TESTS CONFIRM THE EFFECTIVENESS OF THE ORE SORTING IN THE SILVER MINE
The trial processing of ore from the Silver Mine with Outotec-Tomra´s XRT ore sorter increased grade- and metalcontents in plant feed remarkably. Silver content from low-grade ore samples increased about 1.9 times and of average silver-ore 1.43 times.The silver recovery from low-grade ore-samples was 88 % and for average ore-grade samples 89 % (see table below). The tests were performed with coarse ore material (30-70 mm) which forms ca 70% of the crushed ore. The fine fraction (< 30 mm) is included in the test results and will be a part of the plant feed.
Tabel:
About 60%