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Journal articles on the topic 'Membrane-based separation'

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Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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1

Koros, W. J., and G. K. Fleming. "Membrane-based gas separation." Journal of Membrane Science 83, no. 1 (August 1993): 1–80. http://dx.doi.org/10.1016/0376-7388(93)80013-n.

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2

Bera, Debaditya, Rimpa Chatterjee, and Susanta Banerjee. "Aromatic polyamide nonporous membranes for gas separation application." e-Polymers 21, no. 1 (January 1, 2021): 108–30. http://dx.doi.org/10.1515/epoly-2021-0016.

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Abstract Polymer membrane-based gas separation is a superior economical and energy-efficient separation technique over other conventional separation methods. Over the years, different classes of polymers are investigated for their membrane-based applications. The need to search for new polymers for membrane-based applications has been a continuous research challenge. Aromatic polyamides (PAs), a type of high-performance materials, are known for their high thermal and mechanical stability and excellent film-forming ability. However, their insolubility and processing difficulty impede their growth in membrane-based applications. In this review, we will focus on the PAs that are investigated for membrane-based gas separations applications. We will also address the polymer design principal and its effects on the polymer solubility and its gas separation properties. Accordingly, some of the aromatic PAs developed in the authors’ laboratory that showed significant improvement in the gas separation efficiency and placed them in the 2008 Robeson upper bound are also included in this review. This review will serve as a guide to the future design of PA membranes for gas separations.
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3

Ray, Rod, Randi Wright Wytcherley, David Newbold, Scott McCray, Dwayne Friesen, and Dan Brose. "Synergistic, membrane-based hybrid separation systems." Journal of Membrane Science 62, no. 3 (October 1991): 347–69. http://dx.doi.org/10.1016/0376-7388(91)80047-a.

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4

Mondal, Arijit, and Chiranjib Bhattacharjee. "Membrane Transport for Gas Separation." Diffusion Foundations 23 (August 2019): 138–50. http://dx.doi.org/10.4028/www.scientific.net/df.23.138.

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Gas separations through organic membranes have been investigated from last several years and presently it has been accepted for commercial applications. This chapter will focus on membrane based gas separation mechanism as well as its application. This chapter will cover ‘‘diffusivity controlled’’ and ‘‘solubility controlled’’ mechanism and choice of suitable polymers for different gas phase applications like acidic gas, C3+ hydrocarbon, nitrogen, water vapor and helium. Diffusivity controlled mechanism performs on free volume elements of the glassy polymers via hindrance of chain packing by functional groups and restricted by the permselectivity. Other mechanism performs on the basis of molecular structure with affinity towards the target molecule and follows enhanced solution-diffusion rout. Commercially available organic membrane materials for Carbon dioxide (CO2) removal are discussed along with process design. Membranes based separation process for heavy hydrocarbon recovery, nitrogen separation, helium separation and dehydration are less developed. This article will help us to focus on the future direction of those applications based on membrane technology. Keywords: Membrane, C3+ hydrocarbon, Diffusivity controlled, Solubility controlled, Selectivity, Permeability. *Corresponding author: E-mail address: c.bhatta@gmail.com (Chiranjib Bhattacharjee), Tel.: +91-9836402118.
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5

Siagian, Utjok W. R., Anggit Raksajati, Nurul F. Himma, K. Khoiruddin, and I. G. Wenten. "Membrane-based carbon capture technologies: Membrane gas separation vs. membrane contactor." Journal of Natural Gas Science and Engineering 67 (July 2019): 172–95. http://dx.doi.org/10.1016/j.jngse.2019.04.008.

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6

Tang, Chao, Andriy Yaroshchuk, and Merlin L. Bruening. "Ion Separations Based on Spontaneously Arising Streaming Potentials in Rotating Isoporous Membranes." Membranes 12, no. 6 (June 18, 2022): 631. http://dx.doi.org/10.3390/membranes12060631.

