{"id":18574,"date":"2015-04-13T16:10:56","date_gmt":"2015-04-13T20:10:56","guid":{"rendered":"http:\/\/wordpress-367309-1145705.cloudwaysapps.com\/?p=18574"},"modified":"2015-04-13T16:10:56","modified_gmt":"2015-04-13T20:10:56","slug":"used-cds-a-weapon-against-climate-change","status":"publish","type":"post","link":"https:\/\/sustainablog.org\/articles\/used-cds-a-weapon-against-climate-change\/","title":{"rendered":"Used CDs: A Weapon Against Climate Change?"},"content":{"rendered":"<p><a href=\"https:\/\/sustainablog.org\/wp-content\/uploads\/2015\/04\/used-cds.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"828\" class=\"aligncenter size-full wp-image-18575\" src=\"https:\/\/sustainablog.org\/wp-content\/uploads\/2015\/04\/used-cds.jpg\" alt=\"used cds - a weapon against climate change?\" srcset=\"https:\/\/sustainablog.org\/wp-content\/uploads\/2015\/04\/used-cds.jpg 640w, https:\/\/sustainablog.org\/wp-content\/uploads\/2015\/04\/used-cds-232x300.jpg 232w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>Got a stack of <a href=\"https:\/\/sustainablog.org\/2012\/12\/holiday-craft-upcycled-cd-ornaments\/\">used CDs or DVDs<\/a> lying around, and not getting much use? While not all of us have gone completely over to downloading or streaming our music, movies, and television shows, many have.\u00a0And while many owners find buyers for their used media online, no doubt the demand for such physical products will continue to decline. I can&#8217;t find firm numbers, but I&#8217;m certain that millions of these discs end up in landfills every year.<\/p>\n<p>CDs and DVDs <a href=\"http:\/\/craftingagreenworld.com\/2014\/06\/26\/diy-crafts-25-ways-recycle-cds-dvds\/\">can be recycled<\/a>, but not as easily as many other materials &#8211; generally, you&#8217;d have to mail them to a recycler. Likely, that stems from low demand for these materials; a new use for them, though, could drive demand up. A new article in <a href=\"http:\/\/www.acs.org\/content\/acs\/en\/pressroom\/presspacs\/2015\/acs-presspac-april-8-2015\/how-unwanted-cds-and-dvds-could-help-cut-carbon-emissions.html\"><em>ACS Sustainable Chemistry and Engineering<\/em><\/a> points to one possibility: turning these plastic discs into activated carbon (aka activated charcoal). This material has <a href=\"http:\/\/en.wikipedia.org\/wiki\/Activated_carbon#Uses\">all sorts of identified\u00a0uses<\/a> in industrial and manufacturing, but lead researcher\u00a0Mietek Jaroniec and her colleagues believe that the kind of activate carbon created from used CDs and DVDs <a href=\"http:\/\/www.sciencedaily.com\/releases\/2015\/04\/150408113752.htm\">could work well for carbon capture<\/a>: &#8220;The researchers processed disc fragments into two kinds of activated carbon with high surface areas and large volumes of fine pore. These key characteristics allowed the materials to capture carbon dioxide. They also adsorbed hydrogen gas and benzene, a carcinogenic compound used in industrial processes.&#8221; The material could also serve to separate volatile organic compounds, and store hydrogen gas.<\/p>\n<p>I&#8217;m assuming that the activated carbon would serve as a component of some kind of industrial filtering mechanism, but I&#8217;m quickly getting out of my area of expertise. Know more about the functions such a material could perform? Share your thoughts with us in the comments.<\/p>\n<p>Photo credit: <a href=\"http:\/\/www.shutterstock.com\/pic-237131836\/stock-photo-big-pile-of-old-cd-boxes-used-and-dusty-narrow-depth-of-field.html?src=3OmxzARsd8nU7sGvE_Pkug-1-3\">Shutterstock<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Those used CDs &#038; DVDs you have laying around the house could be used to capture carbon dioxide, according to a new paper from the American Chemical Society.<\/p>\n","protected":false},"author":56,"featured_media":18575,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[8058,8057,2453,133,8059,39,8055,8056],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Using Used CDs &amp; DVDs To Capture Carbon Dioxide<\/title>\n<meta name=\"description\" content=\"Those used CDs &amp; DVDs you have laying around the 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