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Sepro Leach Reactor (SLR)

The Sepro Leach Reactor is a high yield processing solution designed to drastically improve mineral recovery from gravity concentrate. Combining long-term production value with low operating costs, the SLR is installed after concentration in a circuit to maximize gravity treated ore. Extensive test work of the SLR on site has shown over 99% of the target mineral is recovered through a simple, fully automated process that is easily incorporated into recovery operations.

Sepro designs and supplies complete, customizable recovery circuits incorporating leaching, gravity concentration, and electrowinning based on project requirements.


Falcon has the knowledge to assist with a variety of gravity circuit designs. The use of high gravitational fields (up to 300 Gs), large capacities and small footprints enable the units to recover very fine liberated metals and minerals and make efficient separations, even when other gravity processes are unsuitable.

A continuous series, which consumes no additional process water, is used for recovering fine metals and minerals from tailings (flotation or leach), or pre-concentrating of plant feed (either fresh ore or old tailing dumps). The continuous concentrators have been installed for recovering lead, tin, tantalum, gold, silver, coal, iron ore and their associated minerals.

Falcon also offers a semi-batch (SB) series (normally operating >99% of availability) for the recovery of precious metals (Au, Ag and Pt) from process streams with fully automated concentrate discharge cycles. This series of equipment is used for recovering a fraction of the feed mass as a high-grade concentrate.

Significant advantages over competing equipment are lower capital, operating and maintenance costs.


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