{"id":10879,"date":"2026-06-18T07:04:29","date_gmt":"2026-06-18T10:04:29","guid":{"rendered":"https:\/\/sinditextilsp.org.br\/home\/?p=10879"},"modified":"2026-06-19T07:07:58","modified_gmt":"2026-06-19T10:07:58","slug":"lignina-pode-substituir-petroleo-na-producao-de-poliamida","status":"publish","type":"post","link":"https:\/\/sinditextilsp.org.br\/home\/2026\/06\/lignina-pode-substituir-petroleo-na-producao-de-poliamida\/","title":{"rendered":"Lignina pode substituir petr\u00f3leo na produ\u00e7\u00e3o de poliamida"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Um grupo de pesquisadores do National Renewable Energy Laboratory (NREL) e do Massachusetts Institute of Technology (MIT) desenvolveu um m\u00e9todo que converte lignina em \u00e1cido ad\u00edpico, um componente da poliamida, alcan\u00e7ando um rendimento superior \u00e0s tentativas anteriores e podendo reduzir a depend\u00eancia de mat\u00e9rias-primas f\u00f3sseis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Publicado na revista &#8220;Nature&#8221; no in\u00edcio deste m\u00eas, o estudo <a href=\"https:\/\/www.nature.com\/articles\/s41586-026-10580-x\">Lignin to adipic acid in a high-yield chemical and biological redox process<\/a> utilizou uma abordagem que combina processos inspirados na refina\u00e7\u00e3o de petr\u00f3leo com convers\u00e3o biol\u00f3gica atrav\u00e9s de uma estirpe geneticamente modificada da bact\u00e9ria Pseudomonas putida.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O processo come\u00e7a com uma t\u00e9cnica qu\u00edmica, designada fraciona\u00e7\u00e3o catal\u00edtica redutiva, que extrai e fragmenta parcialmente a lignina da madeira. O \u00f3leo obtido \u00e9 depois tratado num reator cont\u00ednuo de hidrodesoxigena\u00e7\u00e3o, destinado a remover oxig\u00e9nio e grupos fen\u00f3licos. Segue-se uma etapa de oxida\u00e7\u00e3o, na qual s\u00e3o quebradas liga\u00e7\u00f5es carbono-carbono, originando uma mistura de \u00e1cidos carbox\u00edlicos arom\u00e1ticos sol\u00faveis em \u00e1gua. Estes compostos s\u00e3o posteriormente convertidos pela bact\u00e9ria geneticamente modificada em muconolactona, que \u00e9 depois transformada quimicamente em \u00e1cido ad\u00edpico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um grupo de pesquisadores do National Renewable Energy Laboratory (NREL) e do Massachusetts Institute of Technology (MIT) desenvolveu um m\u00e9todo que converte lignina em \u00e1cido ad\u00edpico, um componente da poliamida, alcan\u00e7ando um rendimento superior \u00e0s tentativas anteriores e podendo reduzir a depend\u00eancia de mat\u00e9rias-primas f\u00f3sseis. Publicado na revista &#8220;Nature&#8221; no in\u00edcio deste m\u00eas, o estudo [&hellip;]<\/p>\n","protected":false},"author":22,"featured_media":10880,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56,16],"tags":[],"class_list":["post-10879","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-destaques","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lignina pode substituir petr\u00f3leo na produ\u00e7\u00e3o de poliamida - Sindit\u00eaxtil-SP<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sinditextilsp.org.br\/home\/2026\/06\/lignina-pode-substituir-petroleo-na-producao-de-poliamida\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lignina pode substituir petr\u00f3leo na produ\u00e7\u00e3o de poliamida - Sindit\u00eaxtil-SP\" \/>\n<meta property=\"og:description\" content=\"Um grupo de pesquisadores do National Renewable Energy Laboratory (NREL) e do Massachusetts Institute of Technology (MIT) desenvolveu um m\u00e9todo que converte lignina em \u00e1cido ad\u00edpico, um componente da poliamida, alcan\u00e7ando um rendimento superior \u00e0s tentativas anteriores e podendo reduzir a depend\u00eancia de mat\u00e9rias-primas f\u00f3sseis. Publicado na revista &#8220;Nature&#8221; no in\u00edcio deste m\u00eas, o estudo [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sinditextilsp.org.br\/home\/2026\/06\/lignina-pode-substituir-petroleo-na-producao-de-poliamida\/\" \/>\n<meta property=\"og:site_name\" content=\"Sindit\u00eaxtil-SP\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/sinditextilsp\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-18T10:04:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-19T10:07:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sinditextilsp.org.br\/home\/wp-content\/uploads\/2026\/06\/Poliamida_18junho2026\u00a9Unsplash-Slava-Kompaniets.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"667\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Luciana Elia\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SinditextilSP\" \/>\n<meta name=\"twitter:site\" content=\"@SinditextilSP\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Luciana Elia\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/sinditextilsp.org.br\/home\/2026\/06\/lignina-pode-substituir-petroleo-na-producao-de-poliamida\/\",\"url\":\"https:\/\/sinditextilsp.org.br\/home\/2026\/06\/lignina-pode-substituir-petroleo-na-producao-de-poliamida\/\",\"name\":\"Lignina pode substituir petr\u00f3leo na produ\u00e7\u00e3o de poliamida - 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