The renaissance of European mining is dependent not only on strategic economic policy, but also on the competitiveness of the technological base. Innovative research projects with high industrial participation and ...
The steinexpo is now grown up out of the testing stage and also the exhibitors are expecting a further growth on success. The trade fair is held in a three-year cycle. By means of impressive live...
Since October 2009, the former Humboldt Wedag Coal & Minerals Technology GmbH has been part of McNally Bharat Engineering Company Ltd. (AT INTERNATIONAL reported in its 03/2010 edition, see p. 33)....
1 Introduction
Today, copper is as much an essential part of life as the air that we breathe. Without copper there would be no electric light, no telephone, no cars and no computers. There is...
Christian Pfeiffer Maschinenfabrik GmbH developed the ultrafine classifiers ROC and U-ROC designed to produce industrial minerals. Christian Pfeiffer specializes in the design of efficient...
On 25 and 26 June 2018, the first European Mineral Processing and Recycling Congress (EMPRC) was held in Essen/Germany. The kick-off event, an all-round success, was organized by the GDMB Society of...
On 15 June, 1858, Eli Whitney Blake of New Haven was granted US patent No. 20 542 for a ‘machine for crushing stone’. A magnificent design that was well-ahead of its time. Since then, apart from small...
In March this year, the first “European” Bell B60E went into operation at Schiewe Steinbruchbetriebe, a quarrying company in Lemgo/Kirchheide/Germany. The four-wheel-drive two-axle ADT works as a...
Influence of the sand grain shape on the working properties of SCC mortars
1 Introduction
Crushed sands are usually a by-product of the production of ballast and chippings, accounting for up to 20% of the yield. With simple comminution methods, crushed sands with a fine...
The VSI concept is simple and applies impact loading, necessary for the production of high quality aggregates for asphalt and concrete. But the VSI does not live up to its expectations in its traditional configuration with shoes and anvils, which is a very ...
