{"id":94044,"date":"2023-12-29T07:48:46","date_gmt":"2023-12-29T05:48:46","guid":{"rendered":"https:\/\/www.csregypt.com\/?p=94044"},"modified":"2023-12-29T07:48:46","modified_gmt":"2023-12-29T05:48:46","slug":"researchers-develop-method-for-using-plastic-waste-in-safe-chemical-processes","status":"publish","type":"post","link":"https:\/\/csregypt.com\/en\/researchers-develop-method-for-using-plastic-waste-in-safe-chemical-processes\/","title":{"rendered":"Researchers develop method for using plastic waste in safe chemical processes"},"content":{"rendered":"<p dir=\"ltr\" style=\"text-align: left;\">Researchers have developed a method for using <a href=\"https:\/\/www.csregypt.com\/en\/report10-rise-in-reusable-packaging-could-eliminate-over-1-trln-single-use-plastic-bottles-cups\/\">single-use plastic<\/a> &#8211; which is a major environmental concern &#8211; to carry out safe and highly efficient chemical reactions.<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">A team led by researchers at the Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), <a href=\"https:\/\/www.global.hokudai.ac.jp\/\">Hokkaido University<\/a> has developed a method that uses common plastic materials instead of potentially explosive compounds to initiate radical chain reactions. This approach significantly increases the safety of the process while also providing a way to reuse common plastics such as polyethylene and polyvinyl acetate.<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">\u201cOur new approach using stable, cheap and abundant plastic materials as initiators for radical chain reactions holds the significant potential to foster the development of industrially attractive, safe and highly efficient chemical processes,\u201d commented Professor Hajime Ito.<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">Researchers utilized a ball mill, a machine that rapidly shakes a steel ball inside a steel jar to mix solid chemicals. When the ball slams into the plastic, the mechanical force breaks a chemical bond to form radicals, which have a highly reactive, unbonded electron. These radicals facilitated a self-sustaining chain reaction that promotes dehalogenation\u2014 i.e. the replacement of a halogen atom with a hydrogen atom\u2014of organic halides.<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">\u201cThe use of commodity plastics as chemical reagents is a completely new perspective on organic synthesis,\u201d said Associate Professor Koji Kubota. \u201cI believe that this approach will lead to not only the development of safe and highly efficient radical-based reactions, but also to a new way to utilize waste plastics, which are a serious social problem.\u201d<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">The reuse of waste plastic was demonstrated by adding plastic shreds of a common grocery bag to the ball mill jar and successfully carrying out the reaction. The team also showed their method could be applied to the treatment of highly toxic polyhalogenated compounds, which are widely used in industry. Polyethylene was employed to initiate a radical reaction that removed multiple halogen atoms from a compound commonly used as a flame retardant, thus reducing its toxicity.<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">Researchers anticipate this method will garner the attention of industry due to advantages in cost and safety.<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">\n","protected":false},"excerpt":{"rendered":"<p>Researchers have developed a method for using single-use plastic &#8211; which is a major environmental concern &#8211; to carry out safe and highly efficient chemical reactions. A team led by researchers at the Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University has developed a method that uses common plastic materials instead of potentially [&hellip;]<\/p>\n","protected":false},"author":410,"featured_media":94039,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13331,984],"tags":[6541],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Researchers develop method for using plastic waste in safe chemical processes - Csr Egypt<\/title>\n<meta name=\"description\" content=\"Researchers have developed a method for using single-use plastic to carry out safe and highly efficient chemical reactions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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