How much precious metals in waste circuit board? How to recycle?

Most electronic products contain circuit boards inside that contain many types of precious metals, like copper, iron, lead, tin, nickel, antimony, gold, silver, platinum, cobalt etc, and the content of computer boards and mobile phone boards is relatively high.

Metals content in waste circuit boards

The EPA once listed some numbers on the staggering amount of precious metals we have in our electronics: Every 1 million mobile phones recycled, we can get about 16,000 kilogram of copper, 350 kilogram of sliver, 34 kilogram of gold, 14 kilogram of palladium, etc.

At present the metal in waste circuit boards have big demand in the market, especially copper, iron, lead and nickel, widely used in electric, light industry, machine manufacturing and other fields. so the recovery of circuit board is of great significance. Well, how to recycle the precious metals in waste circuit boards?

Recycle precious metals from waste circuit boards

Fire burning, chemical solution dissolving and mechanical process are the common method to recycle the precious metals from waste circuit boards, but in order to protect the environment and metal quality, I generally recommend using machines to process the waste circuit boards. Waste circuit board recycling machine is a frequently used machine in recent years.

Waste circuit board recycling machine has excellent comprehensive performance and is suitable for all waste printed circuit boards, such as the computer boards, cell phone boards, TV boards, copper-clad laminate, and other household appliances, and the leftover of the separation of mixed metals and nonmetal materials.

Waste circuit board recycling machine

Because of the special physical characteristics of waste circuit boards, our waste circuit board recycling machine adopts the dry-type crushing and separating technique to recycle the precious metals from waste circuit boards.

1. Use shredder and two crushers to smash the waste circuit boards into small particles;

2. Use an eddy-vibrating screen to control the size of particles - bigger particles will be stopped by the eddy-vibrating screen and sent back to the crusher for further crushing; the small enough particles will pass through the screen to the next step;

Working process

3. Use air separator and electrostatic separator to separate the precious metals and resin fiber according to their different gravity and conductivity with the 99% separating rate;

4. Use pulse and cyclone dust removal system to collect the dust with 99.5% dust collecting rate.

Henan Doing's environment-friendly and efficient waste circuit board recycling machine is favored by customers at home and abroad. If you want to recycle precious metals from waste circuit boards, and need waste circuit board recycling machine, welcome to contact us at any time.