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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">premjesti na bočnu traku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">sakrij</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Početak</div> </a> </li> <li id="toc-Metodi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Metodi"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Metodi</span> </div> </a> <ul id="toc-Metodi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reference" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Reference"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Reference</span> </div> </a> <ul id="toc-Reference-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Spoljašnje_veze" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Spoljašnje_veze"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Spoljašnje veze</span> </div> </a> <ul id="toc-Spoljašnje_veze-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Sadržaj" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" lang="sh-Latn" dir="ltr"> <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Prikaži/sakrij sadržaj" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Prikaži/sakrij sadržaj</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading" lang="sh-Latn" dir="ltr"><span class="mw-page-title-main">Krekovanje (hemija)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" lang="sh-Latn" dir="ltr"> <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Prijedi na druge jezične varijante članka. Dostupno je na 52 jezika" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-52" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">52 jezika</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D9%83%D8%B3%D9%8A%D8%B1_(%D9%83%D9%8A%D9%85%D9%8A%D8%A7%D8%A1)" title="تكسير (كيمياء) — Arapski" lang="ar" hreflang="ar" data-title="تكسير (كيمياء)" data-language-autonym="العربية" data-language-local-name="Arapski" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Krekinq" title="Krekinq — Azerbejdžanski" lang="az" hreflang="az" data-title="Krekinq" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbejdžanski" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9A%D1%80%D1%8D%D0%BA%D1%96%D0%BD%D0%B3" title="Крэкінг — Beloruski" lang="be" hreflang="be" data-title="Крэкінг" data-language-autonym="Беларуская" data-language-local-name="Beloruski" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D0%BA%D0%B8%D0%BD%D0%B3" title="Крекинг — Bugarski" lang="bg" hreflang="bg" data-title="Крекинг" data-language-autonym="Български" data-language-local-name="Bugarski" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Craqueig" title="Craqueig — Katalonski" lang="ca" hreflang="ca" data-title="Craqueig" data-language-autonym="Català" data-language-local-name="Katalonski" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Krakov%C3%A1n%C3%AD" title="Krakování — Češki" lang="cs" hreflang="cs" data-title="Krakování" data-language-autonym="Čeština" data-language-local-name="Češki" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Krakning" title="Krakning — Danski" lang="da" hreflang="da" data-title="Krakning" data-language-autonym="Dansk" data-language-local-name="Danski" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Cracken" title="Cracken — Nemački" lang="de" hreflang="de" data-title="Cracken" data-language-autonym="Deutsch" data-language-local-name="Nemački" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CF%85%CF%81%CF%8C%CE%BB%CF%85%CF%83%CE%B7_(%CF%87%CE%B7%CE%BC%CE%B5%CE%AF%CE%B1)" title="Πυρόλυση (χημεία) — Grčki" lang="el" hreflang="el" data-title="Πυρόλυση (χημεία)" data-language-autonym="Ελληνικά" data-language-local-name="Grčki" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Cracking_(chemistry)" title="Cracking (chemistry) — Engleski" lang="en" hreflang="en" data-title="Cracking (chemistry)" data-language-autonym="English" data-language-local-name="Engleski" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Craqueo" title="Craqueo — Španski" lang="es" hreflang="es" data-title="Craqueo" data-language-autonym="Español" data-language-local-name="Španski" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Krakkimine" title="Krakkimine — Estonski" lang="et" hreflang="et" data-title="Krakkimine" data-language-autonym="Eesti" data-language-local-name="Estonski" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Cracking" title="Cracking — Baskijski" lang="eu" hreflang="eu" data-title="Cracking" data-language-autonym="Euskara" data-language-local-name="Baskijski" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%A9%D8%B1%D8%A7%DA%A9%DB%8C%D9%86%DA%AF" title="کراکینگ — Persijski" lang="fa" hreflang="fa" data-title="کراکینگ" data-language-autonym="فارسی" data-language-local-name="Persijski" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Krakkaus_(kemia)" title="Krakkaus (kemia) — Finski" lang="fi" hreflang="fi" data-title="Krakkaus (kemia)" data-language-autonym="Suomi" data-language-local-name="Finski" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Craquage" title="Craquage — Francuski" lang="fr" hreflang="fr" data-title="Craquage" data-language-autonym="Français" data-language-local-name="Francuski" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Scoilteadh_catala%C3%ADoch" title="Scoilteadh catalaíoch — Irski" lang="ga" hreflang="ga" data-title="Scoilteadh catalaíoch" data-language-autonym="Gaeilge" data-language-local-name="Irski" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%99%D7%A6%D7%95%D7%97_%D7%A4%D7%97%D7%9E%D7%99%D7%9E%D7%A0%D7%99%D7%9D" title="פיצוח פחמימנים — Hebrejski" lang="he" hreflang="he" data-title="פיצוח פחמימנים" data-language-autonym="עברית" data-language-local-name="Hebrejski" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Krekiranje" title="Krekiranje — Hrvatski" lang="hr" hreflang="hr" data-title="Krekiranje" data-language-autonym="Hrvatski" data-language-local-name="Hrvatski" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Krakaj" title="Krakaj — Haićanski" lang="ht" hreflang="ht" data-title="Krakaj" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haićanski" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Krakkol%C3%A1s" title="Krakkolás — Mađarski" lang="hu" hreflang="hu" data-title="Krakkolás" data-language-autonym="Magyar" data-language-local-name="Mađarski" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%BF%D6%80%D5%A5%D5%AF%D5%AB%D5%B6%D5%A3" title="Կրեկինգ — Jermenski" lang="hy" hreflang="hy" data-title="Կրեկինգ" data-language-autonym="Հայերեն" data-language-local-name="Jermenski" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Perengkahan" title="Perengkahan — Indonezijski" lang="id" hreflang="id" data-title="Perengkahan" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonezijski" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Cracking_(chimica)" title="Cracking (chimica) — Italijanski" lang="it" hreflang="it" data-title="Cracking (chimica)" data-language-autonym="Italiano" data-language-local-name="Italijanski" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%AF%E3%83%A9%E3%83%83%E3%82%AD%E3%83%B3%E3%82%B0_(%E5%8C%96%E5%AD%A6)" title="クラッキング (化学) — Japanski" lang="ja" hreflang="ja" data-title="クラッキング (化学)" data-language-autonym="日本語" data-language-local-name="Japanski" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%99%E1%83%A0%E1%83%94%E1%83%99%E1%83%98%E1%83%9C%E1%83%92%E1%83%98" title="კრეკინგი — Gruzijski" lang="ka" hreflang="ka" data-title="კრეკინგი" data-language-autonym="ქართული" data-language-local-name="Gruzijski" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D0%BA%D0%B8%D0%BD%D0%B3" title="Крекинг — Kozački" lang="kk" hreflang="kk" data-title="Крекинг" data-language-autonym="Қазақша" data-language-local-name="Kozački" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%81%AC%EB%9E%98%ED%82%B9_(%ED%99%94%ED%95%99)" title="크래킹 (화학) — Korejski" lang="ko" hreflang="ko" data-title="크래킹 (화학)" data-language-autonym="한국어" data-language-local-name="Korejski" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D0%BA%D0%B8%D0%BD%D0%B3" title="Крекинг — Kirgiski" lang="ky" hreflang="ky" data-title="Крекинг" data-language-autonym="Кыргызча" data-language-local-name="Kirgiski" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Krekingas" title="Krekingas — Litvanski" lang="lt" hreflang="lt" data-title="Krekingas" data-language-autonym="Lietuvių" data-language-local-name="Litvanski" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Krekings" title="Krekings — Letonski" lang="lv" hreflang="lv" data-title="Krekings" data-language-autonym="Latviešu" data-language-local-name="Letonski" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Peretakan" title="Peretakan — Malajski" lang="ms" hreflang="ms" data-title="Peretakan" data-language-autonym="Bahasa Melayu" data-language-local-name="Malajski" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Kraken_(scheikunde)" title="Kraken (scheikunde) — Holandski" lang="nl" hreflang="nl" data-title="Kraken (scheikunde)" data-language-autonym="Nederlands" data-language-local-name="Holandski" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Krakking" title="Krakking — Norveški njorsk" lang="nn" hreflang="nn" data-title="Krakking" data-language-autonym="Norsk nynorsk" data-language-local-name="Norveški njorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Krakking" title="Krakking — Norveški bokmål" lang="nb" hreflang="nb" data-title="Krakking" data-language-autonym="Norsk bokmål" data-language-local-name="Norveški bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AD%E0%A9%B0%E0%A8%9C%E0%A8%A3_(%E0%A8%B0%E0%A8%B8%E0%A8%BE%E0%A8%87%E0%A8%A3%E0%A8%95)" title="ਭੰਜਣ (ਰਸਾਇਣਕ) — Pandžabski" lang="pa" hreflang="pa" data-title="ਭੰਜਣ (ਰਸਾਇਣਕ)" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Pandžabski" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Kraking" title="Kraking — Poljski" lang="pl" hreflang="pl" data-title="Kraking" data-language-autonym="Polski" data-language-local-name="Poljski" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Craqueamento" title="Craqueamento — Portugalski" lang="pt" hreflang="pt" data-title="Craqueamento" data-language-autonym="Português" data-language-local-name="Portugalski" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Cracare" title="Cracare — Rumunski" lang="ro" hreflang="ro" data-title="Cracare" data-language-autonym="Română" data-language-local-name="Rumunski" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D0%BA%D0%B8%D0%BD%D0%B3" title="Крекинг — Ruski" lang="ru" hreflang="ru" data-title="Крекинг" data-language-autonym="Русский" data-language-local-name="Ruski" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Cracking_(chemistry)" title="Cracking (chemistry) — Simple English" lang="en-simple" hreflang="en-simple" data-title="Cracking (chemistry)" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Krakovanie" title="Krakovanie — Slovački" lang="sk" hreflang="sk" data-title="Krakovanie" data-language-autonym="Slovenčina" data-language-local-name="Slovački" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Kreking" title="Kreking — Slovenački" lang="sl" hreflang="sl" data-title="Kreking" data-language-autonym="Slovenščina" data-language-local-name="Slovenački" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D0%BA%D0%BE%D0%B2%D0%B0%D1%9A%D0%B5_(%D1%85%D0%B5%D0%BC%D0%B8%D1%98%D0%B0)" title="Крековање (хемија) — Srpski" lang="sr" hreflang="sr" data-title="Крековање (хемија)" data-language-autonym="Српски / srpski" data-language-local-name="Srpski" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Krackning" title="Krackning — Švedski" lang="sv" hreflang="sv" data-title="Krackning" data-language-autonym="Svenska" data-language-local-name="Švedski" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Kraking" title="Kraking — Silesian" lang="szl" hreflang="szl" data-title="Kraking" data-language-autonym="Ślůnski" data-language-local-name="Silesian" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kraking" title="Kraking — Turski" lang="tr" hreflang="tr" data-title="Kraking" data-language-autonym="Türkçe" data-language-local-name="Turski" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/Kreking" title="Kreking — Tatarski" lang="tt" hreflang="tt" data-title="Kreking" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatarski" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D0%BA%D1%96%D0%BD%D0%B3" title="Крекінг — Ukrajinski" lang="uk" hreflang="uk" data-title="Крекінг" data-language-autonym="Українська" data-language-local-name="Ukrajinski" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Kreking" title="Kreking — Uzbečki" lang="uz" hreflang="uz" data-title="Kreking" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbečki" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Cracking_(h%C3%B3a_h%E1%BB%8Dc)" title="Cracking (hóa học) — Vijetnamski" lang="vi" hreflang="vi" data-title="Cracking (hóa học)" data-language-autonym="Tiếng Việt" data-language-local-name="Vijetnamski" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%A3%82%E5%8C%96%E5%8F%8D%E5%BA%94" title="裂化反应 — Kineski" lang="zh" hreflang="zh" data-title="裂化反应" data-language-autonym="中文" data-language-local-name="Kineski" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q212749#sitelinks-wikipedia" title="Uredi međujezične poveznice" class="wbc-editpage">Uredi veze</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Imenski prostori"> <div 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href="/w/index.php?title=Posebno:Kolekcija&bookcmd=book_creator&referer=Krekovanje+%28hemija%29"><span>Napravi knjigu</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Posebno:DownloadAsPdf&page=Krekovanje_%28hemija%29&action=show-download-screen"><span>Preuzmi kao PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Krekovanje_(hemija)&printable=yes" title="Odštampajte ovu stranicu [p]" accesskey="p"><span>Odštampaj</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" lang="sh-Latn" dir="ltr"> <div class="vector-menu-heading"> Na drugim projektima </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Cracking_(chemistry)" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q212749" title="Pogledajte povezanu stavku u skladištu podataka [g]" accesskey="g"><span>Stavka na Wikipodacima</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Pomagala"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Izgled"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Izgled</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">premjesti na bočnu traku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">sakrij</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Izvor: Wikipedija</div> </div> <div id="contentSub" lang="sh-Latn" dir="ltr"><div id="mw-content-subtitle" lang="sh-Latn" dir="ltr"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="sh-Latn" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Datoteka:Russian_Cracking.