Advanced Technologies in Bio/Hydrometallurgy for Recovery and Recycling of Metals

This Special Issue is composed of many topics, presenting recent developments in Advanced Technologies in Bio/Hydrometallurgy for the Recovery and Recycling of Metals and offering new solutions represented by environmentally sustainable practices. I am ecstatic for the success it has had, with the final result and with the quality and originality of the contributions. As Guest Editor, I hope that the articles published in this Special Issue contribute to the advancement and future development of research in this field. I would like to warmly thank all the authors for their contributions and all the reviewers for their efforts in ensuring a high-quality publication. Sincere thanks also goes to the Editors of Metals for their continuous help, and to the Metals Editorial Assistants for their valuable and inexhaustible engagement and support during the preparation of this volume. In particular, my sincere thanks goes to Mr. Toliver Guo, Assistant Editor, for his help and support during the publication process of this Special Issue.