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.

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Extraction and Separation of Bioactive Molecules from Marine Flora and Fauna and By-Products of Aquatic Industries
edited by José Paulo M. Sardinha, and
submission deadline 30 Nov 2024 | Viewed by 241 | Submission Open
Keywords: supercritical extraction; microwaves extraction; ultrasounds extraction; high-pressure extraction; enzyme-assisted extraction; green extraction; marine by-products; marine biomass; bioactive molecules
(This special issue belongs to the Section Analysis of Natural Products and Pharmaceuticals)
Recent Advances in Gas Separation and Purification
edited by
submission deadline 30 Nov 2024 | Viewed by 52 | Submission Open
Keywords: adsorption; absorption; membrane; catalysis; gas separation; gas purification; zeolite; active carbon; catalyst; PSA; TSA
(This special issue belongs to the Section Separation Engineering)
Bioremediation of Recalcitrant Nitroaromatic and Azo Dye Compounds from Contaminated Environmental Media submission deadline 30 Nov 2024 | Viewed by 47 | Submission Open
Keywords: bioremediation; nitrobenzene; azo dyes; nitroaromatic hydrocarbon compounds; bacterial bioremediation; redox mediators; fungal bioremediation; anaerobic bioremediation; nitrophenolic pesticides; textile dyes
(This special issue belongs to the Section Purification Technology)
Application of Magnetic Separation Technology in Green Production
edited by
submission deadline 10 Dec 2024 | 2 articles | Viewed by 2996 | Submission Open
Keywords: magnetic separation; magnetic separator; magnetic flocculation; separation modeling; high gradient; quartz purification; Kaolin purification; non-metallic ore purification; lithium iron mica utilization; red mud utilization
(This special issue belongs to the Section Separation Engineering)
Recent Advances in Rare Earth Separation and Extraction
edited by and Na Sui
submission deadline 10 Dec 2024 | Viewed by 41 | Submission Open
Keywords: rare earths; solvent extraction; separation technology; extraction chromatography; recovery; low concentration enrichment; adsorption; calculations
(This special issue belongs to the Section Separation Engineering)
Research on Solid-Liquid Interface Adsorption Technology
edited by Yongfu Li and Xingkai Che
submission deadline 10 Dec 2024 | Viewed by 37 | Submission Open
Keywords: bioseparation materials; bioactive substances; adsorbent; HPLC and related techniques; nutrient removal; separation process; chemical or biological mechanism
(This special issue belongs to the Section Separation Engineering)
Advanced Functional Materials for Wastewater Treatment and Purification
edited by Tengyao Jiang and Wei Huang
submission deadline 20 Dec 2024 | 4 articles | Viewed by 6993 | Submission Open
Keywords: wastewater treatments; heavy metals; organic contaminants; porous materials; adsorption; composites
(This special issue belongs to the Section Materials in Separation Science)
Isolation of Natural Compounds—Emphasis on Antioxidants' Purification submission deadline 20 Dec 2024 | 1 articles | Viewed by 1243 | Submission Open
Keywords: separation; antioxidant activity; chromatography; isolation; purification; extracts; phytochemistry; chemistry of natural compounds; extracts; biological activity; radical scavenging; pharmacognosy
(This special issue belongs to the Section Analysis of Natural Products and Pharmaceuticals)
Green and Efficient Separation and Extraction of Salt Lake Resources
edited by Xiushen Ye, Dandan Gao and Shiqiang Wang
submission deadline 20 Dec 2024 | Viewed by 41 | Submission Open
Keywords: lithium; rubidium; cesium; boron; potassium; salt lake; adsorption; extraction; membrane separation; phase separation
(This special issue belongs to the Section Separation Engineering)
Removal and Recovery of Nitrogen and Phosphorus from Wastewater
edited by Qian Ping
submission deadline 31 Dec 2024 | 3 articles | Viewed by 4314 | Submission Open
Keywords: nutrient removal; resource recovery; biological wastewater treatment; chemical precipitation; electrochemistry; physical treatment; phosphorus release and recovery
(This special issue belongs to the Section Environmental Separations)
Extraction and Characterization of Bioactive Compounds from Plant and Natural Sources submission deadline 31 Dec 2024 | 1 articles | Viewed by 559 | Submission Open
Keywords: extraction; characterization; bioactive compounds; natural sources; nutraceutical; plant materia
(This special issue belongs to the Section Analysis of Natural Products and Pharmaceuticals)
Emerging Analytical Methods for Detection and Separation of Environmental Pollutants and Food Contaminants
edited by , Niki Maragou and
submission deadline 31 Dec 2024 | Viewed by 205 | Submission Open
Keywords: persisent organic pollutants; emerging contaminants; high-resolution mass spectrometry; low-resolution mass spectrometry; tandem mass spectrometry; food analysis; environmental analysis; liquid chromatography; gas chromatography; sample preparation techniques
(This special issue belongs to the Section Chromatographic Separations)
The 10th Anniversary of Separations: Advances in Separation and Analysis of Natural Products/Medicines
edited by , Shufang Wang and
submission deadline 31 Dec 2024 | Viewed by 121 | Submission Open
Keywords: chromatography; separation process; natural products; medicinal plants; phytochemical analysis; bioactive compounds
(This special issue belongs to the Section Analysis of Natural Products and Pharmaceuticals)
10th Anniversary of Separations: Recent Advances in Analysis of Energies
