Special Issues

Recycling publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Emerging Technologies in the Hydrometallurgical Recycling of Critical Metals
edited by
submission deadline 30 Jun 2025 | 7 articles | Viewed by 11684 | Submission Open
Keywords: secondary resources; critical metals; metals recycling; sustainable metals recovery; hydrometallurgy; solvometallurgy; bio-hydrometallurgy
Challenges and Opportunities in Plastic Waste Management
edited by , and Taofeng Lu
submission deadline 1 Jul 2025 | 12 articles | Viewed by 17853 | Submission Open
Keywords: physical recycling; chemical recycling; plastic waste; microplastics; hydrothermal process; pyrolysis
Recycled Materials in Sustainable Pavement Innovation submission deadline 15 Jul 2025 | 2 articles | Viewed by 986 | Submission Open
Keywords: carbon-neutral economy; circular economy; climate changes; ecofriendly design; green technology; pavements; recycled materials; sustainability
Lithium-Ion and Next-Generation Batteries Recycling
edited by
submission deadline 31 Aug 2025 | 6 articles | Viewed by 11488 | Submission Open
Keywords: recycling; lithium-ion batteries; next-generation batteries; hydrometallurgy; direct recycling; pyrometallurgy; extraction; resynthesis
Biomass Revival: Rethinking Waste Recycling for a Greener Future submission deadline 1 Oct 2025 | 2 articles | Viewed by 509 | Submission Open
Keywords: biomass; recycling; waste; circular economy
Rubber Waste and Tyre Stewardship
edited by Shifeng Wang
submission deadline 31 Oct 2025 | 1 articles | Viewed by 265 | Submission Open
Keywords: tyre rubber; asphalt; decrosslinking; upcycling; ageing; devulcanization; road
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