{"id":6605,"date":"2025-09-11T12:56:00","date_gmt":"2025-09-11T10:56:00","guid":{"rendered":"https:\/\/viva.racunalniske-novice.com\/ucinkovita-pretvorba-plastike-v-nafto\/"},"modified":"2025-09-11T12:56:00","modified_gmt":"2025-09-11T10:56:00","slug":"ucinkovita-pretvorba-plastike-v-nafto","status":"publish","type":"post","link":"https:\/\/viva.racunalniske-novice.com\/it\/conversione-efficiente-della-plastica-in-petrolio\/","title":{"rendered":"Conversione efficiente della plastica in petrolio"},"content":{"rendered":"<p>Quasi 30 anni fa, un robot sottomarino giapponese individu\u00f2 per la prima volta un sacchetto di plastica nelle profondit\u00e0 della Fossa delle Marianne. Oggi, la plastica \u00e8 cos\u00ec diffusa che sta gi\u00e0 emergendo come un nuovo strato geologico: il &quot;plastistone&quot;. Si stima che il cervello umano medio contenga fino a un cucchiaio di microplastica. La gravit\u00e0 del problema ha spinto le Nazioni Unite a redigere un trattato globale sulla plastica.&nbsp;<\/p>\n\n\n\n<p>Tuttavia, poich\u00e9 non possiamo ancora controllare la diffusione della plastica, alcuni scienziati e industrie stanno cercando soluzioni. Tra queste, naturalmente, c&#039;\u00e8 il controverso metodo di riconvertire la plastica in petrolio utilizzabile. Se efficacemente utilizzato su larga scala, il &quot;bio-petrolio&quot; potrebbe alimentare tecnologie che richiedono combustibile per il riscaldamento e la produzione di elettricit\u00e0, come forni, turbine e motori diesel.&nbsp;<\/p>\n\n\n\n<p>I ricercatori dell&#039;Universit\u00e0 di Yale hanno recentemente presentato un nuovo metodo che aumenta la resa di bio-olio e riduce i costi. Utilizzano la pirolisi, ovvero il riscaldamento in assenza di ossigeno, a 900 \u00b0C, che scompone i polimeri plastici in idrocarburi. In genere, la pirolisi raggiunge una resa del 60%, ma il nuovo metodo senza catalizzatore raggiunge addirittura il 66%.&nbsp;<\/p>\n\n\n\n<p>Invece di costosi catalizzatori, hanno sviluppato un reattore al carbonio stampato in 3D con tre sezioni di pori diversi: 1 mm, 500 \u03bcm e 200 nm. Questa struttura controlla la scomposizione delle molecole. Una versione sperimentale realizzata in feltro di carbonio ha raggiunto un&#039;efficienza del 56%, nonostante una precisione inferiore.&nbsp;<\/p>\n\n\n\n<p>Nonostante i progressi, permangono delle sfide. In particolare, l&#039;elevato consumo energetico, che causa emissioni di anidride carbonica. Alcuni esperti descrivono la pirolisi come una &quot;favola&quot; promossa dalle compagnie petrolifere per risparmiare combustibili fossili. Ma innovazioni come quella di Yale potrebbero un giorno diventare una vera soluzione alla crisi della plastica.&nbsp;<\/p>\n<br\/>","protected":false},"excerpt":{"rendered":"<p>Pred skoraj 30 leti je japonski podvodni robot prvi\u010d opazil plasti\u010dno vre\u010dko v globinah Marijanskega jarka. Danes je plastika tako raz\u0161irjena, da se \u017ee pojavlja kot nov geolo\u0161ki sloj \u2013 \u201cplastistone\u201d. Povpre\u010den \u010dlove\u0161ki mo\u017egani naj bi vsebovali do eno \u017elico mikroplastike. Zaradi resnosti problema Zdru\u017eeni narodi pripravljajo globalno pogodbo o plastiki.&nbsp; Ker pa \u0161irjenja plastike [&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":[16],"tags":[718],"class_list":["post-6605","post","type-post","status-publish","format-standard","hentry","category-oprema","tag-avtomobili"],"acf":{"subtitle":"Znanstveniki z univerze Yale so razvili novo metodo za pretvorbo plasti\u010dnih odpadkov v bio-nafto brez uporabe dragih katalizatorjev. S pomo\u010djo 3D-tiskanega reaktorja so dosegli rekordni izkoristek in pokazali potencial za trajnostno recikla\u017eo plastike.","heading":"","summary":"Znanstveniki z univerze Yale so razvili novo metodo za pretvorbo plasti\u010dnih odpadkov v bio-nafto brez uporabe dragih katalizatorjev. S pomo\u010djo 3D-tiskanega reaktorja so dosegli rekordni izkoristek in pokazali potencial za trajnostno recikla\u017eo plastike.","thumbnail_small":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2025\/09\/pollution-8252588_1280-560x315.jpg","thumbnail_large":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2025\/09\/pollution-8252588_1280-1024x768.jpg","thumbnail_caption":"","gallery":"","video_gallery":[{"youtube_url":"https:\/\/www.youtube.com\/shorts\/D0bTmWeMeWE"}],"author":"","links":[{"title":"Yale","url":""}],"sources":null,"skip_language":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>U\u010dinkovita pretvorba plastike v nafto - Ra\u010dunalni\u0161ke novice<\/title>\n<meta name=\"description\" content=\"Znanstveniki z univerze Yale so razvili novo metodo za pretvorbo plasti\u010dnih odpadkov v bio-nafto brez uporabe dragih katalizatorjev. 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