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Special Issues

Separations 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 polices and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

Open for Submission

Extraction, Separation, and Recovery of Rare Earth Elements

Guest Editors: Shuainan Ni, Zhiyuan Zeng
Viewed by 204

Deadline: 10 September 2026

Open for Submission

Research on Metal Resource Recycling and Efficient Extraction Technologies

Guest Editors: Qiongqiong He, Keji Wan
Viewed by 38

Deadline: 10 July 2026

Open for Submission

Numerical Modeling and Computation in Separation and Adsorption

Guest Editor: Hao Wu
Viewed by 29

Deadline: 10 July 2026

Open for Submission

Advances in Separation and Leaching for Metal Recovery

Guest Editors: Yun Li, Hui Xu
1 article | Viewed by 697

Deadline: 20 June 2026

Open for Submission

Green Separation and Purification Technology: Second Edition

Guest Editor: Shun Yao
Viewed by 66

Deadline: 20 June 2026

Open for Submission

Solid Waste Recycling and Strategic Metal Extraction

Guest Editors: Lihui Gao, Daoguang Teng, Shulei Li, Chunlin He
4 articles | Viewed by 5,964

Deadline: 10 June 2026

Open for Submission

Advances in Technologies Used for Mineral Separation

Guest Editors: Qiang Zhao, Baoyu Cui
Viewed by 47

Deadline: 10 June 2026

Open for Submission

Advanced Oxidation Processes for Efficient Removal of Organic Pollutants in Water Treatment

Guest Editor: Yan Wang
Viewed by 43

Deadline: 10 June 2026

Open for Submission

Research on Advanced Oxidation Water Treatment Technology Based on Electrochemical/Chemical Technology in Emerging Pollutants Removal

Guest Editors: Kaikai Zhang, Shaogang Hu, Chao Li
Viewed by 27

Deadline: 10 June 2026

Open for Submission

Advances in Gas–Solid Separation for Solid Waste Recovery

Guest Editor: Yuanhe Yue
1 article | Viewed by 210

Deadline: 20 April 2026

Open for Submission

Photocatalytic Oxidation and Advanced Oxidation Processes for Sustainable Water Treatment

Guest Editors: Haojie Zhang, Hanxuan Zeng, Yi Duan
1 article | Viewed by 665

Deadline: 20 April 2026

Open for Submission

Research on New Technology and Equipment of Multiphase Flow Separation

Guest Editors: Chencan Du, Yubin Wang
4 articles | Viewed by 10,347

Deadline: 10 April 2026

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Separations - ISSN 2297-8739