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a5/Russian_Cracking.jpg/220px-Russian_Cracking.jpg" decoding="async" width="220" height="231" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/a/a5/Russian_Cracking.jpg 1.5x" data-file-width="239" data-file-height="251" /></a><figcaption>Fabrika Šukhovovog procesa krekovanja, <a href="/wiki/Baku" title="Baku">Baku</a>, <a href="/wiki/Savez_Sovjetskih_Socijalisti%C4%8Dkih_Republika" class="mw-redirect" title="Savez Sovjetskih Socijalističkih Republika">SSSR</a>, <a href="/wiki/1934" title="1934">1934</a>.</figcaption></figure> <p><b>Krekovanje</b> (<a href="/wiki/Engleski_jezik" title="Engleski jezik">engl.</a> <i><span lang="en">cracking</span></i> - cepanje) je razlaganje molekula na više molekula sa manjim brojem atoma ugljenika u molekulu. Pri reakciji krekovanja dobijaju se zasićeni i nezasićeni ugljovodonici. Frakcije <a href="/wiki/Nafta" title="Nafta">nafte</a> koje imaju višu <a href="/wiki/Temperatura_klju%C4%8Danja" class="mw-redirect" title="Temperatura ključanja">temperaturu ključanja</a> se podrvrgavaju krekovanju, da bi se povećao prinos <a href="/wiki/Motorni_benzin" class="mw-redirect" title="Motorni benzin">benzina</a>.<sup id="cite_ref-Gary_1-0" class="reference"><a href="#cite_note-Gary-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Speight_2-0" class="reference"><a href="#cite_note-Speight-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Reza_3-0" class="reference"><a href="#cite_note-Reza-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Metodi">Metodi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Krekovanje_(hemija)&veaction=edit&section=1" title="Uredi odjeljak Metodi" class="mw-editsection-visualeditor"><span>uredi</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Krekovanje_(hemija)&action=edit&section=1" title="Uredi kôd odjeljka Metodi"><span>uredi kod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Krekovanjem se razlažu veliki molekuli u manje putem termičkog ili katalitičkog metoda. </p><p>Proces termičkog krekovanja sledi homolitički mehanizam u kome se hemijske veze simetrično raskidaju i formiraju se slobodni radikali. </p><p>Proces katalitičkog krekovanja se odvija u prisustvu <a href="/wiki/Kiselina" title="Kiselina">kiselih</a> <a href="/wiki/Kataliza" title="Kataliza">katalizatora</a> (obično čvrstih kiselina kao što su <a href="/w/index.php?title=Silika-alumina&action=edit&redlink=1" class="new" title="Silika-alumina (stranica ne postoji)">silika-alumina</a> i <a href="/wiki/Zeolit" title="Zeolit">zeoliti</a>) koji promovišu heterolitičko (asimetrično) razlaganje veza proizvodeći parove <a href="/wiki/Jon" title="Jon">jona</a> suprotnog naelektrisanja, obično <a href="/wiki/Karbokatjon" title="Karbokatjon">karbokatjon</a> i veoma nestabilni <a href="/wiki/Hidrid" title="Hidrid">hidridni</a> <a href="/wiki/Jon" title="Jon">anijon</a>. Slobodni radikali i katjoni su veoma nestabilni i podležu procesu preuređenja lanca, kao i <a href="/w/index.php?title=Intramolekulska_reakcija&action=edit&redlink=1" class="new" title="Intramolekulska reakcija (stranica ne postoji)">intra-</a> i <a href="/wiki/Me%C4%91umolekulske_sile" class="mw-redirect" title="Međumolekulske sile">intermolekulskom</a> transferu vodonika, ili hibridnom transferu. Kod oba tipa procesa, odgovarajući reaktivni intermedijari (radikali, joni) se permanentno regenerišu, i proces teče putem samo-propagirajućeg lančanog mehanizma. Lančana reakcija se konačno završava rekombinacijom radikala ili jona. </p> <div class="mw-heading mw-heading2"><h2 id="Reference">Reference</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Krekovanje_(hemija)&veaction=edit&section=2" title="Uredi odjeljak Reference" class="mw-editsection-visualeditor"><span>uredi</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Krekovanje_(hemija)&action=edit&section=2" title="Uredi kôd odjeljka Reference"><span>uredi kod</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r41556849">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width reflist-columns-2"> <ol class="references"> <li id="cite_note-Gary-1"><span class="mw-cite-backlink"><a href="#cite_ref-Gary_1-0">↑</a></span> <span class="reference-text"><span class="citation book">James H. Gary and Glenn E. Handwerk (2001). <i>Petroleum Refining: Technology and Economics</i> (4th izd.). CRC Press. <a href="/wiki/International_Standard_Book_Number" class="mw-redirect" title="International Standard Book Number">ISBN</a> <a href="/wiki/Posebno:Tra%C5%BEi_ISBN/0-8247-0482-7" title="Posebno:Traži ISBN/0-8247-0482-7">0-8247-0482-7</a>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Petroleum+Refining%3A+Technology+and+Economics&rft.aulast=James+H.