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HomeMiningServices for Industry ChallengesAdvances in TechnologyCyanide RecoveryHannah Process
SGS is the world leader in cyanide recovery technologies. The innovative new Hannah Process for cyanide recovery, developed in SGS laboratories, effectively addresses both of these concerns.
The Hannah Process is particularly well suited to the recovery of copper cyanide, and can be applied to cyanide in solutions or pulp. The process uses a strong base resin technology to extract free cyanide radicals as well as metal-cyanide complexes from gold tailings. The process offers a number of important benefits including:
Contact SGS early in the planning and proposal stage of your gold recovery operation. We offer a number of cyanide recovery solutions to improve your bottom line while meeting safety and environmental regulations. Allow our technical experts and chemists to work along with you to decide if the Hannah Process is a viable option for your gold processing flowsheet.