edited by
submission deadline 31 Dec 2024 | Viewed by 84 | Submission Open
Keywords: analysis of energies; chromatography; capillary electrophoresis; mass spectrometry; sample preparation; solid-phase extraction and microextraction; separation techniques (physical and chemical)
(This special issue belongs to the Section Analysis of Energies)
The 10th Anniversary of Separations: Separation Engineering
edited by
submission deadline 31 Dec 2024 | Viewed by 50 | Submission Open
Keywords: absorption and adsorption; advanced distillation processes; bio-separation; CO2 capture; extraction; gas separation; hydrogen purification; interfacial phenomena; mass transfer; membrane separation process; process intensification; water treatment and reuse
(This special issue belongs to the Section Separation Engineering)
10th Anniversary of Separations: Recent Advances in Analysis of Food and Beverages
edited by
submission deadline 31 Dec 2024 | Viewed by 29 | Submission Open
Keywords: liquid chromatography; gas chromatography; capillary electrophoresis; food analysis; food safety; spectrometry; microchip-based devices; chemometrics
(This special issue belongs to the Section Analysis of Food and Beverages)
Analytical Pyrolysis–Gas Chromatography–Mass Spectrometry of Synthetic Polymers and Biopolymers
edited by Peter Kusch
submission deadline 20 Jan 2025 | Viewed by 35 | Submission Open
Keywords: analytical pyrolysis– gas chromatography– mass spectrometry (Py-GC-MS); polymers/copolymers; biopolymers; pyrolysis– mass spectrometry (Py-MS); photo/thermal/oxidative degradation (UV/Py-GC/MS); EGA-GC-MS; Py-GC-TOFMS; pyrolyzers; autosamplers; Polymer-Py-GC-MS Library; micro(nano)plastics; failure analysis; structural analysis; separations; identification
(This special issue belongs to the Section Chromatographic Separations)
Novel Solvents and Methods for Extraction of Chemicals
edited by Silvia Fraterrigo Garofalo and Giuseppe Pipitone
submission deadline 20 Jan 2025 | Viewed by 25 | Submission Open
Keywords: sustainable extraction; chemical separation; innovative solvents; environmental sustainability; advanced extraction methods
(This special issue belongs to the Section Separation Engineering)
Adsorption Process in Chemical Engineering
edited by Adrian Bonilla-Petriciolet, and Hilda Elizabeth Reynel-Ávila
submission deadline 10 Feb 2025 | Viewed by 146 | Submission Open
Keywords: adsorbents; depollution; energy storage; environmental remediation; intensification; modeling; adsorption engineering; process systems engineering; sustainable separation; value-added products
Sample Preparation and Chromatographic Analysis of Environmental Samples
edited by Rosangela Elliani and
submission deadline 10 Feb 2025 | Viewed by 25 | Submission Open
Keywords: assessment of several organic compounds; chromatography analysis; analytical parameters; multivariate optimization; sample extraction; enviromentally friendly analytical methods
(This special issue belongs to the Section Chromatographic Separations)
Determination of Emerging Organic Pollutants by GC/LC-MS
edited by Bibai Du and Hui Chen
submission deadline 20 Feb 2025 | Viewed by 59 | Submission Open
Keywords: emerging pollutants; organic pollutants; analytical method; sample preparation; gas chromatography-mass spectrometry; liquid chromatography− mass spectrometry  ; quantitative analysis  ; qualitative analysis  ; environmental matrices; air; water; soil; QA/QC
(This special issue belongs to the Section Environmental Separations)
Advanced Nano-polymer for Ion Adsorption and Selective Separation
edited by Redouane Haounati
submission deadline 10 Mar 2025 | Viewed by 62 | Submission Open
Keywords: nano-polymers; water purification; heavy metal ions; computational modeling; toxic pollutants
(This special issue belongs to the Section Materials in Separation Science)
10th Anniversary Special Issues: Membrane Separation Processes
edited by and Mohamed Essalhi
submission deadline 10 Mar 2025 | Viewed by 34 | Submission Open
Keywords: membrane separation; membrane process; water production; energy production; gas separation; filtration; water treatment; membrane crystallization; brine mining; transport phenomena; simulation; optimization; machine learning
(This special issue belongs to the Section Materials in Separation Science)
Application of Advanced Materials and Technologies in the Separation and Adsorption
edited by Hao Wu
submission deadline 10 Mar 2025 | Viewed by 29 | Submission Open
Keywords: advanced material; technology; separation; adsorption; pollutant treatment; efficient; low energy consumption; resource utilization
(This special issue belongs to the Section Materials in Separation Science)
Adsorption of Emerging Water Pollutants by Advanced Materials
edited by Jonathan O. Okonkwo
submission deadline 10 Mar 2025 | Viewed by 1 | Submission Open
Keywords: novel materials; adsorption; removal; toxic pollutants; environmental matrices
(This special issue belongs to the Section Environmental Separations)
Separation Techniques on a Miniaturized Scale
edited by and Deyber Arley Vargas Medina
submission deadline 20 Apr 2025 | Viewed by 16 | Submission Open
Keywords: miniaturized sample preparation; sorbent-based microextraction; solvent-based microextraction; miniaturized instrumentation; green analytical chemistry; liquid chromatography; gas chromatography; open tubular liquid chromatography; capillary electrophoresis; microfluidic devices
(This special issue belongs to the Section Chromatographic Separations)
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