Our topic of the month...

... is sorting & screening.

Find here a collection of our best articles:

09/2018 A fine future

Flotation in times of circular economy and energy transition

Summary: The invention of flotation about 140 years ago was one of the great achievements of modern processing technology. For many metallic/mineral raw materials, processing without a flotation stage...


Always on top, despite “underground” – decanters in mining

M‌ining is part of the so-called mountain industry. This refers to the prospecting, tapping into and extraction of natural resources from the upper earth crust by using technical aids. When processing...


From junk pile to stockpile – X-ray dry sorting pilot trial1

Using X-ray sorter technology originally developed for waste recycling industries, NAC engineers are able to eject reject material from raw coal before it enters the coal preparation plant (CPP). NAC...


New momentum for sand processing

In the Lower Rhine gravel plant Rheinberg, by Lake Haferbruch, Heidelberger Sand und Kies GmbH & Co. KG – a HeidelbergCement brand – is producing a wide delivery range from gravel and sand for...


Precise separating Sensor-based sorting of quartz using multi-channel laser detection

Summary: The article describes TOMRA Sorting Mining´s latest multi-channel laser technology. It opens new opportunities for sensor based sorting applications in the mining industry. Minerals which...


Filter technology meets stone technology for optimized treatment of process water

Jogerst Steintechnologie works and shapes natural stone for a wide range of applications. Working stone is associated with a high input of process water. An effective and efficient treatment of the...