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

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 production of cement at Holcim in Lägerdorf, Schleswig–Holstein/Germany. A total of forty-two students, along with their professors and supervisors, came from the RWTH of Aachen, the Technical University of Freiburg and the Technical University of Koblenz to take...