Biomining, an environmentally sustainable method for extracting metals from both primary and secondary resources, has garnered significant attention in recent years. The success of biomining processes relies on the capabilities of microorganisms to produce biometabolites essential for converting solid metals into soluble forms. Among these biometabolites, siderophores, characterized as selective metal-chelating molecules, emerge as promising contributors to the field of biohydrometallurgy. This review explores the role of siderophores in biomining processes, focusing on their types, mechanisms, required conditions for production by microorganisms, and their potential to optimize metal recovery. Furthermore, previous studies utilizing siderophores for metals recovery from primary and secondary resources are reviewed, and various parameters and conditions affecting bioleaching by siderophores, such as pH, time, and siderophore concentration, are discussed. In conclusion, this review highlights the promising future of siderophore-driven biomining technologies. By understanding and using the capabilities of these molecules, researchers can pave the way for more sustainable and economically viable biomining technologies.

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Potential Application of Siderophores in Biomining: A Brief Review

  • Nazanin Bahaloo Horeh,
  • Farzaneh Sadri

摘要

Biomining, an environmentally sustainable method for extracting metals from both primary and secondary resources, has garnered significant attention in recent years. The success of biomining processes relies on the capabilities of microorganisms to produce biometabolites essential for converting solid metals into soluble forms. Among these biometabolites, siderophores, characterized as selective metal-chelating molecules, emerge as promising contributors to the field of biohydrometallurgy. This review explores the role of siderophores in biomining processes, focusing on their types, mechanisms, required conditions for production by microorganisms, and their potential to optimize metal recovery. Furthermore, previous studies utilizing siderophores for metals recovery from primary and secondary resources are reviewed, and various parameters and conditions affecting bioleaching by siderophores, such as pH, time, and siderophore concentration, are discussed. In conclusion, this review highlights the promising future of siderophore-driven biomining technologies. By understanding and using the capabilities of these molecules, researchers can pave the way for more sustainable and economically viable biomining technologies.