GOLD RECOVERY

摘要

The cost of precious metals, such as gold, makes recovery or recycling of these materials economically viable and desirable. Disclosed herein is a method of recovering gold from waste sources thereof, in particular waste electrical goods. Also disclosed herein is an apparatus for recovering gold from said waste sources. In particular, disclosed herein is a method and apparatus in which gold leaching chlorine gas is generated externally to a reactor vessel and subsequently pumped into the reactor vessel comprising the waste gold materials.

主权项

1. A method of extracting gold from a substrate comprising gold, the method comprising the step of:
delivering chlorine gas to a vessel containing the substrate comprising gold, the vessel comprising a vessel inlet through which the chlorine gas is delivered and a vessel outlet, such that the chlorine gas, the substrate comprising gold and moisture present in the vessel interact to provide a gold solution which may be recovered from the vessel via the vessel outlet.