Quality pays off


The “Warta” cement works (Fig. 1) with an annual production of 1.6 million tons of clinker is one of the biggest plants in Poland (Infobox 1). It is located in the small town of Tre˛baczew in the area of the Cracow/Wielun Jura (Figs. 2a and 2b). Since privatization in 1996, the Dortmund-based Polen Zement Beteiligungsgesellschaft GmbH is the owner of the cement works.


In 1996 it was decided to modernize line 5 by means of  a conversion from the wet to the dry process. Within the framework of this modernization the preheater tower was rebuilt (Fig. 3), a vertical roller...

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