Plastik at\u0131klar hidrojen yak\u0131t\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fcld\u00fc konusunda dikkat \u00e7eken geli\u015fmeler ya\u015fan\u0131yor.<\/p>\n
G\u00fcncelleme Tarihi: Temmuz 29, 2026 18:39 Bilim insanlar\u0131, yayg\u0131n kullan\u0131lan \u00fc\u00e7 plastik t\u00fcr\u00fcn\u00fc ayr\u0131\u015ft\u0131rmaya gerek kalmadan y\u00fczde 90\u2019\u0131n \u00fczerinde safl\u0131\u011fa sahip hidrojen gaz\u0131na d\u00f6n\u00fc\u015ft\u00fcren son bir y\u00f6ntem geli\u015ftirdi. Plastik kirlili\u011fi ile temiz enerji ihtiyac\u0131n\u0131 ayn\u0131 anda hedefleyen teknoloji, karbonun ciddi b\u00f6l\u00fcm\u00fcn\u00fcn atmosfere sal\u0131nmas\u0131n\u0131 da \u00f6nl\u00fcyor. Plastik at\u0131klar\u0131n geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesindeki en b\u00fcy\u00fck engellerden biri, \u00e7\u00f6plerin t\u00fcrlerine g\u00f6re ayr\u0131lmas\u0131 ve temizlenmesi i\u00e7in gereken maliyetli s\u00fcre\u00e7.<\/p>\n
ABD ve G\u00fcney Kore\u2019den ara\u015ft\u0131rmac\u0131lar ise farkl\u0131 plastiklerin kar\u0131\u015f\u0131k halde do\u011frudan hidrojen yak\u0131t\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fclebilece\u011fi g\u00fcncel bir y\u00f6ntem geli\u015ftirdi. Kaliforniya \u00dcniversitesi Los Angeles kamp\u00fcs\u00fc ile G\u00fcney Kore\u2019deki Ewha Kad\u0131n \u00dcniversitesi \u00f6nc\u00fcl\u00fc\u011f\u00fcnde y\u00fcr\u00fct\u00fclen \u00e7al\u0131\u015fmada PET, polietilen ve polipropilen i\u00e7eren kar\u0131\u015f\u0131k plastik at\u0131klardan y\u00fczde 90\u2019\u0131n \u00fczerinde safl\u0131\u011fa sahip hidrojen elde edildi. Ara\u015ft\u0131rman\u0131n e\u015f liderlerinden Prof.<\/p>\n
Ah-Hyung Park, y\u00f6ntemin iki k\u00fcresel sorunu ayn\u0131 anda hedefledi\u011fini belirterek plastik at\u0131klar\u0131n h\u0131zla birikti\u011fini, temiz hidrojenin ise enerji sekt\u00f6r\u00fcn\u00fcn karbondan ar\u0131nd\u0131r\u0131lmas\u0131 i\u00e7in \u00f6nem ta\u015f\u0131d\u0131\u011f\u0131n\u0131 s\u00f6yledi. AYIRMA GEREKM\u0130YORG\u00fcn\u00fcm\u00fczde plastiklerin geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclebilmesi i\u00e7in farkl\u0131 t\u00fcrlerin \u00f6nemli \u00f6l\u00e7\u00fcde \u00f6l\u00e7\u00fcde birbirinden ayr\u0131lmas\u0131 gerekiyor. \u00d6te yandan, \u00e7\u00fcnk\u00fc plastiklerin kimyasal yap\u0131lar\u0131 ve i\u015flenme s\u0131cakl\u0131klar\u0131 farkl\u0131l\u0131k g\u00f6steriyor.<\/p>\n
PET \u015fi\u015feler, plastik po\u015fetler ve yiyecek kaplar\u0131 ayn\u0131 y\u00f6ntemle kolayca i\u015flenemiyor. At\u0131klar\u0131n s\u0131n\u0131fland\u0131r\u0131lmas\u0131 ve temizlenmesi hem maliyeti y\u00fckseltiyor hem de geri d\u00f6n\u00fc\u015f\u00fcm\u00fcn ekonomik a\u00e7\u0131dan cazibesini azalt\u0131yor. G\u00fcncel y\u00f6ntem ise PET, polietilen ve polipropilenin kar\u0131\u015f\u0131k halde i\u015flenebilmesini sa\u011fl\u0131yor.<\/p>\n
B\u00f6ylece plastiklerin t\u00fcrlerine g\u00f6re ayr\u0131lmas\u0131 i\u00e7in gereken i\u015flem ve maliyetlerin azalt\u0131lmas\u0131 hedefleniyor. ISI VE K\u0130MYASAL\u201cAlkali termal i\u015flem\u201d ad\u0131 verilen y\u00f6ntemde sodyum hidroksit ve y\u00fcksek s\u0131cakl\u0131k kullan\u0131l\u0131yor. Sodyum hidroksit, \u0131s\u0131yla birlikte plastiklerin kimyasal ba\u011flar\u0131n\u0131n par\u00e7alanmas\u0131na yard\u0131mc\u0131 oluyor ve plastik i\u00e7indeki hidrojenin gaz halinde a\u00e7\u0131\u011fa \u00e7\u0131kmas\u0131n\u0131 sa\u011fl\u0131yor.<\/p>\n
