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Valencia A, LeMen C, Ellero C, Lafforgue-Baldas C, F. Morris J, Schmitz P. Direct observation of the microfiltration of yeast cells at the micro-scale: Characterization of cake properties. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121614] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kawashima K, Shirzadi M, Fukasawa T, Fukui K, Tsuru T, Ishigami T. Numerical modeling for particulate flow through realistic microporous structure of microfiltration membrane: Direct numerical simulation coordinated with focused ion beam scanning electron microscopy. POWDER TECHNOL 2022. [DOI: 10.1016/j.powtec.2022.117872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Buchsbaum J, Ranis S, Angelow K, Linden S, Tegenkamp C, Goedel WA. Hierarchically Structured Microsieves Produced via Float-Casting. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:2040-2055. [PMID: 33524261 DOI: 10.1021/acs.langmuir.0c02936] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This article shows a new way to produce hierarchical microsieves by layering three types of float-cast microsieves, differing from each other in their pore diameters (approximately 68 μm, 7 μm, and 0.24 μm) on top of each other. The unsupported microsieves with 7 and 0.24 μm pore sizes are mechanically fragile. The complete hierarchical sieve composed of all three layers, however, can be handled manually without special precaution. This article further investigates the flow through the hierarchical sieve and filtration via experiment, theory (Hagen-Poiseuille's and Sampson-Roscoe's law), and simulation (numerically solving the Navier-Stokes equations for a predefined set of discrete volumetric elements). The experimental, theoretical, and simulated permeances of the microsieves and the hierarchical sieves are in reasonable agreement with each other and are significantly higher than the permeances of conventional filtration media. In filtration experiments, the hierarchical sieves show the expected sharp size cut-off, retaining particles of diameters exceeding the pore diameter.
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Affiliation(s)
- Julia Buchsbaum
- Physical Chemistry, Chemnitz University of Technology, Straße der Nationen 62, 09111 Chemnitz, Germany
| | - Stephan Ranis
- Physical Chemistry, Chemnitz University of Technology, Straße der Nationen 62, 09111 Chemnitz, Germany
| | | | - Sven Linden
- Math2Market, Richard-Wagner-Straße 1, 67655 Kaiserslautern, Germany
| | - Christoph Tegenkamp
- Analytics on Solid Surfaces, Chemnitz University of Technology, Reichenhainer Straße 70, 09126 Chemnitz, Germany
| | - Werner A Goedel
- Physical Chemistry, Chemnitz University of Technology, Straße der Nationen 62, 09111 Chemnitz, Germany
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Javaid M, Haleem A, Pratap Singh R, Suman R. Industrial perspectives of 3D scanning: Features, roles and it's analytical applications. SENSORS INTERNATIONAL 2021. [DOI: 10.1016/j.sintl.2021.100114] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Liu B, Zhu T, Liu W, Zhou R, Zhou S, Wu R, Deng L, Wang J, Van der Bruggen B. Ultrafiltration pre-oxidation by boron-doped diamond anode for algae-laden water treatment: membrane fouling mitigation, interface characteristics and cake layer organic release. WATER RESEARCH 2020; 187:116435. [PMID: 32977188 DOI: 10.1016/j.watres.2020.116435] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/21/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023]
Abstract
In this study, ultrafiltration (UF) pre-oxidation with a boron-doped diamond (BDD) electrode was employed aiming to mitigate membrane fouling during algae-laden water treatment. It was found that BDD anodizing can efficiently alleviate membrane fouling regardless of the filtration membrane material when the oxidation time was over 30 min. This was because that the cake layer fouling resistance was highly mitigated by the pre-oxidation process. The generated small molecular organics after anodic oxidation might increase the potential of pore blockage. The anodizing preferentially oxidized hydrophobic organic and fluorescent substances, which is conducive to reducing membrane fouling and improving production efficiency. Besides, disinfection byproduct precursors and harmful algae derived substances of UF filtrated solution were contained. The algae bodies tend to agglomeration and the zeta potential obviously declined after the pretreatment, which is instrumental in forming a loose cake layer structure. In addition, the interaction force between membrane and foulants also converted to a repulsion force after pre-oxidation, which implies that BDD pre-oxidation was an effective way to mitigate cake layer fouling by reducing foulant-membrane interactions. At last, the secondary organic release of a dynamic formed cake layer was proved to be limited especially for living algae cells.
