steinexpo 2023

Highlights at steinexpo 2023 including follow-up reports

Issue 07-08/2010

New model

Analysis and simulation of hydrocyclone performance with an advanced model of the Tromp curve

1 Introduction Growing demands for product quality in the minerals industry are of greater importance than ever and a growing challenge for all producers. The first step in mineral processing is...

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Issue 07-08/2010

New establishment – well-tried

On 2 October 2009 a new business was established in Hamelin/Lower Saxony – SKG-Aufbereitungstechnik GmbH. This was a bold step at a time when companies have been disappearing from the market due to...

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Issue 07-08/2010

Trends and Technologies

For the third time experts at companies from recycling economy and plant engineering, planning offices, universities, administration, associations and other institutions met in Berlin on 4th and 5th...

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Issue 07-08/2010

The world in Nuremberg

POWTECH/TechnoPharm 2010 and WCPT6, Nuremberg/Germany, (26./27.–29.04.2010)

This year’s organization of the three highly international events – POWTECH, TechnoPharm and the World Congress on Particle Technology (WCPT6) – in parallel made the Exhibition Centre Nuremberg...

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Issue 06/2010

Smooth and abrasion-proof

Rubber components for conveying and processing minerals

1 Rubber as a Material for Conveyor Lines The processes involved in the extraction and processing of sand and gravel make tough demands on the pipelines and fittings used for conveying the materials....

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Issue 06/2010

Environmentally friendly

Muldenhütten Recycling und Umweltschutz GmbH operates state-of-the-art plant for recycling lead-acid batteries and lead-containing waste

1 Introduction The global production of refined lead (commercial lead) totalled around 8.03 mill. t in 2006 and had therefore more than doubled compared to 1970 [1]. With 330 000 t (2006), Germany...

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Issue 06/2010

Gypsum under control

Gypsum constituents in recycled concrete – origin, effects and removal by jigging, part 1 

1 Introduction Gypsum is a building material that is used in interior finishing work as plaster, floor screed and in the form of panels. Gypsum building materials are characterized by their simple...

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Issue 06/2010

On-target fine crushing of limestone

At the production facilities of the Trollius, a lime and ballast supplier in the Upper Palatinate region of Germany, both an efficiently operating plant control system and reliable process...

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Issue 06/2010

Reduced emissions and three times longer service life

Extracting limestone and processing quicklime products for various sectors of industry form the portfolio of the Wuppertal-based company Oetelshofen Kalk. 75 % of its products are supplied by road or...

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