Polietilen ve polipropilenin i\u015flenmesini kolayla\u015ft\u0131rmak i\u00e7in plastiklere \u00f6n i\u015flem de uyguland\u0131. Malzemelerin \u0131s\u0131t\u0131larak kontroll\u00fc bi\u00e7imde oksitlenmesi, polimer zincirlerine oksijen eklenmesini ve kimyasal tepkimelere daha a\u00e7\u0131k hale gelmesini sa\u011flad\u0131. Bu ad\u0131m \u00f6nem ta\u015f\u0131yor \u00e7\u00fcnk\u00fc po\u015fetlerde, pipetlerde ve g\u0131da kaplar\u0131nda kullan\u0131lan polietilen ile polipropilen, kimyasal i\u015flemlere kar\u015f\u0131 olduk\u00e7a diren\u00e7li.<\/p>\n
DAHA D\u00dc\u015e\u00dcK SICAKLIKPlastikten hidrojen \u00fcretmeyi ama\u00e7layan mevcut y\u00f6ntemlerin kritik bir b\u00f6l\u00fcm\u00fc \u00e7ok y\u00fcksek s\u0131cakl\u0131klar gerektiriyor. Bu durum enerji t\u00fcketimini art\u0131r\u0131yor. Son y\u00f6ntemin alternatif teknolojilere k\u0131yasla 300 ila 400 santigrat derece daha d\u00fc\u015f\u00fck s\u0131cakl\u0131kta \u00e7al\u0131\u015fabildi\u011fi bildirildi.<\/p>\n
\u0130\u015flem sonucunda elde edilen hidrojenin safl\u0131\u011f\u0131 y\u00fczde 90\u2019\u0131n \u00fczerine \u00e7\u0131kt\u0131. Ancak ara\u015ft\u0131rmac\u0131lar, hidrojen miktar\u0131n\u0131n art\u0131r\u0131lmas\u0131 ve s\u00fcrecin ticari kullan\u0131ma uygun hale getirilmesi i\u00e7in daha fazla \u00e7al\u0131\u015fma gerekti\u011fini belirtiyor. KARBONU TUTUYORY\u00f6ntemin en dikkat \u00e7ekici \u00f6zelliklerinden biri, plastiklerdeki karbonun b\u00fcy\u00fck b\u00f6l\u00fcm\u00fcn\u00fc karbondioksit olarak atmosfere salmak yerine kat\u0131 halde tutabilmesi.<\/p>\n
Deneylerde karbon yan \u00fcr\u00fcnlerinin yakla\u015f\u0131k y\u00fczde 75\u2019i kat\u0131 bi\u00e7imde yakaland\u0131. Bu durum, y\u00f6ntemin do\u011frudan karbon sal\u0131m\u0131n\u0131 geleneksel hidrojen \u00fcretim tekniklerine g\u00f6re azaltabilece\u011fini g\u00f6steriyor. Kat\u0131 halde tutulan karbonun daha sonra depolanmas\u0131 veya farkl\u0131 sanayi uygulamalar\u0131nda kullan\u0131lmas\u0131 da m\u00fcmk\u00fcn olabilir.<\/p>\n
H\u0130DROJEN NE KADAR TEM\u0130Z?Hidrojen, kullan\u0131ld\u0131\u011f\u0131nda yaln\u0131zca su buhar\u0131 ortaya \u00e7\u0131kard\u0131\u011f\u0131 i\u00e7in temiz yak\u0131t olarak tan\u0131mlan\u0131yor. Ancak \u00e7evresel etkisi, nas\u0131l \u00fcretildi\u011fine ba\u011fl\u0131. D\u00fcnya genelindeki hidrojenin \u00f6nemli \u00f6l\u00e7\u00fcde b\u00f6l\u00fcm\u00fc halen do\u011fal gazdan elde ediliyor.<\/p>\n
Bu s\u00fcre\u00e7te y\u00fcksek miktarda enerji t\u00fcketiliyor ve karbondioksit a\u00e7\u0131\u011fa \u00e7\u0131k\u0131yor. Plastik at\u0131klardan hidrojen \u00fcretilmesi, g\u00fcncel fosil yak\u0131t kullan\u0131lmadan enerji ta\u015f\u0131y\u0131c\u0131s\u0131 elde edilmesine imk\u00e2n sa\u011flayabilir. Ancak plastiklerin ba\u015flang\u0131\u00e7ta petrolden \u00fcretildi\u011fi ve y\u00f6ntemin tamamen karbonsuz olmad\u0131\u011f\u0131 da vurgulan\u0131yor.<\/p>\n
G\u00dcNL\u00dcK PLAST\u0130KLERAra\u015ft\u0131rmada kullan\u0131lan plastikler g\u00fcnl\u00fck ya\u015famda en s\u0131k kar\u015f\u0131la\u015f\u0131lan malzemeler aras\u0131nda bulunuyor. PET genellikle i\u00e7ecek \u015fi\u015felerinde, polietilen al\u0131\u015fveri\u015f po\u015fetleri ve ambalajlarda, polipropilen ise pipetler, g\u0131da kutular\u0131 ve \u00e7e\u015fitli ev e\u015fyalar\u0131nda kullan\u0131l\u0131yor. Bu plastiklerin birlikte i\u015flenebilmesi, evsel \u00e7\u00f6pler gibi kar\u0131\u015f\u0131k at\u0131k kaynaklar\u0131n\u0131n de\u011ferlendirilmesini kolayla\u015ft\u0131rabilir.<\/p>\n
