Gekko Systems have advanced the science of intensive leaching by developing an innovative alternative to the traditional intensive leach systems of agitated tank and vat leaching. As leaders in the field, Gekko present mine site results and operational data for Australian and overseas mines. The Batch Inline Leach Reactor maintains the critical technical advantages of a rolling drum and reliable solution clarification while simplifying the equipment to a rolling drum, two tanks and a single pump. (C) 2003 Elsevier Science Ltd. All rights reserved.