Research and application of a Knelson concentrator: A ...
2020-6-15 · The total gold recovery was 92%, and the gold recovery of the gravity circuit was 57–62% (Chen et al., 2017). The second type involves KCs installed following the cyclone to recover free gold from the underflow, and the overflow of the cyclone was treated by flotation to recover copper, lead, zinc, and other metals one by one.