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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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Sample Preparation and Chromatographic Analysis of Environmental Samples

edited by Rosangela Elliani and

Antonio Tagarelli

submission deadline 10 Feb 2025 | Viewed by 57 | 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)

Adsorption and Remediation of Emerging Pollutants from Water and Soil

edited by Xiaoying Guo

submission deadline 20 Feb 2025 | 4 articles | Viewed by 3421 | Submission Open

Keywords: novel adsorbents; removal of emerging pollutants; emerging pollutant detection; remediation of water and soil pollution; environmental risks of emerging pollutants

(This special issue belongs to the Section Environmental Separations)

Green Extraction Techniques of Bioactive Compounds from Natural Sources

edited by Liliana Mihalcea and

Mona Elena Popa

submission deadline 20 Feb 2025 | Viewed by 210 | Submission Open

Keywords: natural sources; bioactive compounds; supercritical extraction; subcritical water extraction; chromatography; spectrometry; ultrasound-assisted extraction; microwave-assisted extraction; pressurized liquid extraction; enzyme-assisted extraction; bioeconomy

(This special issue belongs to the Section Analysis of Natural Products and Pharmaceuticals)

Determination of Emerging Organic Pollutants by GC/LC-MS

edited by Bibai Du and Hui Chen

submission deadline 20 Feb 2025 | Viewed by 90 | 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)

Research Progress for Isolation of Plant Active Compounds

edited by

Huaxiang Li

and Yi Li

submission deadline 10 Mar 2025 | 4 articles | Viewed by 5688 | Submission Open

Keywords: plants; active compounds; extraction; isolation; identification; molecular structure; chromatography; mass spectrometry; nuclear magnetic resonance analysis; biological activity

(This special issue belongs to the Section Analysis of Natural Products and Pharmaceuticals)

Separation Technology for Solid Waste Treatment and Recycling

edited by Ying Huang and Kazuyuki Oshita

submission deadline 10 Mar 2025 | 1 articles | Viewed by 1052 | Submission Open

Keywords: solid waste; recycling; rare metals; crude oil; separation techniques

(This special issue belongs to the Section Separation Engineering)

Advanced Composite Materials for Gas Adsorption and Separation

edited by

Borcǎnescu Silvana

Gerry Swiegers

Myeongsub Kim

and Jaecheol Shin

submission deadline 10 Mar 2025 | Viewed by 578 | Submission Open

Keywords: mesoporous materials; synthesis; amination reagents; temperature influence; CO2 adsorption; separation; mass spectrometry; adsorption– desorption cycles

(This special issue belongs to the Section Materials in Separation Science)

10th Anniversary Special Issues: Membrane Separation Processes

edited by

Mohamed Khayet

and Mohamed Essalhi

submission deadline 10 Mar 2025 | Viewed by 112 | 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)

Advanced Nano-polymer for Ion Adsorption and Selective Separation

edited by Redouane Haounati

submission deadline 10 Mar 2025 | Viewed by 108 | 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)

Application of Advanced Materials and Technologies in the Separation and Adsorption

edited by Hao Wu

submission deadline 10 Mar 2025 | Viewed by 72 | 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 39 | Submission Open

Keywords: novel materials; adsorption; removal; toxic pollutants; environmental matrices

(This special issue belongs to the Section Environmental Separations)

Membranes Used in Water Purification

edited by

Kayo Santana Barros

and

Valentín Pérez-Herranz

submission deadline 20 Mar 2025 | Viewed by 164 | Submission Open

Keywords: microfiltration; ultrafiltration; nanofiltration; reverse osmosis; forward osmosis; pressure-retarded osmosis; membrane distillation; electrodialysis; fouling; water purification

(This special issue belongs to the Section Purification Technology)

New and Modified Polymers for Detection and Removal of Pollutants from Water and Air

edited by Aleksandra Nastasović and

Bojana Marković

submission deadline 31 Mar 2025 | Viewed by 151 | Submission Open

Keywords: polymers and composites; molecularly imprinted polymers; adsorption mechanism; thermodynamic and kinetic analysis of adsorption; quantum modeling and simulation; radionuclides; organic and inorganic pollutants; CO2 capture; gas separation

(This special issue belongs to the Section Materials in Separation Science)

Separation Techniques for Flotation and Recycling in Mineral Processing

edited by Chulhyun Park and Hoseok Jeon

submission deadline 31 Mar 2025 | Viewed by 45 | Submission Open

Keywords: flotation; bubble size; gas dispersion property; surface chemistry; sulfide/oxide minerals; reagents; technical theory/mechanisms; process control; dynamics; separation efficiency; mineral processing; hydrometallurgy; recycling; waste

(This special issue belongs to the Section Separation Engineering)

Determination and Analysis of Volatiles by Solid-Phase Microextraction–Gas Chromatography

edited by

Marisabel Mecca

and

Maurizio D’Auria

submission deadline 10 Apr 2025 | 1 articles | Viewed by 680 | Submission Open

Keywords: extractives; VOCs; GC-MS; chemical characterization; SPME; on-fiber derivatization; on-site sampling

