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NewsHome > News >

What is the value of the gold circuit extraction equipment for waste circuit boards?

Time:2020-05-05 11:43 Author:Suny Group

With the development of science and technology, almost everyone now has at least a mobile phone, and when some mobile phones have not been scrapped, everyone does not like to use it, so it is faster to update. Many people do n’t know that used mobile phones are actually very valuable. A ton of used mobile phone circuit boards contain 13% copper, 0.045% gold, and other metals such as iron, palladium, and lead. These are very valuable. What is the value of the waste circuit board gold extraction equipment? What is the process?

Gold Deplating System
Gold Deplating System

The waste circuit board gold extraction equipment is used to sort and refine precious metal gold, silver, palladium and platinum from electronic waste containing precious metal chip components and anode slime. Technological process of gold extraction equipment for waste circuit boards: chips that cannot be returned after disassembly, north-south bridges, storage chips, integrated circuits, and plastic field effects are all components with the highest gold and silver content in the components that conform to the unified treatment and can be used for adding ozone Roasting (ozone can completely destroy the harmful smoke formed by combustion). Roasting slag adopts solvent carrier, leaching copper, lead tin, hydrochloric acid medium to extract gold, platinum and palladium, extract gold, platinum and palladium.

For the chip capacitors with high silver and palladium, the silver palladium is independently extracted by the acid method. For the gold-plated circuit boards and plug-ins, it is recommended to use a fluorine-free environmental protection gold-removing agent to quickly strip the gold. For silver-containing and palladium-based acoustic surfaces, metal encapsulated transistors, and integrated circuits, the metal shell is removed by a special cutting machine. After punching out the chip, valuable metals are extracted according to the chip and integrated circuit solutions. , After smelting, metal aluminum is directly smelted. Valuable diodes, partial varactor diodes, and other glass-encapsulated components, plastic-encapsulated light-emitting tubes are crushed and crushed to extract valuable metals. Produce electrolytic copper, palladium-containing circuit board (double-sided circuit board basically contains palladium, palladium as a copper-plated substrate contained in the guide hole as a wire) and then palladium is leached with acid, and then extracted to extract palladium.

Product features of waste circuit board gold extraction equipment: 1. Wastewater can be discharged up to standard after treatment. 2. The recovery rate of precious metals such as gold, silver, palladium and platinum can be as high as 97-99%. 3. The purity of precious metals can be as high as 99.99%. 4. The operation process is highly automated, saving labor costs. 5. The treatment process is short, and the fluorine-free environmentally friendly hydrometallurgical process is adopted to reduce environmental pollution.

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