How to remove gold from circuit board Gold recycling(2)
To undertake the other article:How to remove gold from circuit board Gold recycling(1)
The second,Removing gold using fire
Get protective gear. Be sure to wear a face mask, safety glasses, and industrial gloves to avoid breathing in the fumes released by the burning plastic. Use steel tongs to turn over the burning circuit boards.
Get a metal bin or tray, and put the circuit boards into it. Break the boards into smaller pieces so they burn faster.
Light the boards on fire. Pour a bit of gasoline over the pieces to put the pieces on fire. Turn the burning pieces over using steel tongs, and wait until the boards are burnt black.In the industrial we can use the Carbide furnace to carbide the circuit boards and crush by the Grinder.
Put out the fire. Allow the pieces to cool down a little—just warm enough so you can touch them, but not too cooled down that the plastic hardens again.
Break off the pieces of plastic attached to the gold parts. The burning process should have made the board materials brittle and easy to break.
In the industrial,Use the aqua regia to dissolve the powders,and recycle the gold in the solution.
This is the sample method to recycle gold from circuit board at home.If you have many waste circuit boards,and want to turn the waste to wealth,For more details,please feel free to contact our sales manager Mr.Andy Wang