Method and process of ruthenium-containing waste recovery

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In today's increasingly scarce resources, the recovery of ruthenium-containing waste is particularly important. As a rare metal, ruthenium has been widely used in many fields, such as aerospace and electronics industry. However, with the increase of use, ruthenium-containing waste is also increasing, and how to effectively recycle these wastes has become an urgent problem to be solved.

There are many ways to recover ruthenium-containing waste, among which the more common ones are fire melting and hydrometallurgy. Each of these methods has advantages and disadvantages, and the choice of method depends on the composition of the waste, the purpose of recycling and environmental requirements. Among these methods, I think hydrometallurgy has high potential and development prospect.

Hydrometallurgy is the process of separating metals from ruthenium-containing waste by chemical reactions. This method has the advantages of good treatment effect and environmental friendliness. More importantly, with the progress of science and technology, the technology of hydrometallurgy is also constantly improving, making its recovery efficiency and purity have been significantly improved.

Taking a practical case as an example, a company successfully recovered high purity ruthenium from waste electronic products by hydrometallurgy. They first pretreated the waste to remove impurities, then added appropriate chemical reagents, and through a series of chemical reactions, the ruthenium was extracted in the form of soluble compounds. Finally, high purity ruthenium metal was obtained by precipitation and filtration. This successful case not only proves the effectiveness of hydrometallurgy, but also provides experience for other enterprises to learn from.

Of course, hydrometallurgy is not perfect. The process is relatively complex, and needs to consume a lot of chemical reagents and water resources. Therefore, in practical applications, we need to consider various factors comprehensively and choose the most appropriate recycling method.

In addition to the specific recovery methods, the recovery process of ruthenium-containing waste is also worthy of attention. In general, the recycling process includes the steps of waste collection, sorting, pretreatment, extraction and refining. Each step requires delicate operation to ensure recovery efficiency and product quality.

At the waste collection stage, we need to strictly classify and screen ruthenium-containing waste for subsequent treatment. The pretreatment stage is mainly to remove impurities and harmful substances in the waste to create conditions for subsequent extraction. The extraction stage is the key link, and the appropriate method needs to be selected according to the characteristics of the waste and the purpose of recycling. Finally, through the refining step, we can obtain a high purity ruthenium metal or compound.

To sum up, the recovery method and process of ruthenium-containing waste is a complicated and fine process. With the continuous progress of science and technology and the improvement of environmental protection requirements, we need to continue to explore and innovate recycling technology to achieve the effective use of resources and sustainable development of the environment. In this process, advanced technologies such as hydrometallurgy will play an increasingly important role.

  • by yuzi Published on 2024年5月24日15:00:14
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  • Ruthenium waste recovery