One technology uses inorganic oxides modified with polymeric polyamines. These compounds are used as antiseptics in the disinfection of facilities and water purification. The resulting sorbent effectively extracts rare earth elements and can be used in a variety of industries.
Another method uses sawdust, an environmentally friendly waste product that is abundant in the industry. Once modified, their surfaces become capable of effectively removing large amounts of noble and rare earth metals.
The production process of sorbents does not require special chemical preparation and can be organized under various conditions. Advances make it possible to create materials with certain properties.
Source: Ferra
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