Sensor-Based Ore Sorting Technology in Mining—Past
Sensor-Based Ore Sorting Technology in Mining—Past, Present and Future . by Christopher Robben 1,* and Hermann Wotruba 2. 1. Tomra Sorting Solutions Mining, Feldstrasse 128, 22880 Wedel, Germany. 2. AMR Unit of Mineral Processing, RWTH Aachen University, Lochnerstrasse 4–20, 52064 Aachen, Germany * Author to whom correspondence should be addressed. Minerals 2019, 9(9), 523;