{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T08:25:00Z","timestamp":1789806300668,"version":"4.0.1"},"reference-count":22,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2022,2,10]],"date-time":"2022-02-10T00:00:00Z","timestamp":1644451200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>ORLEN Unipetrol\u2019s Steam Cracking unit processes a wide range of hydrocarbons from gases to heavy oils produced in refinery processes. Due to the heavy feedstock, the Steam Cracking unit can produce very valuable hydrocarbons such as cyclopentadiene and dicyclopentadiene in addition to ethylene, propylene and benzene. These hydrocarbons can be obtained and used as very profitable monomers for many other chemical applications. ORLEN Unipetrpol, in cooperation with the University of Chemistry and Technology in Prague, has developed a technology for the isolation of technical dicyclopentadiene of both medium purity grades and high purity grades. Making DCPD grades will add considerable value to the raw C5 by-product stream from the Steam Cracker pyrolysis gasoline. The capacity of the new existing DCPD unit is expected to be in the range of 20\u201326 thousand metric tons per year, depending on the derivative product portfolio and purity of the DCPD. The construction of the unit started in September 2020, and production is expected to be launched in the second half of 2022.<\/jats:p>","DOI":"10.3390\/polym14040667","type":"journal-article","created":{"date-parts":[[2022,2,11]],"date-time":"2022-02-11T02:35:51Z","timestamp":1644546951000},"page":"667","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["New Technology for Production of Dicyclopentadiene and Methyl-Dicyklopentadiene"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5587-3317","authenticated-orcid":false,"given":"Tom\u00e1\u0161","family":"Herink","sequence":"first","affiliation":[{"name":"ORLEN Unipetrol RPA, Z\u00e1lu\u017e\u00ed 1, 436 70 Litvinov, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Petr","family":"Ful\u00edn","sequence":"additional","affiliation":[{"name":"ORLEN Unipetrol RPA, Z\u00e1lu\u017e\u00ed 1, 436 70 Litvinov, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1247-5965","authenticated-orcid":false,"given":"Ji\u0159\u00ed","family":"Krupka","sequence":"additional","affiliation":[{"name":"Faculty of Chemical Technology, University of Chemistry and Technology, Technick\u00e1 5, 166 28 Prague, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Josef","family":"Pa\u0161ek","sequence":"additional","affiliation":[{"name":"Faculty of Chemical Technology, University of Chemistry and Technology, Technick\u00e1 5, 166 28 Prague, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,2,10]]},"reference":[{"key":"ref_1","first-page":"1107","article-title":"Dicyclopentadiene and Its Derivatives in Chemical Industry","volume":"102","author":"Krupka","year":"2008","journal-title":"Chem. 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