Since 1972, Kappes, Cassiday & Associates (KCA) has provided process metallurgical services to the international mining industry. KCA has a total staff of 80 people, including 35 in our process development laboratory and 25 process engineers. KCA specializes in all aspects of heap leaching, cyanide processing, laboratory testing, project feasibility studies, engineering design, construction, and operations management. 

​While primarily known for their heap leach expertise, KCA’s staff includes experienced professionals with design and fabrication capabilities in a wide range of metallurgical processes, such as: a complex acid leach process for a Bolivian silver project; the SART process (Sulfurization, Acidification, Recycling and Thickening) for copper-gold ores; the development of a unique and complete flowsheet for producing battery-grade manganese sulfate, manganese dioxide, copper, silver and zinc from a very complex ore in Peru; complete  and multiple HPGR (High Pressure Grinding Roll) processes around the globe; and five different automatic pressure filtration plants for leach tailings up to 4,500 tonnes/day. KCA’s headquarters occupies a 3800 square meter building in Reno, NV.

​Florin Analytical Services, part of the KCA group, operates as an independent commercial analytical lab, providing high quality, reliable assays.