{"id":7721,"date":"2026-06-22T11:45:00","date_gmt":"2026-06-22T09:45:00","guid":{"rendered":"https:\/\/viva.racunalniske-novice.com\/tehnologija-s-plazmo-pretvarja-kavo-v-obnovljivo-gorivo\/"},"modified":"2026-06-22T11:45:00","modified_gmt":"2026-06-22T09:45:00","slug":"tehnologija-s-plazmo-pretvarja-kavo-v-obnovljivo-gorivo","status":"publish","type":"post","link":"https:\/\/viva.racunalniske-novice.com\/fr\/la-technologie-plasma-transforme-le-cafe-en-carburant-renouvelable\/","title":{"rendered":"La technologie plasma transforme le caf\u00e9 en carburant renouvelable"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Le marc de caf\u00e9 est consid\u00e9r\u00e9 depuis longtemps comme une source potentielle importante d&#039;\u00e9nergie verte, mais son utilisation \u00e0 grande \u00e9chelle se heurte jusqu&#039;\u00e0 pr\u00e9sent \u00e0 un obstacle technique majeur\u00a0: sa forte teneur en humidit\u00e9. Les proc\u00e9d\u00e9s traditionnels de transformation en combustible n\u00e9cessitent un pr\u00e9-s\u00e9chage intensif, si \u00e9nergivore que l&#039;ensemble du processus n&#039;est pas rentable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des chercheurs de l&#039;Institut sud-cor\u00e9en des g\u00e9osciences et des ressources min\u00e9rales (KIGAM) ont r\u00e9solu ce probl\u00e8me gr\u00e2ce \u00e0 un nouveau proc\u00e9d\u00e9, pr\u00e9sent\u00e9 dans la revue scientifique Chemical Engineering Journal. La cl\u00e9 de ce succ\u00e8s r\u00e9side dans une technologie appel\u00e9e pyrolyse par plasma de flamme. Ce syst\u00e8me permet le traitement direct de la biomasse, contenant environ 55 % d&#039;humidit\u00e9, sous pression atmosph\u00e9rique. L&#039;appareil utilise des flammes de plasma dont la temp\u00e9rature se situe entre 800 \u00b0C et 900 \u00b0C, g\u00e9n\u00e9r\u00e9es par la combustion de gaz de p\u00e9trole liqu\u00e9fi\u00e9 et d&#039;air comprim\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sous l&#039;effet de la chaleur extr\u00eame, l&#039;humidit\u00e9 contenue dans les particules de caf\u00e9 s&#039;\u00e9vapore instantan\u00e9ment. La pression ainsi g\u00e9n\u00e9r\u00e9e provoque des explosions microscopiques. Ces explosions acc\u00e9l\u00e8rent la carbonisation et cr\u00e9ent une structure extr\u00eamement poreuse du mat\u00e9riau. L&#039;humidit\u00e9, loin d&#039;\u00eatre un obstacle, devient un agent activateur qui acc\u00e9l\u00e8re les r\u00e9actions chimiques et am\u00e9liore la qualit\u00e9 finale du produit ou du combustible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans des conditions optimales, la conversion compl\u00e8te ne prend que 90 secondes et la masse du mat\u00e9riau est r\u00e9duite de 83,3 %. Le combustible obtenu, gr\u00e2ce \u00e0 sa porosit\u00e9 et \u00e0 son pouvoir calorifique \u00e9lev\u00e9s, convient aussi bien comme combustible solide renouvelable de haute qualit\u00e9 que comme mat\u00e9riau carbon\u00e9 avanc\u00e9 pour l&#039;industrie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;avantage de cet appareil compact r\u00e9side dans son adaptation id\u00e9ale aux syst\u00e8mes d\u00e9centralis\u00e9s. Au lieu de transporter co\u00fbteusement des d\u00e9chets lourds et humides vers de grands centres de traitement, ces unit\u00e9s plasma peuvent \u00eatre install\u00e9es directement \u00e0 proximit\u00e9 des principales sources de d\u00e9chets, comme les torr\u00e9facteurs industriels ou les centres de collecte. Outre le caf\u00e9, la technologie FPP convient \u00e9galement \u00e0 d&#039;autres types de d\u00e9chets organiques \u00e0 forte teneur en humidit\u00e9, notamment les d\u00e9chets alimentaires et les r\u00e9sidus agricoles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il convient de noter que le syst\u00e8me \u00e0 plasma n\u00e9cessite toujours des combustibles fossiles pour fonctionner. Par cons\u00e9quent, en pratique, l&#039;empreinte carbone globale et le bilan \u00e9nerg\u00e9tique devront \u00eatre calcul\u00e9s avec pr\u00e9cision afin de confirmer la viabilit\u00e9 \u00e0 long terme du projet.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kavna usedlina \u017ee dolgo velja za odli\u010den potencialni vir zelene energije, vendar je njena izraba v ve\u010djem obsegu do zdaj tr\u010dila ob resno tehni\u010dno prepreko. Glavna te\u017eava je namre\u010d njena visoka vsebnost vlage. Tradicionalni postopki predelave v gorivo namre\u010d zahtevajo obse\u017eno predhodno su\u0161enje, ki porabi toliko energije, da je celoten proces finan\u010dno povsem nesmiselen. Raziskovalci [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[1137],"class_list":["post-7721","post","type-post","status-publish","format-standard","hentry","category-zivljenjski-slog","tag-elektricni-grelci"],"acf":{"subtitle":"","heading":"","summary":"Ju\u017enokorejski znanstveniki so razvili postopek plamenske pirolize, ki mokro kavno usedlino v 90 sekundah spremeni v gorivo s pomo\u010djo plazme pri temperaturah do 900 \u00b0C.","thumbnail_small":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2026\/06\/ground-coffee-into-fuel44-560x315.png","thumbnail_large":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2026\/06\/ground-coffee-into-fuel44-1024x768.png","thumbnail_caption":"Foto: ChatGPT","gallery":"","video_gallery":null,"author":"","links":null,"sources":[{"title":"notebookcheck","url":"https:\/\/www.notebookcheck.net\/From-waste-to-fuel-New-method-transforms-used-ground-coffee-into-high-quality-fuel-in-90-seconds.1325948.0.html"}],"skip_language":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tehnologija s plazmo pretvarja kavo v obnovljivo gorivo - Ra\u010dunalni\u0161ke novice<\/title>\n<meta name=\"description\" content=\"Ju\u017enokorejski znanstveniki so razvili postopek plamenske pirolize, ki mokro kavno usedlino v 90 sekundah spremeni v gorivo s pomo\u010djo plazme pri temperaturah do 900 \u00b0C.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/viva.racunalniske-novice.com\/fr\/wp-json\/wp\/v2\/posts\/7721\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tehnologija s plazmo pretvarja kavo v obnovljivo gorivo - Ra\u010dunalni\u0161ke novice\" \/>\n<meta property=\"og:description\" content=\"Kavna usedlina \u017ee dolgo velja za odli\u010den potencialni vir zelene energije, vendar je njena izraba v ve\u010djem obsegu do zdaj tr\u010dila ob resno tehni\u010dno prepreko. Glavna te\u017eava je namre\u010d njena visoka vsebnost vlage. Tradicionalni postopki predelave v gorivo namre\u010d zahtevajo obse\u017eno predhodno su\u0161enje, ki porabi toliko energije, da je celoten proces finan\u010dno povsem nesmiselen. 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