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Technical References · Process Engineering

The KCA Technology Library.

Detailed technical pages on every process, plant type, and engineering deliverable KCA produces — built for mining engineers and project teams who need real specs, not marketing fluff.
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Process & engineering deep dives.

Each topic page covers the technology in depth — scope, configurations, reference installations, related KCA equipment, and the engineering team behind it.

Process · Heap Leach
Heap Leach Plant Design & EPCM
KCA engineered the third heap leach in the world — 500+ projects later, we remain the heap-leach reference firm.
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Process · Gold Recovery
ADR Plant Design (Adsorption / Desorption / Recovery)
Adsorption · Desorption · Recovery — from KCA Model 15 modular skids to 3,200 m³/h site-built ADR circuits.
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Process · Silver & Gold Recovery
Merrill-Crowe Plant Design
Zinc-precipitation recovery for silver-rich and high-tenor solutions — from 30 m³/h modular to 4,772 m³/h site-built.
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Process · Agitated Leach
CIP / CIL Plant Design
Carbon-in-Pulp · Carbon-in-Leach — agitated cyanide leach plants for milled ores
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Laboratory · Bench & Pilot
Gold Cyanidation Testwork
Bottle roll · column leach · CIL · CIP — the testwork that drives heap-leach and milling flowsheet selection
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Laboratory · Comminution
HPGR Pilot-Scale Testing
ThyssenKrupp Polycom PILOTWAL — one of very few pilot HPGRs in North America
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Equipment · Hg Recovery
Mercury Capture Systems
Mercury retorts & carbon-bed scrubbers for the gold room — meet emission limits in every U.S. state and major foreign jurisdiction
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Equipment · Gold Room
Doré Bar Production
Tilting-crucible furnaces in three sizes — 23 kg / 45 kg / 84 kg gold concentrate per single charge
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Equipment · Modular
Modular Plants for Remote Mining Sites
74 modular plants delivered worldwide — wet-tested in Reno, shipped in containers, on-site in 8 weeks
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Service · Scale-Up
Pilot Plant Design & Operation
De-risk scale-up before capital commit — KCA pilots have produced real gold from real ore on four continents
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Service · Laboratories
Mine-Site Assay Laboratory Design
Modular and permanent on-site labs — engineered, fabricated, commissioned, staffed, trained
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Equipment · Gold Room
Gold Room Design
Integrated electrowinning · mercury retort · smelting · scrubbing — one engineered package
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Service · Engineering Studies
Feasibility Study Engineering
KCA bankable studies have an admirable track record for securing financing
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