Sustainable Separation Engineering. Front Matter -- Electrochemically Mediated Sustainable Separations in Water / Kai-Jher Tan, T Alan Hatton -- Green and Sustainable Extraction of High-Value Compounds / Karine Zanotti, Aylon Matheus Stahl, Mateus Lodi Segatto, Vânia Gomes Zuin -- Separation Processes for Sustainable Produced Water Treatment and Management / Lanre M Oshinowo, Young Chul Choi, Elaf A Ahmed, Hasan A Al Abdulgader -- Applications of Ultrasound in Separation Processes / Shankar B Kausley, Gaurav G Dastane, Rajshree A Patil, Ananda J Jadhav, Ketan S Desai, Aniruddha B Pandit -- The Role of Chemical Looping in Industrial Gas Separation / Vedant Shah, Kalyani Jangam, Anuj Joshi, Pinak Mohapatra, Eric Falascino, Liang-Shih Fan -- Flow Technologies for Efficient Separations / Nopphon Weeranoppanant, Chetsada Khositanon, Trevor Murray, Andrea Adamo -- Sustainable Features of Centrifugal Partition Chromatography / Gergő Dargó, Árpád Könczöl -- Liquid Membrane Technology for Sustainable Separations / Pablo López-Porfiri, María González-Miquel, Patricia Gorgojo -- Membrane-Enabled Sustainable Biofuel Production / Parimal Pal, Ramesh Kumar -- Janus Membranes for Water Purification and Gas Separation / Jing Deng, Sepideh Razavi, Michele Galizia -- Front Matter -- Adsorption Processes for Seawater Desalination / Qian Chen, Muhammad Burhan, Faheem Hassan Akhtar, Doskhan Ybyraiymkul, M Kumja, Muhammad Ahmad Jamil, Muhammad Wakil Shahzad, Kim Choon Ng -- Sustainable Distillation Processes / Mirko Skiborowski, Kai Fabian Kruber, Thomas Waltermann -- Recovery of Solvents and Fine Chemicals / Yus Donald Chaniago, Moonyong Lee -- Toward Green Extraction Processes / Marinela Nutrizio, Farid Chemat, Rattana Muangrat, Phisit Seesuriyachan, Yuthana Phimolsiripol, Francesco Donsi, Anet Režek Jambrak -- Cellulose Nanofibers for Sustainable Separations / Priyanka R Sharma, Xiangyu Huang, Mengying Yang, Sunil K Sharma, Benjamin S Hsiao -- Recycling of Lithium Batteries / Mario Pagliaro, Francesco Meneguzzo -- Deep Eutectic Solvents for Sustainable Separation Processes / Filipe H B Sosa, Mariana C Costa, Armando J D Silvestre, André M Costa Lopes -- Microfluidic Platforms for Cell Sorting / Fateme Mirakhorli, Seyed Sepehr Mohseni, Sajad Razavi Bazaz, Ali Abouei Mehrizi, Peter J Ralph, Majid Ebrahimi Warkiani -- Sustainable Separations Using Organic Solvent Nanofiltration / Nazlee Faisal Ghazali, Ki Min Lim -- Sustainable Separations in the Chemical Engineering Curriculum / Thomas Rodgers.