Galdieria sulphuraria acuf427 freeze-dried biomass as novel biosorbent for rare earth elements

HIGHLIGHTS

SUMMARY

    Biosorption represents an environmentally friendly, more effective, and more economical alternative to conventional metal recovery methods, i.e., pyrometallurgy and hydrometallurgy, as it uses biodegradable biosorbents that can be easily produced in high quantities. Among macroalgae, seaweeds are considered powerful biosorbents, since they contain several binding_sites such as carboxyl, amine, and 8 of 10 hydroxyl groups able to link cations of metallic species present in solution; the authors of_[30,31] evaluated the rapid and efficient biosorption capacity of Sargassum towards Eu, Gd, La, Nd, Pr, and Sm. In this study, the removal of . . .

     

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