Edinilen bilgilere g\u00f6re, \u015f\u0130MD\u0130L\u0130K LABORATUVARDAY\u00f6ntem umut verici sonu\u00e7lar ortaya koysa da hen\u00fcz ticari kullan\u0131ma haz\u0131r de\u011fil. Deneyler laboratuvar ortam\u0131nda ve \u00e7ok k\u00fc\u00e7\u00fck plastik \u00f6rnekleriyle ger\u00e7ekle\u015ftirildi. S\u00fcrecin sanayi \u00f6l\u00e7e\u011fine ta\u015f\u0131nmas\u0131 s\u0131ras\u0131nda enerji t\u00fcketimi, kimyasallar\u0131n geri kazan\u0131lmas\u0131, s\u0131cakl\u0131\u011f\u0131n kontrol\u00fc ve olu\u015fan kat\u0131 karbonun y\u00f6netilmesi gerekecek.<\/p>\n
Ara\u015ft\u0131rmac\u0131lar bundan sonraki a\u015famada hidrojen verimini art\u0131rmay\u0131, hareket s\u0131cakl\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fck tutmay\u0131 ve karbon sal\u0131m\u0131n\u0131 daha da azaltmay\u0131 hedefliyor. \u00c7al\u0131\u015fmada yer alan Woo-Jae Kim, plastiklerin ayr\u0131\u015ft\u0131r\u0131lmas\u0131 i\u00e7in gereken maliyetin azalt\u0131lmas\u0131n\u0131n teknolojinin ticarile\u015ftirilmesi a\u00e7\u0131s\u0131ndan \u00f6nemli avantaj sa\u011flayabilece\u011fini belirtti. Y\u00f6ntemin b\u00fcy\u00fck \u00f6l\u00e7ekte uygulanabilmesi halinde geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi zor plastikler enerji \u00fcretiminde kullan\u0131labilecek, fosil yak\u0131tlardan hidrojen \u00fcretimine duyulan ihtiya\u00e7 azalt\u0131labilecek ve karbonun do\u011frudan atmosfere kar\u0131\u015fmas\u0131 \u00f6nlenebilecek.<\/p>\n","protected":false},"excerpt":{"rendered":"
Plastik at\u0131klar hidrojen yak\u0131t\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fcld\u00fc konusunda dikkat \u00e7eken geli\u015fmeler ya\u015fan\u0131yor. Uzman De\u011ferlendirmesi G\u00fcncelleme Tarihi: Temmuz 29, 2026 18:39 Bilim insanlar\u0131, yayg\u0131n kullan\u0131lan \u00fc\u00e7 plastik t\u00fcr\u00fcn\u00fc ayr\u0131\u015ft\u0131rmaya gerek kalmadan y\u00fczde 90\u2019\u0131n \u00fczerinde safl\u0131\u011fa sahip hidrojen gaz\u0131na d\u00f6n\u00fc\u015ft\u00fcren son bir y\u00f6ntem geli\u015ftirdi. Plastik kirlili\u011fi ile temiz enerji ihtiyac\u0131n\u0131 ayn\u0131 anda hedefleyen teknoloji, karbonun ciddi b\u00f6l\u00fcm\u00fcn\u00fcn atmosfere sal\u0131nmas\u0131n\u0131 […]<\/p>\n","protected":false},"author":1,"featured_media":1755,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_is_manset":"","_is_son_dakika":"","_is_one_cikan":"","_is_gunun_secimleri":"","_is_cok_okunan":"","_is_sag_widget":"","_tanhaber_views":15,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-1754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji"],"_links":{"self":[{"href":"https:\/\/bentanofficial.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/1754","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bentanofficial.com.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bentanofficial.com.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bentanofficial.com.tr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bentanofficial.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=1754"}],"version-history":[{"count":0,"href":"https:\/\/bentanofficial.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/1754\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bentanofficial.com.tr\/index.php\/wp-json\/wp\/v2\/media\/1755"}],"wp:attachment":[{"href":"https:\/\/bentanofficial.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=1754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bentanofficial.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=1754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bentanofficial.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=1754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}