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Affiliation(s)
- Bin Liu
- Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Department of Water Engineering and Science, College of Civil Engineering, Hunan University, 410082, Changsha, China; Department of Chemical Engineering, Process Engineering for Sustainable Systems (ProcESS), KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Tingting Zhu
- Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Department of Water Engineering and Science, College of Civil Engineering, Hunan University, 410082, Changsha, China
| | - Wenkai Liu
- Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Department of Water Engineering and Science, College of Civil Engineering, Hunan University, 410082, Changsha, China
| | - Rui Zhou
- Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Department of Water Engineering and Science, College of Civil Engineering, Hunan University, 410082, Changsha, China
| | - Shiqing Zhou
- Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Department of Water Engineering and Science, College of Civil Engineering, Hunan University, 410082, Changsha, China
| | - Ruoxi Wu
- Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Department of Water Engineering and Science, College of Civil Engineering, Hunan University, 410082, Changsha, China.
| | - Lin Deng
- Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Department of Water Engineering and Science, College of Civil Engineering, Hunan University, 410082, Changsha, China
| | - Jing Wang
- School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China
| | - Bart Van der Bruggen
- Department of Chemical Engineering, Process Engineering for Sustainable Systems (ProcESS), KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
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Bouhid de Aguiar I, Schroën K. Microfluidics Used as a Tool to Understand and Optimize Membrane Filtration Processes. MEMBRANES 2020; 10:E316. [PMID: 33138236 PMCID: PMC7692330 DOI: 10.3390/membranes10110316] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/27/2020] [Accepted: 10/28/2020] [Indexed: 12/13/2022]
Abstract
Membrane filtration processes are best known for their application in the water, oil, and gas sectors, but also in food production they play an eminent role. Filtration processes are known to suffer from a decrease in efficiency in time due to e.g., particle deposition, also known as fouling and pore blocking. Although these processes are not very well understood at a small scale, smart engineering approaches have been used to keep membrane processes running. Microfluidic devices have been increasingly applied to study membrane filtration processes and accommodate observation and understanding of the filtration process at different scales, from nanometer to millimeter and more. In combination with microscopes and high-speed imaging, microfluidic devices allow real time observation of filtration processes. In this review we will give a general introduction on microfluidic devices used to study membrane filtration behavior, followed by a discussion of how microfluidic devices can be used to understand current challenges. We will then discuss how increased knowledge on fundamental aspects of membrane filtration can help optimize existing processes, before wrapping up with an outlook on future prospects on the use of microfluidics within the field of membrane separation.
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Affiliation(s)
- Izabella Bouhid de Aguiar
- Membrane Science and Technology—Membrane Processes for Food, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands;
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Valencia A, Le Men C, Ellero C, Lafforgue-Baldas C, Schmitz P, Morris JF. Direct observation at the microscale of particle deposition during the first stage of the microfiltration process. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.117823] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Chew JW, Kilduff J, Belfort G. The behavior of suspensions and macromolecular solutions in crossflow microfiltration: An update. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.117865] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Rudolph G, Virtanen T, Ferrando M, Güell C, Lipnizki F, Kallioinen M. A review of in situ real-time monitoring techniques for membrane fouling in the biotechnology, biorefinery and food sectors. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.117221] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Wu Y, Wang X, Wang Z, Yan F, Zu F, Zhang H. A novel method for measuring cake porosity by ions detection technique in a conventional coagulation-ultrafiltration process. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.03.061] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Goedel WA, Gläser K, Mitra D, Hammerschmidt J, Thalheim R, Ueberfuhr P, Baumann RR. Printing Reinforcing Structures onto Microsieves That Are Floating on a Water Surface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:2196-2208. [PMID: 30590922 DOI: 10.1021/acs.langmuir.8b03252] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This article describes the preparation of hierarchically structured microsieves via a suitable combination of float-casting and inkjet-printing: A mixture of hydrophobized silica particles of 600 nm ± 20 nm diameter, a suitable non-water-soluble nonvolatile acrylic monomer, a nonvolatile photoinitiator, and volatile organic solvents is applied to a water surface. This mixture spontaneously spreads on the water surface; the volatile solvents evaporate and leave behind a layer of the monomer/initiator mixture comprising a monolayer of particles, each particle protruding out of the monomer layer at the top and bottom surface. Photopolymerization of the monomer converts this mixed layer into a solid composite membrane floating on the water surface. Onto this membrane, while still floating on the water surface, a hierarchical reinforcing structure based on a photocurable ink is inkjet-printed and solidified. In contrast to the nonreinforced membrane, the reinforced membrane can easily be lifted off the water surface without suffering damage. Subsequently, the silica particles are removed, and thus, the reinforced composite membrane is converted into a reinforced microsieve of 350 nm ± 50 nm thickness bearing uniform through pores of 465 nm ± 50 nm diameter. This reinforced microsieve is mounted into a filtration unit and used to filter model dispersions: its permeance for water at low Reynolds numbers is in accordance with established theories on the permeance of microsieves and significantly above the permeance of conventional filtration media; it retains particles exceeding the pore size, while letting particles smaller than the pore size pass.
