{"id":13390,"date":"2012-10-27t17:59:35","date_gmt":"2012-10-27t17:59:35","guid":{"rendered":"http:\/\/dpetrov.2create.studio\/planet\/wordpress\/hygro-responsive-membranes-for-effective-oil-water-separation\/"},"modified":"2012-10-27t17:59:35","modified_gmt":"2012-10-27t17:59:35","slug":"hygro-responsive-membranes-for-effective-oil-water-separation","status":"publish","type":"post","link":"\/\/www.getitdoneaz.com\/story\/hygro-responsive-membranes-for-effective-oil-water-separation\/","title":{"rendered":"hygro-responsive membranes for effective oil-water separation"},"content":{"rendered":"

there is a critical need for new energy-efficient solutions to separate oil-water mixtures, especially those stabilized by surfactants as both the production of oil and oil-transport engender a severe environmental risk in sensitive ecosystems. in many ways 2010 was a banner year highlighting this risk, as evidenced by the oil-spill disaster off the coast of louisiana, the chinese tanker that ruptured on the great barrier reef in the indian ocean and the deep horizon gulf rig that exploded and sank.<\/p>\n

mixtures of oil and water are classified based on the size of oil droplet (doil) \u2013 free oil if doil > 150 \u03bcm, dispersed oil if 20 \u03bcm < doil < 150 \u03bcm and emulsified oil if doil < 20 \u03bcm. we have developed a novel solution for the separation of free oil, dispersed oil, and oil-water emulsions based on the design of hygro-responsive (from the greek word \u2018hygra\u2019 meaning liquid) membranes. these membranes, counter-intuitively, are wet by water, but are still able to repel low surface tension oils like rapeseed oil or hexadecane. this makes these porous surfaces ideal for gravity-based separation of oil and water as they allow the higher density liquid (water) to flow through while preventing the flow of the lower density liquid (oil). as the separation is solely gravity driven, it is expected to be one of the most energy efficient technologies for oil-water separation. we have developed a setup based on these membranes that allows for the continuous separation of oil\u2013water emulsions for over 100 hours without a decrease in flux, using only gravity. the demonstrated separation methodology is expected to have numerous applications, including the clean-up of oil spills, wastewater treatment, fuel purification and the separation of numerous commercially relevant emulsions.<\/p>\n","protected":false},"excerpt":{"rendered":"

there is a critical need for new energy-efficient solutions to separate oil-water mixtures, especially those stabilized by surfactants as both the production of oil and oil-transport engender a severe environmental risk in sensitive ecosystems. in many ways 2010 was a banner year highlighting this risk, as evidenced by the oil-spill disaster off the coast of…<\/p>\n","protected":false},"author":9024,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4898],"tags":[2918,2090,1514,1087,2085,466],"storyfest_categories":[],"class_list":["post-13390","post","type-post","status-publish","format-standard","hentry","category-engineering","tag-deep-horizon","tag-gravity","tag-michigan","tag-oil","tag-university-of-michigan","tag-wastewater"],"acf":[],"yoast_head":"\nhygro-responsive membranes for effective oil-water separation - planet forward<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"\/\/www.getitdoneaz.com\/story\/hygro-responsive-membranes-for-effective-oil-water-separation\/\" \/>\n<meta property=\"og:locale\" content=\"en_us\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"hygro-responsive membranes for effective oil-water separation - planet forward\" \/>\n<meta property=\"og:description\" content=\"there is a critical need for new energy-efficient solutions to separate oil-water mixtures, especially those stabilized by surfactants as both the production of oil and oil-transport engender a severe environmental risk in sensitive ecosystems. in many ways 2010 was a banner year highlighting this risk, as evidenced by the oil-spill disaster off the coast of...\" \/>\n<meta property=\"og:url\" content=\"\/\/www.getitdoneaz.com\/story\/hygro-responsive-membranes-for-effective-oil-water-separation\/\" \/>\n<meta property=\"og:site_name\" content=\"planet forward\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/planetforward.org\" \/>\n<meta property=\"article:published_time\" content=\"2012-10-27t17:59:35+00:00\" \/>\n<meta name=\"author\" content=\"anish tuteja\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@planet_forward\" \/>\n<meta name=\"twitter:site\" content=\"@planet_forward\" \/>\n<meta name=\"twitter:label1\" content=\"written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"anish tuteja\" \/>\n\t<meta name=\"twitter:label2\" content=\"est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"article\",\"@id\":\"\/\/www.getitdoneaz.com\/story\/hygro-responsive-membranes-for-effective-oil-water-separation\/#article\",\"ispartof\":{\"@id\":\"\/\/www.getitdoneaz.com\/story\/hygro-responsive-membranes-for-effective-oil-water-separation\/\"},\"author\":{\"name\":\"anish tuteja\",\"@id\":\"\/\/www.getitdoneaz.com\/#\/schema\/person\/a1d643e05296154991631823e9c6b616\"},\"headline\":\"hygro-responsive membranes for effective oil-water separation\",\"datepublished\":\"2012-10-27t17:59:35+00:00\",\"datemodified\":\"2012-10-27t17:59:35+00:00\",\"mainentityofpage\":{\"@id\":\"\/\/www.getitdoneaz.com\/story\/hygro-responsive-membranes-for-effective-oil-water-separation\/\"},\"wordcount\":288,\"commentcount\":0,\"publisher\":{\"@id\":\"\/\/www.getitdoneaz.com\/#organization\"},\"keywords\":[\"deep horizon\",\"gravity\",\"michigan\",\"oil\",\"university of michigan\",\"wastewater\"],\"articlesection\":[\"engineering\"],\"inlanguage\":\"en-us\",\"potentialaction\":[{\"@type\":\"commentaction\",\"name\":\"comment\",\"target\":[\"\/\/www.getitdoneaz.com\/story\/hygro-responsive-membranes-for-effective-oil-water-separation\/#respond\"]}]},{\"@type\":\"webpage\",\"@id\":\"\/\/www.getitdoneaz.com\/story\/hygro-responsive-membranes-for-effective-oil-water-separation\/\",\"url\":\"\/\/www.getitdoneaz.com\/story\/hygro-responsive-membranes-for-effective-oil-water-separation\/\",\"name\":\"hygro-responsive membranes for effective oil-water separation - 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