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Highly selective ion separations are vital for producing pure salts, and membrane-based separations are promising alternatives to conventional ion-separation techniques. Our previous work demonstrated that simple pressure-driven flow through negatively charged isoporous membranes can separate Li+ and K+ with selectivities as high as 70 in dilute solutions. The separation mechanism relies on spontaneously arising streaming potentials that induce electromigration, which opposes advection and separates cations based on differences in their electrophoretic mobilities. Although the separation technique is simple, this work shows that high selectivities are possible only with careful consideration of experimental conditions including transmembrane pressure, solution ionic strength, the K+/Li+ ratio in the feed, and the extent of concentration polarization. Separations conducted with a rotating membrane show Li+/K+ selectivities as high as 150 with a 1000 rpm membrane rotation rate, but the selectivity decreases to 1.3 at 95 rpm. These results demonstrate the benefits and necessity of quantitative control of concentration polarization in highly selective separations. Increases in solution ionic strength or the K+/Li+ feed ratio can also decrease selectivities more than an order of magnitude.
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7

Zakuwan, Siti Zarina, Ishak Ahmad, Nurfaizah Abu Tahrim, and Faizal Mohamed. "Functional Hydrophilic Membrane for Oil–Water Separation Based on Modified Bio-Based Chitosan–Gelatin." Polymers 13, no. 7 (April 6, 2021): 1176. http://dx.doi.org/10.3390/polym13071176.

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In this study, we fabricated a modified biomaterial based on chitosan and gelatin, which is an intrinsic hydrophilic membrane for oil–water separation to clean water contamination by oil. Modification of the membrane with a non-toxic natural crosslinker, genipin, significantly enhanced the stability of the biopolymer membrane in a water-based medium towards an eco-friendly environment. The effects of various compositions of genipin-crosslinked chitosan–gelatin membrane on the rheological properties, thermal stability, and morphological structure of the membrane were investigated using a dynamic rotational rheometer, thermogravimetry analysis, and chemical composition by attenuated total reflectance spectroscopy (ATR). Modified chitosan–gelatin membrane showed completely miscible blends, as determined by field-emission scanning electron microscopy, differential scanning calorimetry, and ATR. Morphological results showed membrane with establish microstructure to further experiment as filtration product. The membranes were successfully tested for their oil–water separation efficiencies. The membrane proved to be selective and effective in separating water from an oil–water mixture. The optimum results achieved a stable microporous structure of the membrane (microfiltration) and a separation efficiency of above 98%. The membrane showed a high permeation flux, generated as high as 698 and 420 L m−2 h−1 for cooking and crude oils, respectively. Owing to its outstanding recyclability and anti-fouling performance, the membrane can be washed away easily, ensuring the reusability of the prepared membrane.
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8

Li, Jian, Xin Li, and Bart Van der Bruggen. "An MXene-based membrane for molecular separation." Environmental Science: Nano 7, no. 5 (2020): 1289–304. http://dx.doi.org/10.1039/c9en01478k.

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9

Murali, R. Surya, T. Sankarshana, and S. Sridhar. "Air Separation by Polymer-based Membrane Technology." Separation & Purification Reviews 42, no. 2 (January 2013): 130–86. http://dx.doi.org/10.1080/15422119.2012.686000.

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10

Dharupaneedi, Suhas P., Sanna Kotrappanavar Nataraj, Mallikarjuna Nadagouda, Kakarla Raghava Reddy, Shyam S. Shukla, and Tejraj M. Aminabhavi. "Membrane-based separation of potential emerging pollutants." Separation and Purification Technology 210 (February 2019): 850–66. http://dx.doi.org/10.1016/j.seppur.2018.09.003.

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11

Park, Jung Hyeok, and Rajkumar Patel. "Ionic Liquid based Carbon Dioxide Separation Membrane." Membrane Journal 30, no. 3 (June 30, 2020): 149–57. http://dx.doi.org/10.14579/membrane_journal.2020.30.3.149.

