Circuit board recycling is preferred to disassemble the components on the surface, and then the remaining circuit board is broken into a small piece of about one centimeter, and then crushed, and then through electrostatic and air separation equipment, the copper powder and tree powder are separated, you can get relatively pure copper powder, copper powder after electrolytic process treatment becomes electrolytic copper, that is, pure copper. It can be used directly. Gold in the circuit board generally exist in the CPU motherboard, want to extract gold, need professional gold plating potions, back back - reduction after get coarse gold plating, then coarse gold electrolysis process of high purity gold, can be sold.
Recycle tin from the circuit board:
1, there is a centrifugal tin method is to use a heating centrifuge, put the PCB on the centrifugal rack, heating to about 270 degrees Celsius, start the centrifugal rack high-speed rotation, the tin is thrown to the wall of the barrel, after cooling the tin is scraped off the wall of the barrel, put into the tin furnace heating, and add tin oxide reducing agent in the tin furnace, after melting through stirring, filtering impurities, casting into crude tin ingots. Available for sale and further processing.
2, in fact, waste PCB has a variety of precious metals can be recycled, such as copper (high content, only will be inferior to tin), gold, silver, nickel, palladium and so on. After recycling tin, you can continue to recycle other metals.