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How to remove precious metals from circuit boards?

Date:2015-11-12 13:48:55 / News

circuit board recycling equipment

Circuit board recycling equipment

Our circuit board recycling equipment re are used to recycle all kinds of Printed Circuit boards, such as the computer boards, cell phone boards, TV boards, aluminum-plastic boards, and other household appliances.
How to remove precious metals from circuit boards?

circuit board recycling machine

                                                                            Circuit board recycling equipment working process

1.Generally, it goes first crusher, second crusher, air separator,high electrostatic separator,or gravity separator, you can also get different metals separately, such as: copper, tin, and other precious metals (gold, silver, etc.) from our mixing metals.
2.Because of the special physical characteristics of E-waste circuit boards, our equipment are adopt the dry-type grinding and separating technique to recycle and reuse.
3.The printed circuit boards will be separated into metal powder and resin fiber powder. First, the waste circuit boards will be crushed into small pieces, then will be grinded into the powder mixture of metal and resin fiber. The mixture will be completely separated via pulse air flow separation to get 97% mixed metal powder.
4.Finally, the rest mixture powder will go into the high voltage electrostatic separator, the purity can be up to 99.9%, and the impulse dust catcher is approached to efficiently prevent the dust pollution.

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