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12

Tekić, Miodrag N., Branislav Pekić, Gyula Vatai, and Zoran Zeković. "Separation of Lanatosides by Membrane-Based Extraction." Separation Science and Technology 29, no. 4 (February 1994): 551–56. http://dx.doi.org/10.1080/01496399408002162.

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13

Guha, A. K., P. V. Shanbhag, K. K. Sirkar, C. H. Yun, D. Trivedi, and D. Vaccari. "Novel membrane-based separation and oxidation technologies." Waste Management 13, no. 5-7 (January 1993): 395–401. http://dx.doi.org/10.1016/0956-053x(93)90072-5.

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14

Damle, Shilpa, and W. J. Koros. "?Sorp-vection?: An unusual membrane-based separation." AIChE Journal 51, no. 5 (2005): 1396–405. http://dx.doi.org/10.1002/aic.10399.

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15

Raza, Ayesha, Sarah Farrukh, Arshad Hussain, Imranullah Khan, Mohd Hafiz Dzarfan Othman, and Muhammad Ahsan. "Performance Analysis of Blended Membranes of Cellulose Acetate with Variable Degree of Acetylation for CO2/CH4 Separation." Membranes 11, no. 4 (March 29, 2021): 245. http://dx.doi.org/10.3390/membranes11040245.

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The separation and capture of CO2 have become an urgent and important agenda because of the CO2-induced global warming and the requirement of industrial products. Membrane-based technologies have proven to be a promising alternative for CO2 separations. To make the gas-separation membrane process more competitive, productive membrane with high gas permeability and high selectivity is crucial. Herein, we developed new cellulose triacetate (CTA) and cellulose diacetate (CDA) blended membranes for CO2 separations. The CTA and CDA blends were chosen because they have similar chemical structures, good separation performance, and its economical and green nature. The best position in Robeson’s upper bound curve at 5 bar was obtained with the membrane containing 80 wt.% CTA and 20 wt.% CDA, which shows the CO2 permeability of 17.32 barrer and CO2/CH4 selectivity of 18.55. The membrane exhibits 98% enhancement in CO2/CH4 selectivity compared to neat membrane with only a slight reduction in CO2 permeability. The optimal membrane displays a plasticization pressure of 10.48 bar. The newly developed blended membranes show great potential for CO2 separations in the natural gas industry.
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16

Ikeda, Masakazu. "Separation Technologies in Refineries and the Potential of Membrane–based Separation Technologies." MEMBRANE 40, no. 4 (2015): 201–4. http://dx.doi.org/10.5360/membrane.40.201.

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17

Peinemann, Klaus Viktor. "Membrane Based Gas Separation – past, presence and future." MEMBRANE 31, no. 3 (2006): 165–69. http://dx.doi.org/10.5360/membrane.31.165.

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18

Karimi, Mohammad Bagher, Ghader Khanbabaei, and Gity Mir Mohamad Sadeghi. "Vegetable oil-based polyurethane membrane for gas separation." Journal of Membrane Science 527 (April 2017): 198–206. http://dx.doi.org/10.1016/j.memsci.2016.12.008.

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19

Hu, Wei, Xiaojun Wu, Zhenyu Li, and Jinlong Yang. "Helium separation via porous silicene based ultimate membrane." Nanoscale 5, no. 19 (2013): 9062. http://dx.doi.org/10.1039/c3nr02326e.

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20

Heß, Sandra, Frank Pithan, Claudia Staudt-Bickel, and Rüdiger N. Lichtenthaler. "Membrane Based Aromatic/Aliphatic Separation with Crosslinked Copolyimides." Chemie Ingenieur Technik 73, no. 6 (June 2001): 726. http://dx.doi.org/10.1002/1522-2640(200106)73:6<726::aid-cite7263333>3.0.co;2-8.

