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Tong YH, Luo LH, Jia R, Han R, Xu SJ, Xu ZL. Whether membranes developed for organic solvent nanofiltration (OSN) tend to be hydrophilic or hydrophobic? ── a review. Heliyon 2024; 10:e24330. [PMID: 38288011 PMCID: PMC10823098 DOI: 10.1016/j.heliyon.2024.e24330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 12/02/2023] [Accepted: 01/07/2024] [Indexed: 01/31/2024] Open
Abstract
In the past few decades, organic solvent nanofiltration (OSN) has attracted numerous researchers and broadly applied in various fields. Unlike conventional nanofiltration, OSN always faced a broad spectrum of solvents including polar solvents and non-polar solvents. Among those recently developed OSN membranes in lab-scale or widely used commercial membranes, researchers preferred to explore intrinsic materials or introduce nanomaterials into membranes to fabricate OSN membranes. However, the hydrophilicity of the membrane surface towards filtration performance was often ignored, which was the key factor in conventional aqueous nanofiltration. The influence of surface hydrophilicity on OSN performance was not studied systematically and thoroughly. Generally speaking, the hydrophilic OSN membranes performed well in the polar solvents while the hydrophobic OSN membranes work well in the non-polar solvent. Many review papers reviewed the basics, problems of the membranes, up-to-date studies, and applications at various levels. In this review, we have focused on the relationship between the surface hydrophilicity of OSN membranes and OSN performances. The history, theory, and mechanism of the OSN process were first recapped, followed by summarizing representative OSN research classified by surface hydrophilicity and types of membrane, which recent OSN research with its contact angles and filtration performance were listed. Finally, from the industrialization perspective, the application progress of hydrophilic and hydrophobic OSN membranes was introduced. We started with history and theory, presented many research and application cases of hydrophilic and hydrophobic OSN membranes, and discussed anticipated progress in the OSN field. Also, we pointed out some future research directions on the hydrophilicity of OSN membranes to deeply develop the effect made by membrane hydrophilicity on OSN performance for future considerations and stepping forward of the OSN industry.
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Affiliation(s)
- Yi-Hao Tong
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Li-Han Luo
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Rui Jia
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Rui Han
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Sun-Jie Xu
- School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
- Shanghai Electronic Chemicals Innovation Institute, East China University of Science and Technology, Shanghai 200237, China
| | - Zhen-Liang Xu
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
- Shanghai Electronic Chemicals Innovation Institute, East China University of Science and Technology, Shanghai 200237, China
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Sivanantham V, Narayana PL, Hyeong KJ, Pareddy P, Sangeetha V, Kyoung-Seok M, In KH, Sung HK, Reddy NS. Modeling and optimization of chlorophenol rejection for spiral wound reverse osmosis membrane modules. CHEMOSPHERE 2021; 268:129345. [PMID: 33360146 DOI: 10.1016/j.chemosphere.2020.129345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/09/2020] [Accepted: 12/14/2020] [Indexed: 06/12/2023]
Abstract
This study shows an artificial neural network (ANN) model of chlorophenol rejection from aqueous solutions and predicting the performance of spiral wound reverse osmosis (SWRO) modules. This type of rejection shows complex non-linear dependencies on feed pressure, feed temperature, concentration, and feed flow rate. It provides a demanding test of the application of ANN model analysis to SWRO modules. The predictions are compared with experimental data obtained with SWRO modules. The overall agreement between the experimental and ANN model predicted was almost 99.9% accuracy for the chlorophenol rejection. The ANN model approach has the advantage of understanding the complex chlorophenol rejection phenomena as a function of SWRO process parameters.
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Affiliation(s)
- V Sivanantham
- Department of Computer Science, Periyar University Constituent College of Arts and Science, Pappireddipatti Campus, Periyar University, Salem, 636 011, Tamil Nadu, India
| | - P L Narayana
- School of Materials Science and Engineering, Engineering Research Institute, Gyeongsang National University, Jinju, South Korea
| | - Kwon Jun Hyeong
- School of Materials Science and Engineering, Engineering Research Institute, Gyeongsang National University, Jinju, South Korea
| | - Preetham Pareddy
- Fractal Analytics, Western Express Highway, Goregaon, East Mumbai, 400063, India
| | - V Sangeetha
- Department of Computer Science, Periyar University Constituent College of Arts and Science, Pappireddipatti Campus, Periyar University, Salem, 636 011, Tamil Nadu, India.
| | - Moon Kyoung-Seok
- School of Materials Science and Engineering, Engineering Research Institute, Gyeongsang National University, Jinju, South Korea
| | - Kim Hong In
- School of Materials Science and Engineering, Engineering Research Institute, Gyeongsang National University, Jinju, South Korea
| | - Hyo Kyung Sung
- School of Materials Science and Engineering, Engineering Research Institute, Gyeongsang National University, Jinju, South Korea
| | - N S Reddy
- School of Materials Science and Engineering, Engineering Research Institute, Gyeongsang National University, Jinju, South Korea.
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