\u00e4ndigkeit, Flexibilit\u00e4t und Selbstheilungsf\u00e4higkeit von Asphalt verbessern, wodurch sich m\u00f6glicherweise die Lebensdauer von Stra\u00dfenbel\u00e4gen verl\u00e4ngert und die Wartungskosten sinken. Langfristig k\u00f6nnte Algenasphalt dazu beitragen, nachhaltigere, widerstandsf\u00e4higere und umweltfreundlichere Stra\u00dfen zu schaffen\u00bb, glaubt Fini. Details sind in \u00abACS Sustainable Chemistry &amp; Engineering\u00bb nachzulesen.<\/p>\n<p><em>Quelle: Tempe pte012<\/em> <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.asu.edu\/\">https:\/\/www.asu.edu\/<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Forscher der Arizona State University verzichten auf \u00f6lbasiertes Bitumen und schonen Umwelt Statt aus Erd\u00f6l verwendet ein Team um Elham [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":108612,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-108611","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recht-gesellschaft"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mit Asphalt aus Algen halten 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