(This special issue belongs to the Section Chromatographic Separations)

Separation Techniques on a Miniaturized Scale

edited by

Fernando Lanças

and Deyber Arley Vargas Medina

submission deadline 20 Apr 2025 | Viewed by 67 | 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)

Separation Techniques in Drug Analysis

edited by Ionel Bogdan Cioroiu and

Marius Niculaua

submission deadline 20 Apr 2025 | Viewed by 45 | Submission Open

Keywords: LC-MS; GC-MS; LC-GC-MS; sample preparation; drug analysis; pharmaceuticals; bidimensional methods; method validation

(This special issue belongs to the Section Analysis of Natural Products and Pharmaceuticals)

New Directions in Nanostructured Hybrid Materials for Selective Separations and Catalysis

edited by

Muhammad Ahsan Iqbal

and Valter Maurino

submission deadline 20 Apr 2025 | Viewed by 35 | Submission Open

Keywords: nanostructured hybrid materials; photochemical processes; liquid/air pollutant treatments; surface functionalization; multifunctional coatings

(This special issue belongs to the Section Materials in Separation Science)

Development and Applications of Chromatographic Materials and Analytical Methods

edited by Youxin Li and Ruibing Chen

submission deadline 20 Apr 2025 | Viewed by 27 | Submission Open

Keywords: gas chromatography related materials and analytical methods; HPLC-related materials and analytical methods; capillary electrophoresis materials and methods; tandem technology; pharmaceutical applications; food applications; chemistry applications; environment applications; clinic applications; chiral separations

(This special issue belongs to the Section Chromatographic Separations)

Application of Nanoparticles in Selective Separation and Extraction

edited by

Alejandro Pérez-Larios

submission deadline 20 Apr 2025 | Viewed by 24 | Submission Open

Keywords: nanoparticles (NPs); selective separation; extraction; adsorption; magnetic nanoparticles (MNPs); catalytic processes; membrane technologies; environmental remediation; biotechnology; chemical engineering

(This special issue belongs to the Section Materials in Separation Science)

Environmental Functional Nanomaterials in Heavy Metal Removal and Pollutant Degradation

edited by Che-Jung Hsu and Tse-Lun Chen

submission deadline 20 Apr 2025 | Viewed by 24 | Submission Open

Keywords: adsorption; absorption; electrochemical separation; capacitive deionization; heavy metals; rare earth metals; environmental remediation; organic compounds; PFAS; PAHs; PBDEs

(This special issue belongs to the Section Materials in Separation Science)

Chromatographic Methods for Environment, Biota and Food Contaminants Analysis

edited by Melinda Haydee Kovács and Emőke Dalma Kovács

submission deadline 20 Apr 2025 | Viewed by 4 | Submission Open

Keywords: Gas chromatography; Liquid chromatography; Detectors (including mass spectrometer); Extraction procedures; Purification techniques; Environmental samples; Biological samples

(This special issue belongs to the Section Chromatographic Separations)

Isolation and Identification of Biologically Active Natural Compounds

edited by Iulia Varzaru and

Arabela Elena Untea

submission deadline 10 May 2025 | 2 articles | Viewed by 2210 | Submission Open

Keywords: plants; by-products; bioactive compounds; isolation methods; chromatography; antioxidant activity; antimicrobial activity; bioavailable compounds; nutraceuticals

(This special issue belongs to the Section Analysis of Natural Products and Pharmaceuticals)

Green Extraction Processes to Recover Natural Bioactive Compounds from Food By-Products

edited by

Peyman Ebrahimi

and

Anna Lante

submission deadline 10 May 2025 | Viewed by 55 | Submission Open

Keywords: green technologies; extraction methods; polyphenols; natural antioxidants; food by-products

(This special issue belongs to the Section Analysis of Natural Products and Pharmaceuticals)

Extraction and Isolation of Nutraceuticals from Plant Foods

edited by

Anamaria Pop

and

Gheorghe Martău

submission deadline 20 May 2025 | Viewed by 13 | Submission Open

Keywords: nutraceuticals; plant-based foods; extraction methods; isolation techniques; green technologies; bioavailability; solvent extraction; supercritical fluid extraction; functional foods; sustainable processes

Advanced Polymer Materials for Membrane Separation

edited by Zhisheng Fu and

Chuanjie Fang

submission deadline 20 Jun 2025 | Viewed by 1 | Submission Open

Keywords: polymer; membrane separation technology; energy conservation; water resource; environment protection; human health; gas separation; water treatment; organic solvent separation; ion exchange/transport; two-dimensional polymer nanosheets; mixed matrix membranes; polymer metal– organic framework nanoparticles; organic solvent separation membranes; porous organic polymers

(This special issue belongs to the Section Materials in Separation Science)

Displaying special issue 51-100 on page 2 of 2.

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