{"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\/hr\/ucinkovita-pretvorba-plastike-u-ulje\/","title":{"rendered":"U\u010dinkovita pretvorba plastike u ulje"},"content":{"rendered":"<p>Prije gotovo 30 godina, japanski podvodni robot prvi je put uo\u010dio plasti\u010dnu vre\u0107icu u dubinama Marijanskog rova. Danas je plastika toliko ra\u0161irena da se ve\u0107 pojavljuje kao novi geolo\u0161ki sloj \u2013 \u201eplastistone\u201c. Procjenjuje se da prosje\u010dni ljudski mozak sadr\u017ei do jedne \u017elice mikroplastike. Ozbiljnost problema navela je Ujedinjene narode da izrade globalni ugovor o plastici.&nbsp;<\/p>\n\n\n\n<p>No budu\u0107i da jo\u0161 uvijek ne mo\u017eemo kontrolirati \u0161irenje plastike, neki znanstvenici i industrije tra\u017ee rje\u0161enja. Me\u0111u njima je, naravno, kontroverzna metoda pretvaranja plastike natrag u upotrebljivu naftu. Ako se u\u010dinkovito pove\u0107a, &quot;bio-ulje&quot; bi moglo pokretati tehnologije koje zahtijevaju gorivo za toplinu i elektri\u010dnu energiju, poput pe\u0107i, turbina i dizelskih motora.&nbsp;<\/p>\n\n\n\n<p>Istra\u017eiva\u010di sa Sveu\u010dili\u0161ta Yale nedavno su predstavili novu metodu koja pove\u0107ava prinos bio-ulja i smanjuje tro\u0161kove. Koriste pirolizu \u2013 zagrijavanje bez kisika \u2013 na 900 \u00b0C, koja razgra\u0111uje plasti\u010dne polimere u ugljikovodike. Piroliza obi\u010dno posti\u017ee prinos od 60 posto, ali nova metoda bez katalizatora posti\u017ee \u010dak 66 posto.&nbsp;<\/p>\n\n\n\n<p>Umjesto skupih katalizatora, razvili su 3D-printani uglji\u010dni reaktor s tri dijela razli\u010ditih pora: 1 mm, 500 \u03bcm i 200 nm. Ova struktura kontrolira razgradnju molekula. Eksperimentalna verzija izra\u0111ena od uglji\u010dnog filca postigla je u\u010dinkovitost od 56 posto, unato\u010d ni\u017eoj preciznosti.&nbsp;<\/p>\n\n\n\n<p>Unato\u010d napretku, izazovi ostaju. Posebno visoka potro\u0161nja energije, koja uzrokuje emisije uglji\u010dnog dioksida. Neki stru\u010dnjaci pirolizu opisuju kao \u201ebajku\u201c koju promoviraju naftne tvrtke kako bi u\u0161tedjele fosilna goriva. Ali inovacije poput Yaleove mogle bi jednog dana postati pravo rje\u0161enje za plasti\u010dnu krizu.&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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