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Introduction
The InLine Leach Reactor (ILR) has been developed by Gekko Systems for the purpose of optimising the recovery of gold from high grade concentrate streams. Current practice of upgrading cons using tables or other gravity devices is labour intensive, has significant security risks and very low recovery rates.
The ILR is designed to operate in conjunction with a distributed control system (DCS) or as a stand alone unit with minimal operator input. The unit is designed on a skid base with an integrated control system. As a result, on-site construction is minimal. The dimensions of the ILR are small allowing it to be placed in a convenient position close to the discharge of gravity concentrates. All solid and liquid waste products can be pumped back to the grinding circuit or removed if tramp steel or other "nasties" are present. The pregnant solution is pumped to the gold room. Spent solution from the electrowin cell is recirculated back to the Reactor feed.
The move away from inefficient multistage gravity treatment of concentrates has been slow. These systems are generally complicated with screening, secondary concentration of table tails and magnetic separation in order to achieve high recoveries. Every step in the upgrading of concentrates also increases the potential for losses (entrained gold in magnetics etc.
There are currently over 100 ILRs in operation around the world treating a variety of minerals. For a comprehensive list click here to see the installations page.
To download the Gekko Hardware brochure click here 
To download the InLine Leach Reactor brochure Click Here
