The utilization value of precious metal secondary resources is increasing, mainly because: Humans have produced a large amount of precious metals (gold, silver, platinum, palladium, rhodium, iridium). Precious metal resources are scarce, especially gold and silver industry reserves are less. The content of precious metals is much higher than that of the original ore, generally hundreds of times more. Gold production, consumption and main application areas. The gold content in e-waste is much higher than that of the original ore, generally hundreds of times more. The recovery from it is much lower than the extraction cost from the original ore, and the economic benefit is very obvious. The grade of electronic waste waste generally ranges from 800 to 1500 grams per ton, that is, 0.8 to 1.5 grams of gold can be extracted per kilogram of waste.
The waste circuit board recycling production line adopts electric heating or liquefied gas heating, and the internal temperature is turned to 120 ℃, the tin on the circuit board will melt, and the electronic components will fall off the circuit board with the operation of the host. Circuit board dismantling equipment production line Our company has recently developed a new generation of automatic dismantling machine for PCB components. This equipment has a high degree of automation and replaces personnel dismantling. The land area is small.
The gold content in e-waste is much higher than that in the original ore, generally several hundred times more. The cost of recovering from it is much lower than that of extracting it from the original ore, and the economic benefit is very obvious. In addition, the exterior materials and interior metal components of many waste electronic products can be reused, generating great value. So, a lot of e-waste is a small gold mine.
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