{"id":468,"date":"2014-01-31T21:34:06","date_gmt":"2014-02-01T02:34:06","guid":{"rendered":"http:\/\/devolve.net\/blog\/?p=468"},"modified":"2014-10-23T13:40:07","modified_gmt":"2014-10-23T17:40:07","slug":"new-green-method-of-making-concrete","status":"publish","type":"post","link":"https:\/\/www.devolve.local\/new-green-method-of-making-concrete\/","title":{"rendered":"New green method of making concrete"},"content":{"rendered":"<p><a href=\"http:\/\/www.smartplanet.com\/blog\/bulletin\/for-a-better-concrete-mix-sand-with-bacteria-and-urea\/\" title=\"a better concrete mix\">This post<\/a> on a product designer&#8217;s foray into making a much more Earth-friendly concrete gives me hope for humanity. It&#8217;s estimated that about 5% of greenhouse gasses are released due to the existing process of making the cement in traditional concrete. The new process, dubbed &#8220;Dupe,&#8221; uses approximately none (although I&#8217;m sure a fair amount does go into the mass production of urea, which is a major component of fertilizer). <\/p>\n<blockquote><p>Turns out, all you need is some sand, bacteria, calcium chloride and a decent amount of urea.<\/p><\/blockquote>\n<p>The reason I think Dupe is so much better is because it only requires &#8220;biological temperatures&#8221; (I suppose that means 80-100\u00b0F), as opposed to the thousands of degrees needed to make calcium carbonate and clays react to form cement. The only real downside I see at this point is that structurally, Dupe concrete is only about 2\/3 as strong as traditional concrete. But come on, I know some smart materials science people must want to get in on this and try to make it even better.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This post on a product designer&#8217;s foray into making a much more Earth-friendly concrete gives me hope for humanity. It&#8217;s estimated that about 5% of greenhouse gasses are released due to the existing process of making the cement in traditional concrete. The new process, dubbed &#8220;Dupe,&#8221; uses approximately none (although I&#8217;m sure a fair amount [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/www.devolve.local\/wp-json\/wp\/v2\/posts\/468"}],"collection":[{"href":"https:\/\/www.devolve.local\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devolve.local\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devolve.local\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devolve.local\/wp-json\/wp\/v2\/comments?post=468"}],"version-history":[{"count":1,"href":"https:\/\/www.devolve.local\/wp-json\/wp\/v2\/posts\/468\/revisions"}],"predecessor-version":[{"id":469,"href":"https:\/\/www.devolve.local\/wp-json\/wp\/v2\/posts\/468\/revisions\/469"}],"wp:attachment":[{"href":"https:\/\/www.devolve.local\/wp-json\/wp\/v2\/media?parent=468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devolve.local\/wp-json\/wp\/v2\/categories?post=468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devolve.local\/wp-json\/wp\/v2\/tags?post=468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}