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21

Soni, V., J. Abildskov, G. Jonsson, and R. Gani. "A general model for membrane-based separation processes." Computers & Chemical Engineering 33, no. 3 (March 2009): 644–59. http://dx.doi.org/10.1016/j.compchemeng.2008.08.004.

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22

Zou, Xiaoqin, and Guangshan Zhu. "Microporous Organic Materials for Membrane‐Based Gas Separation." Advanced Materials 30, no. 3 (October 24, 2017): 1700750. http://dx.doi.org/10.1002/adma.201700750.

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23

Schmeling, Nadine, Roman Konietzny, Daniel Sieffert, Patrick Rölling, and Claudia Staudt. "Functionalized copolyimide membranes for the separation of gaseous and liquid mixtures." Beilstein Journal of Organic Chemistry 6 (August 12, 2010): 789–800. http://dx.doi.org/10.3762/bjoc.6.86.

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Functionalized copolyimides continue to attract much attention as membrane materials because they can fulfill the demands for industrial applications. Thus not only good separation characteristics but also high temperature stability and chemical resistance are required. Furthermore, it is very important that membrane materials are resistant to plasticization since it has been shown that this phenomenon leads to a significant increase in permeability with a dramatic loss in selectivity. Plasticization effects occur with most polymer membranes at high CO2 concentrations and pressures, respectively. Plasticization effects are also observed with higher hydrocarbons such as propylene, propane, aromatics or sulfur containing aromatics. Unfortunately, these components are present in mixtures of high commercial relevance and can be separated economically by single membrane units or hybrid processes where conventional separation units are combined with membrane-based processes. In this paper the advantages of carboxy group containing 6FDA (4,4′-hexafluoroisopropylidene diphthalic anhydride) -copolyimides are discussed based on the experimental results for non cross-linked, ionically and covalently cross-linked membrane materials with respect to the separation of olefins/paraffins, e.g. propylene/propane, aromatic/aliphatic separation e.g. benzene/cyclohexane as well as high pressure gas separations, e.g. CO2/CH4 mixtures. In addition, opportunities for implementing the membrane units in conventional separation processes are discussed.
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24

Shekhah, Osama, Valeriya Chernikova, Youssef Belmabkhout, and Mohamed Eddaoudi. "Metal–Organic Framework Membranes: From Fabrication to Gas Separation." Crystals 8, no. 11 (October 31, 2018): 412. http://dx.doi.org/10.3390/cryst8110412.

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Gas membrane-based separation is considered one of the most effective technologies to address energy efficiency and large footprint challenges. Various classes of advanced materials, including polymers, zeolites, porous carbons, and metal–organic frameworks (MOFs) have been investigated as potential suitable candidates for gas membrane-based separations. MOFs possess a uniquely tunable nature in which the pore size and environment can be controlled by connecting metal ions (or metal ion clusters) with organic linkers of various functionalities. This unique characteristic makes them attractive for the fabrication of thin membranes, as both the diffusion and solubility components of permeability can be altered. Numerous studies have been published on the synthesis and applications of MOFs, as well as the fabrication of MOF-based thin films. However, few studies have addressed their gas separation properties for potential applications in membrane-based separation technologies. Here, we present a synopsis of the different types of MOF-based membranes that have been fabricated over the past decade. In this review, we start with a short introduction touching on the gas separation membrane technology. We also shed light on the various techniques developed for the fabrication of MOF as membranes, and the key challenges that still need to be tackled before MOF-based membranes can successfully be used in gas separation and implemented in an industrial setting.
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25

Jiang, Zhongyi, Liangyin Chu, Xuemei Wu, Zhi Wang, Xiaobin Jiang, Xiaojie Ju, Xuehua Ruan, and Gaohong He. "Membrane-based separation technologies: from polymeric materials to novel process: an outlook from China." Reviews in Chemical Engineering 36, no. 1 (December 18, 2019): 67–105. http://dx.doi.org/10.1515/revce-2017-0066.

