Ruixin mining
Yes, every 100 grams of motherboard contains 0.03 grams of gold and 19 grams of silver, besides copper and palladium
many wastes contain precious metals such as gold, silver, platinum and palladium, but the contents are different. The common ones with high grade of precious metals and extraction value are waste electronic circuit boards. Such as waste computer board, telecom board, VCD board, TV board, etc
all kinds of gold-plated parts, such as aviation plugs, gold-plated plug-ins on various electrical appliances, gold-plated electronic components, electronic feet, gold-plated crafts, etc. All kinds of electroplating wastewater and sludge containing precious metals
as a complex of resources, e-waste contains many precious resources. The reuse and recycling of e-waste is an important way to solve the problems of resource shortage and environmental pollution
by improving the utilization rate of resources, turning waste into treasure, and giving full play to the role of various waste resources, including electronic waste, has become one of the ways to support the rapid development of China's economy and society
In foreign countries, e-waste treatment is a highly professional and technical work; However, in China's dismantling workshops, precious metals are often dissolved and extracted by strong acids, and the waste liquid is often discharged directly without any treatment. With the rapid accumulation of wealth, a large number of harmful substances are constantly released into the environment