Refining
The precious metals refining is an industrial process through which impurity present in alloys from goldsmith scrap material or minerals collection is chemically or electrochemically eliminated and metals with a high purity are collected.
Gold refining
Refining plants for gold by chemical way (by aqua regia or inquartation / nitric acid leaching) and by electro-chemical way (electrolysis).
Silver refining
Refining plants for silver by electolysis and by chemical leaching.
Balestri Technologies S.r.l.