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Special Issue "Advances in Removal and Recovery of Strategic Metals and Rare Earth Elements: New Approaches and Applications"

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Green Chemistry".

Deadline for manuscript submissions: 31 October 2021.

Special Issue Editors

Prof. Dr. Jesús Ángel Muñoz Sánchez
E-Mail Website
Guest Editor
Department of Chemical and Materials Engineering, Complutense University of Madrid
Interests: hydrometallurgy; biohydrometallurgy; bioleaching; biosorption
Dr. Laura Castro
E-Mail Website
Guest Editor
Department of Applied Mathematics, Materials Science and Engineering and Electronic Technology, School of Experimental Sciences and Technology, Rey Juan Carlos University
Interests: biohydrometallurgy; bioleaching; biosynthesis of nanoparticles; bioadsorption
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,

Critical raw materials include strategic metals (Co, Nb, In, Ga, Sc, etc.) and rare earth elements (REE) at high supply risk. These elements are crucial for the development of advanced technologies and its demand is growing at a rapid rate. Scarcity and depletion of natural resources are pushing forward towards the use of alternative raw materials among which industrial wastes offer good opportunities. Vast amounts of strategic metals and REE are currently found at low concentration in a wide range of mining-metallurgical wastes, including tailings, mining wastewaters, slags, dusts, ashes and e-wastes, among others. In a circular economy, sustainable waste management is key to minimize waste disposal and reduce environmental impact achieving at the same time zero-waste valorisation. Therefore, eco-friendly approaches to recover valuable contents from industrial wastes may secure a finite but abundant source of strategic metals and REE. In addition, inadequate processing and/or storage of these residues can lead to the release of hazardous metals into the environment.

Thus, this Special Issue aims to collect papers on recent advances on the removal and recovery of strategic metals and rare earth from industrial waste streams either solid or liquid. These include new eco-friendly approaches and applications such as biohydrometallurgical processes covering the treatment of mining and electronic residues.

Communications, full papers and reviews on the above-mentioned topics are particularly welcome.

Prof. Dr. Jesús Ángel Muñoz Sánchez
Dr. Laura Castro
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • Strategic metals
  • Rare Earth Elements
  • Removal
  • Recovery
  • Bioprocesses
  • Bioleaching
  • Biosorption
  • Sorption
  • Green Approaches
  • Industrial Applications

Published Papers

This special issue is now open for submission.
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