Non-cyanide gold recovery: what actually changes on the line
Last reviewed: 10 June 2026
Most operators we talk to assume non-cyanide gold chemistry means a yield penalty. In practice, the modern formulations close most of that gap — the bigger differences show up in handling, effluent and permitting.
Where the chemistry differs
Cyanide leaching is fast and forgiving across a wide range of feedstocks. Non-cyanide systems are more selective, which is an advantage on mixed e-waste but means feed preparation matters more. Consistent particle size and a clean surface (free of coatings and oils) do more for yield than reagent dosing.
What changes in the effluent stream
- No cyanide destruction step — you remove an entire treatment train.
- Spent liquor is easier to precipitate and clarify.
- Discharge testing simplifies, which shortens your compliance reporting.
The line changes that matter
Expect to revisit dosing control, dwell time and the precipitation step. Operators who treat the switch as a drop-in replacement are the ones who see a yield dip; operators who re-tune the line recover it within a few batches.
If you are evaluating a switch, send us your feedstock profile and current yield — we will model the expected recovery before you commit.