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Affiliation(s)
- Werner A Goedel
- Physical Chemistry , Chemnitz University of Technology , Straße der Nationen 62 , 09111 Chemnitz , Germany
| | - Kerstin Gläser
- Physical Chemistry , Chemnitz University of Technology , Straße der Nationen 62 , 09111 Chemnitz , Germany
| | - Dana Mitra
- Department of Digital Printing and Imaging Technology , Chemnitz University of Technology , Reichenhainer Straße 70 , 09126 Chemnitz , Germany
| | - Jens Hammerschmidt
- Department of Digital Printing and Imaging Technology , Chemnitz University of Technology , Reichenhainer Straße 70 , 09126 Chemnitz , Germany
| | - Robert Thalheim
- Department of Digital Printing and Imaging Technology , Chemnitz University of Technology , Reichenhainer Straße 70 , 09126 Chemnitz , Germany
| | - Peter Ueberfuhr
- Department of Digital Printing and Imaging Technology , Chemnitz University of Technology , Reichenhainer Straße 70 , 09126 Chemnitz , Germany
| | - Reinhard R Baumann
- Department of Digital Printing and Imaging Technology , Chemnitz University of Technology , Reichenhainer Straße 70 , 09126 Chemnitz , Germany
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Visual tool for real-time monitoring of membrane fouling via Raman spectroscopy and process model based on principal component analysis. Sci Rep 2018; 8:11057. [PMID: 30038320 PMCID: PMC6056556 DOI: 10.1038/s41598-018-29268-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 07/06/2018] [Indexed: 11/08/2022] Open
Abstract
Membrane fouling, i.e. accumulation of unwanted material on the surface of the membrane is a significant problem in filtration processes since it commonly degrades membrane performance and increases operating costs. Therefore, the advantages of early stage monitoring and control of fouling are widely recognized. In this work, the potential of using Raman spectroscopy coupled to chemometrics in order to quantify degree of membrane fouling in real-time was investigated. The Raman data set collected from adsorption experiments with varying pHs and concentrations of model compound vanillin was used to develop a predictive model based on principal component analysis (PCA) for the quantification of the vanillin adsorbed on the membrane. The correspondence between the predicted concentrations based on the PCA model and actual measured concentrations of adsorbed vanillin was moderately good. The model developed was successful in monitoring both adsorption and desorption processes. Furthermore, the model was able to detect abnormally proceeding experiment based on differentiating PCA score and loading values. The results indicated that the presented approach of using Raman spectroscopy combined with a PCA model has potential for use in monitoring and control of fouling and cleaning in membrane processes.
