Since 1972, Kappes, Cassiday & Associates (KCA) has provided process metallurgical services to the international mining industry. 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 its heap leach expertise, KCA's staff includes experienced professionals with design capabilities in a wide range of metallurgical processes, such as: a complex acid leach process for a Bolivian silver project, a SART process (Sulfurization, Acidification, Recycling and Thickening) for a Mexican copper-gold project, and multiple HPGR (High Pressure Grinding Roll) processes around the globe.
While primarily known for its heap leach expertise, KCA's staff includes experienced professionals with design capabilities in a wide range of metallurgical processes, such as: a complex acid leach process for a Bolivian silver project, a SART process (Sulfurization, Acidification, Recycling and Thickening) for a Mexican copper-gold project, and multiple HPGR (High Pressure Grinding Roll) processes around the globe.
Services
Kappes, Cassiday & Associates not only provides clients with accurate testing services and feasibility studies, but KCA is also well equipped to follow up these studies with construction management. This is because at the end of the day we fully expect to provide detailed engineering packages and construction management services based substantially on those initial endeavors.
KCA designed, engineered, and was the general contractor on the Hog Ranch, Nevada, 4000 ton/day heap leach shown in the photo above. KCA provided all process installations and infrastructure at this remote site, including a man-camp and water and power supply systems. KCA also provided the most important aspect of a heap leach system - the design of the heaps and the solution application methodology.
Since 1972, Kappes, Cassiday & Associates (KCA) has specialized in the metallurgical treatment of gold and silver ores. KCA's laboratory typically completes process development test work on over 100 different projects each year. KCA always provides a logical, down to earth approach to metallurgical testing and in many cases sets the bar for current industry standards.
KCA' s laboratory facility is home to one of the very few pilot scale high pressure grinding roll (HPGR) units in North America. The ThyssenKrupp Polycom PILOTWAL HPGR unit is capable of producing between 6 and 8 tonnes of crushed product per hour and can be used to define both operational parameters as well as sizing for full-scale production units.
KCA's Procurement Services Division is managed by Jim Estes and provides purchasing services for operations throughout the world. Purchasing personnel which are technically oriented and familiar with the terminology of the process industries. Do you need specific equipment for your current operation?
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