sources . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . march 2011 learn how and when to remove this template message okk koksovny a.s. type joint stock company industry coking headquarters ostrava czech republic key people zden k dur k ceo products coke number of employees 720 2010 parent mtx koksovny a.s. website http www.koksovny.cz en the svoboda coking plant complex heating plant and the rail track in ostrava coal unloading for svoboda coking plant okk koksovny a.s. former names okd okk a.s. and ostravsko karvinsk koksovny akciov spole nost is the largest producer of foundry coke in europe . the company operates one plant in the city of ostrava called svoboda facility . history edit the production of coke in the ostrava area dates back to the 1840s . in 1843 a coking plant named jan later renamed president bene and then czechoslovak army was founded . it was later to become a part of okk . in 1952 the company okk was founded and all operating coking plants were merged under one head office having previously existed as separate state enterprises except for the metallurgical coking plants in the ostrava quarter v tkovice in the cities of t inec and kladno and the coking plant nov hu new smelting works founded in the same year . okk included the coking plants in ostrava svoboda jan verma karolina trojice czechoslovak army and lazy . in 1994 the joint stock company okd okk was established on 1 january 1994 by the allocation of okd a. s. assets . it became a wholly owned subsidiary of okd a. s. the annual turnover of the company was around czk 5.5 billion . the new enterprise was created by merging two mining coking plants located within the city of ostrava and one more plant located in the karvin region . in 2008 after property changes the new world resources plc company nwr became a new owner of the okd okk a.s. nwr is also the owner of the okd a.s. a hard coal mining company . currently 2011 the okk koksovny a.s. operates only one coking plant called svoboda facility . company products edit the main business of okk koksovny a. s. is the production of coke . the company produces coke from virtually all types of coal suitable for coking . coal is sourced from okd mines as well as from abroad . okk koksovny a. s. is the largest european producer of foundry coke . the firm offers a broad assortment of coke types for foundry and metallurgical manufacturing for special metallurgy heating and other purposes . it also sells chemical products from the high temperature coal carbonisation that takes place during the coking process . production edit data from 2010 achieved annual production of 1 005 500 tonnes of coke . of that 0.277 million tonnes was foundry coke 0.524 million tonnes was blast furnace coke 0.204 million tonnes was fuel and technological coke the coking process yields a number of by products that are important input materials in the chemical industry . coal gas is captured during the coking process with individual chemicals subsequently separated from the gas . okk koksovny a.s. offers its customers coke oven gas tar benzol ammonium sulphate solid sulphur in 2010 okk koksovny a. s. produced 408 mil . m3 of coke oven gas 31 500 tonnes of anhydrous tar 11 000 tonnes of raw benzol 7 300 tonnes of ammonium sulphate 800 tonnes of sulphur retrieved from https en.wikipedia.org w index.php title okk koksovny & oldid 659718204 categories power companies of the czech republichidden categories articles lacking sources from march 2011all articles lacking sources navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages e tina edit links this page was last modified on 28 april 2015 at 17 46 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view