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Sun Y, Tian J, Song L, Gao S, Shi W, Cui F. Dynamic changes of the fouling layer in forward osmosis based membrane processes for municipal wastewater treatment. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2017.12.055] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Interaction energy and competitive adsorption evaluation of different NOM fractions on aged membrane surfaces. J Memb Sci 2017. [DOI: 10.1016/j.memsci.2017.08.020] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Lemma SM, Esposito A, Mason M, Brusetti L, Cesco S, Scampicchio M. Removal of bacteria and yeast in water and beer by nylon nanofibrous membranes. J FOOD ENG 2015. [DOI: 10.1016/j.jfoodeng.2015.02.005] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Yuan B, Wang X, Tang C, Li X, Yu G. In situ observation of the growth of biofouling layer in osmotic membrane bioreactors by multiple fluorescence labeling and confocal laser scanning microscopy. WATER RESEARCH 2015; 75:188-200. [PMID: 25770441 DOI: 10.1016/j.watres.2015.02.048] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 02/16/2015] [Accepted: 02/21/2015] [Indexed: 06/04/2023]
Abstract
Since the concept of the osmotic membrane bioreactor (OMBR) was introduced in 2008, it has attracted growing interests for its potential applications in wastewater treatment and reclamation; however, the fouling mechanisms of forward osmosis (FO) membrane especially the development of biofouling layer in the OMBR are not yet clear. Here, the fouled FO membranes were obtained from the OMBRs on days 3, 8 and 25 in sequence, and then the structure and growing rule of the biofouling layer formed on the FO membrane samples were in-situ characterized by multiple fluorescence labeling and confocal laser scanning microscopy (CLSM). CLSM images indicated that the variations in abundance and distribution of polysaccharides, proteins and microorganisms in the biofouling layer during the operation of OMBRs were significantly different. Before the 8th day, their biovolume dramatically increased. Subsequently, the biovolumes of β-d-glucopyranose polysaccharides and proteins continued increasing and leveled off after 8 days, respectively, while the biovolumes of α-d-glucopyranose polysaccharides and microorganisms decreased. Extracellular polymeric substances (EPS) played a significant role in the formation and growth of biofouling layer, while the microorganisms were seldom detected on the upper fouling layer after 3 days. Based on the results obtained in this study, the growth of biofouling layer on the FO membrane surface in the OMBR could be divided into three stages. Initially, EPS was firstly deposited on the FO membrane surface, and then microorganisms associated with EPS located in the initial depositing layer to form clusters. After that, the dramatic increase of the clusters of EPS and microorganisms resulted in the quick growth of biofouling layer during the flux decline of the OMBR. However, when the water flux became stable in the OMBR, some microorganisms and EPS would be detached from the FO membrane surface.
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Affiliation(s)
- Bo Yuan
- Jiangsu Key Laboratory of Anaerobic Biotechnology, School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, PR China
| | - Xinhua Wang
- Jiangsu Key Laboratory of Anaerobic Biotechnology, School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, PR China.
| | - Chuyang Tang
- Department of Civil Engineering, The University of Hong Kong, Pokfulam, Hong Kong, PR China
| | - Xiufen Li
- Jiangsu Key Laboratory of Anaerobic Biotechnology, School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, PR China.
| | - Guanghui Yu
- Jiangsu Key Lab for Organic Solid Waste Utilization, College of Resource and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, PR China
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Hassan IB, Lafforgue C, Ayadi A, Schmitz P. A multiscale approach to study dead end microfiltration of mono and bidispersed particle suspensions. CAN J CHEM ENG 2014. [DOI: 10.1002/cjce.22102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Ines Ben Hassan
- Université de Toulouse; INSA, UPS, INP; LISBP; 135 Avenue de Rangueil F-31077 Toulouse France
- INRA, UMR792 Ingénierie des Systèmes Biologiques et des Procédés; F-31400 Toulouse France
- CNRS, UMR5504; F-31400 Toulouse France
- LRAE (Laboratoire Radio analyses et Environnement), Université de Sfax; Sfax Tunisia
| | - Christine Lafforgue
- Université de Toulouse; INSA, UPS, INP; LISBP; 135 Avenue de Rangueil F-31077 Toulouse France
- INRA, UMR792 Ingénierie des Systèmes Biologiques et des Procédés; F-31400 Toulouse France
- CNRS, UMR5504; F-31400 Toulouse France
| | - Abdelmoneim Ayadi
- LRAE (Laboratoire Radio analyses et Environnement), Université de Sfax; Sfax Tunisia
| | - Philippe Schmitz
- Université de Toulouse; INSA, UPS, INP; LISBP; 135 Avenue de Rangueil F-31077 Toulouse France
- INRA, UMR792 Ingénierie des Systèmes Biologiques et des Procédés; F-31400 Toulouse France
- CNRS, UMR5504; F-31400 Toulouse France
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