Gold CIL & CIP Plant

Gold CIL & CIP Plant — High-Recovery Cyanidation

Carbon-in-leach (CIL) and carbon-in-pulp (CIP) are the industry-standard routes for recovering gold from finely milled ore by cyanidation.

How CIL / CIP works

Leaching + Carbon Adsorption in One Circuit

In a CIL plant, cyanide leaching and carbon adsorption happen in the same tanks. In a CIP plant, leaching precedes adsorption. Both recover dissolved gold onto activated carbon.

Leaching tank in gold CIL plant

Large leaching capacity

Xinhai designs CIL/CIP tanks up to 20 m × 20 m. Gold CIL recovery can reach 99% when the ore and circuit are matched correctly.

  • Dual-impeller leaching and agitation tanks
  • Carbon handling and elution system
  • Electrowinning and refining of gold
Elution system for gold recovery

From loaded carbon to doré

After adsorption, gold is stripped from carbon in an elution system, recovered by electrowinning and smelted. We supply elution systems from 200 kg to 3,000 kg.

  • Elution and regeneration circuits
  • Electrowinning cells
  • Gold room design and layout
Reference

Gold CIL / CIP Plant in Service

We have delivered gold carbon-in-pulp plants for large-scale operations.

ProjectCountryScope
Kyrgyzstan gold CIP plantKyrgyzstan4,000 t/d gold carbon-in-pulp plant
Guinea gold processing plantGuinea15,000 t/d gold processing EPC

Design Your Gold CIL Plant

Send ore characteristics and recovery target for a CIL/CIP circuit proposal.

Talk to an Engineer