The high-tech strategy of the German government has challenged the small- and medium-size enterprises (SMEs) in Germany, encouraging them to focus on their own home-grown innovations. SMEs are some of...
A new sand washing plant for Reddal Sand has resulted in a significant improvement in the quality of the sand being produced at their site in the South of Norway. Reddal Sand is located in Grimstad,...
Metso have developed the first fully recyclable modular screening media – Metso Trellex LS-Eco (Fig.). In response to customer requests for sustainable and environmentally-friendly screening media...
The latest development from Kormann Rockster Recycler GmbH combines the optimum dimensions of compact crushers with technical finesses usually only found in larger crushers. The new crusher also...
During the Wirtgen Group Technology Days in September 2011, some 3600 guests enjoyed an exceptional programme around the theme of recent innovations by Wirtgen, Vögele, Hamm and Kleemann. This...
A good year after the market launch of the new generation of mobile impact crushers, the plants have since been used for the most diverse applications the world over. In terms of performance and fuel...
The moulded rubber belt pockets from REMA TIP TOP Material Handling GmbH without ceramic liners are already established on the market. For the transport of sharp-edged, coarse or fine-grained...
Metso’s Mining and Construction Technology introduces the Metso C120 jaw crusher – the 13th member of the field-proven C-series range of crushers (Fig.). Metso’s C120 combines reliability,...
At this year’s Steinexpo 2011, dsb Maschinenbau GmbH, the Austrian machine engineering company based in Linz, presented the INNOCRUSH 30, which is equipped with an even longer main discharge...
Gravity concentration kinetics of red sediment placer minerals
1 Introduction
Gravity concentration is one of the oldest mineral beneficiation processes which has evolved over the decades and continues to play an important role in modern mineral processing...
