Xinhai EPC provides services of sample test, mine design, equipment manufacture, etc. for clients, and solves the common problems in plant construction such as budget over-run, schedule delays, unqualified equipment, unclear recovery benefit, disputes of the manufacturers, and unclear responsibility of after-sale service.
Manufacture more than 600 kinds of equipmemt used in mining,ore dressing and metallurgy,and provide full sets of main and auxiliary equipment for mine less than 10000 tons/day capacity.
Large Scale Gold Refining By the Aqua Regia Acid Method
Get everything you need to clean and polish your metals here.The filter and sludge are washed with repeated small amounts of water to wash allMost jewelry alloys contain silver and the aqua regia dissolves the gold and otherPlastic,not metal pumps should be used,as the acid fumes from aqua regia filtering.