Method of obtaining protected against caking ultrafine ­fractions of rain raw materials such as chalk, gypsum, limestone, and ­system for this method execution

Nearly 40 experts accepted the invitation from Norbert ­Peschen (Fig. 1), General Manager of the Vereinigte Kreidewerke ­Dammann KG, to attend the Chalk Workshop in ­Sagard on the island of Rügen...

1 Chalk as cement raw material As regards conventional carbonate rock (limestone, marl), problems of quarrying and preparation are only dealt with in passing. Meanwhile there are proven standard...

Although modern students are accustomed to working with the latest high-tech equipment, those attending the ZKG student excursion had come to learn in greater detail about chalk and, above all, the...