Graphene: A new way to efficiently extract gold from e-waste

      #Industry ·2024-09-26

      With the rapid development of science and technology, the speed of upgrading of electronic equipment is getting faster and faster, followed by a large number of electronic waste disposal problems. These electronic wastes not only contain harmful substances, but also contain rich precious metal resources, such as gold. Traditional gold recovery methods are often inefficient and environmentally harmful. However, a new study shows that graphene, a magical two-dimensional material, could be the key to solving this problem. Graphene, a two-dimensional material made of a single layer of carbon atoms, has attracted much attention because of its unique physical and chemical properties. It has extremely high electrical conductivity, thermal conductivity and mechanical strength, which makes it potentially useful in many fields. Recently, researchers have found that graphene can be used to efficiently extract gold from electronic waste. In this study, the scientists took advantage of graphene's high adsorption properties to chemically transform it into a special adsorbent. This adsorbent is able to selectively bind to gold ions, enabling the separation of gold from other components in the e-waste. This method not only improves the extraction efficiency of gold, but also reduces the pollution to the environment. The researchers note that this application of graphene has great potential, as it could be used not only for the extraction of gold, but also for the recycling of other precious metals, such as silver and platinum. This will help reduce the exploitation of natural resources while providing a more environmentally friendly and economical solution for the disposal of e-waste. In addition, this application of graphene may also promote the development of related industries, such as e-waste recycling and precious metals markets. With the continuous progress of technology and the reduction of cost, the application prospect of graphene in the field of electronic waste recycling will be more and more broad.

      As a new material, graphene's potential in e-waste treatment and precious metal recycling has begun to emerge. With the deepening of research, we have reason to believe that graphene will make greater contributions to environmental protection and resource recycling in the future.

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