+Gary+and+Glenn+E.+Handwerk&rft.au=James+H.+Gary+and+Glenn+E.+Handwerk&rft.date=2001&rft.edition=4th&rft.pub=CRC+Press&rft.isbn=0-8247-0482-7&rfr_id=info:sid/en.wikipedia.org:Krekovanje_(hemija)"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-Speight-2"><span class="mw-cite-backlink"><a href="#cite_ref-Speight_2-0">↑</a></span> <span class="reference-text"><span class="citation book">James. G. Speight (2006). <i>The Chemistry and Technology of Petroleum</i> (4th izd.). CRC Press. <a href="/wiki/International_Standard_Book_Number" class="mw-redirect" title="International Standard Book Number">ISBN</a> <a href="/wiki/Posebno:Tra%C5%BEi_ISBN/0-8493-9067-2" title="Posebno:Traži ISBN/0-8493-9067-2">0-8493-9067-2</a>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Chemistry+and+Technology+of+Petroleum&rft.aulast=James.+G.+Speight&rft.au=James.+G.+Speight&rft.date=2006&rft.edition=4th&rft.pub=CRC+Press&rft.isbn=0-8493-9067-2&rfr_id=info:sid/en.wikipedia.org:Krekovanje_(hemija)"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-Reza-3"><span class="mw-cite-backlink"><a href="#cite_ref-Reza_3-0">↑</a></span> <span class="reference-text"><span class="citation book">Reza Sadeghbeigi (2000). <i>Fluid Catalytic Cracking Handbook</i> (2nd izd.). Gulf Publishing. <a href="/wiki/International_Standard_Book_Number" class="mw-redirect" title="International Standard Book Number">ISBN</a> <a href="/wiki/Posebno:Tra%C5%BEi_ISBN/0-88415-289-8" title="Posebno:Traži ISBN/0-88415-289-8">0-88415-289-8</a>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Fluid+Catalytic+Cracking+Handbook&rft.aulast=Reza+Sadeghbeigi&rft.au=Reza+Sadeghbeigi&rft.date=2000&rft.edition=2nd&rft.pub=Gulf+Publishing&rft.isbn=0-88415-289-8&rfr_id=info:sid/en.wikipedia.org:Krekovanje_(hemija)"><span style="display: none;"> </span></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Spoljašnje_veze"><span id="Spolja.C5.A1nje_veze"></span>Spoljašnje veze</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Krekovanje_(hemija)&veaction=edit&section=3" title="Uredi odjeljak Spoljašnje veze" class="mw-editsection-visualeditor"><span>uredi</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Krekovanje_(hemija)&action=edit&section=3" title="Uredi kôd odjeljka Spoljašnje veze"><span>uredi kod</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://science.howstuffworks.com/oil-refining5.htm">Krekovanje u preradi nafte</a></li> <li><a rel="nofollow" class="external text" href="http://canadaconnects.ca/chemistry/10105/">Krekovanje ugljovodonika</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20070427111502/http://canadaconnects.ca/chemistry/10105/">Arhivirano</a> 2007-04-27 na <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine-u</a></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="" lang="sh-Latn" dir="ltr">Izvor: <a dir="ltr" href="https://sh.wikipedia.org/w/index.php?title=Krekovanje_(hemija)&oldid=41357132">https://sh.wikipedia.org/w/index.php?title=Krekovanje_(hemija)&oldid=41357132</a></div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Posebno:Kategorije" title="Posebno:Kategorije">Kategorije</a>: <ul><li><a href="/wiki/Kategorija:Organske_reakcije" title="Kategorija:Organske reakcije">Organske reakcije</a></li><li><a href="/wiki/Kategorija:Hemijski_procesi" title="Kategorija:Hemijski procesi">Hemijski procesi</a></li><li><a href="/wiki/Kategorija:Prerada_nafte" title="Kategorija:Prerada nafte">Prerada nafte</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Sakrivena kategorija: <ul><li><a href="/wiki/Kategorija:Webarchive_template_wayback_links" title="Kategorija:Webarchive template wayback links">Webarchive template wayback links</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" lang="sh-Latn" dir="ltr"> <ul id="footer-info"> <li id="footer-info-lastmod"> Ova stranica je posljednji put izmijenjena 31. decembra 2022. u 02:40.</li> <li id="footer-info-copyright">Tekst je dostupan pod licencom <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-ShareAlike</a>; mogu se primijeniti i dodatni uslovi. 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