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The establishment of more and more Circuit Board Recycling plants provides the final place for a large number of waste circuit boards, and can also better protect the environment and their own health.
There are various chips, capacitors, polar tubes and other parts on the circuit board, which can be recycled.At the same time, there are gold-plated plate, tin solder, copper skeleton and other metals.The main process of its recycling is as follows:
1. Procedure A: Recycling all kinds of chips, capacitors and electrode tubes.
Step 1: Heating: Put the circuit board on the coal stove to heat until softened;
The second step: extraction: extraction of various chips, as well as capacitors, electrode tubes and other electronic components;
Step 3: Classification: Classify various chips and electronic components;
2. Procedure B: Extraction of solder.
Step 4: Heat: Place the circuit board with all chips and electronic components removed on a stove separated by an iron plate or a pan.The solder, such as tin, is melted and dripped onto a pan or plate, where it is collected, melted and sold.
3. Process C: Gold extraction: (mainly in the suburbs, where this type of production is extremely hidden at present)
Step 5: Acid bath: all kinds of things on the circuit board have been removed, such as the gold-plated part of the circuit board, it will be put into a strong acid solution;
Step 6: Reduction: the gold in strong acid is reduced to low purity gold;
Step 7: Heating refining: the low purity gold is further purified to produce higher purity gold;
4. Process D: Extraction of copper.
Step 8: Collect: Collect copper-containing circuit boards that have removed all appendages.
Step 9: transfer and smelting: transfer to Qingyuan for blast furnace smelting, smelting into low quality copper alloy;
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.