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Abstract During the past two decades, research on membrane and membrane-based separation process has developed rapidly in water treatment, gas separation, biomedicine, biotechnology, chemical manufacturing and separation process integration. In China, remarkable progresses on membrane preparation, process development and industrial application have been made with the burgeoning of the domestic economy. This review highlights the recent development of advanced membranes in China, such as smart membranes for molecular-recognizable separation, ion exchange membrane for chemical productions, antifouling membrane for liquid separation, high-performance gas separation membranes and the high-efficiency hybrid membrane separation process design, etc. Additionally, the applications of advanced membranes, relevant devices and process design strategy in chemical engineering related fields are discussed in detail. Finally, perspectives on the future research directions, key challenges and issues in membrane separation are concluded.
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26

Strniša, Filip, Polona Žnidaršič-Plazl, and Igor Plazl. "Lattice Boltzmann Modeling-based Design of a Membrane-free Liquid-liquid Microseparator." Chemical & biochemical engineering quarterly 34, no. 2 (2020): 73–78. http://dx.doi.org/10.15255/cabeq.2020.1781.

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The benefits of continuous processing and the challenges related to the integration with efficient downstream units for end-to-end manufacturing have spurred the development of efficient miniaturized continuously-operated separators. Membrane-free microseparators with specifically positioned internal structures subjecting fluids to a capillary pressure gradient have been previously shown to enable efficient gas-liquid separation. Here we present initial studies on the model-based design of a liquid-liquid microseparator with pillars of various diameters between two plates. For the optimization of in silico separator performance, mesoscopic lattice-Boltzmann modeling was used. Simulation results at various conditions revealed the possibility to improve the separation of two liquids by changing the geometrical characteristics of the microseparator.
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27

Zhang, Tao, Chenguang Li, and Shuyu Sun. "Effect of Temperature on Oil–Water Separations Using Membranes in Horizontal Separators." Membranes 12, no. 2 (February 17, 2022): 232. http://dx.doi.org/10.3390/membranes12020232.

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The effect of temperature on oil–water separations is studied in this paper, focusing on the changed penetration velocities of water droplets on the separation membrane in a horizontal separator. A compact numerical scheme is developed based on the phase-field model, and the temperature effect is first theoretically analyzed regarding the key thermodynamic properties that may affect the separation performance. The computational scenario is designed based on practical horizontal separators in the oil field, and the droplet motions in the oil–water two-phase flow are simulated using our scheme under various operation conditions. It was found that a higher temperature may result in a faster penetration of the water droplets, and a larger density difference in the oil–water system is also preferred to accelerate the separation using membranes. Furthermore, increasing the operation temperature is proved to benefit the separation of water and heavy oil.
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28

Kim, Gijung, Min Chul Park, Seonae Jang, Daeyoung Han, Hojun Kim, Wonjune Kim, Honggu Chun, and Sunghoon Kim. "Diffusion-Based Separation of Extracellular Vesicles by Nanoporous Membrane Chip." Biosensors 11, no. 9 (September 19, 2021): 347. http://dx.doi.org/10.3390/bios11090347.

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Extracellular vesicles (EVs) have emerged as novel biomarkers and therapeutic material. However, the small size (~200 nm) of EVs makes efficient separation challenging. Here, a physical/chemical stress-free separation of EVs based on diffusion through a nanoporous membrane chip is presented. A polycarbonate membrane with 200 nm pores, positioned between two chambers, functions as the size-selective filter. Using the chip, EVs from cell culture media and human serum were separated. The separated EVs were analyzed by nanoparticle tracking analysis (NTA), scanning electron microscopy, and immunoblotting. The experimental results proved the selective separation of EVs in cell culture media and human serum. Moreover, the diffusion-based separation showed a high yield of EVs in human serum compared to ultracentrifuge-based separation. The EV recovery rate analyzed from NTA data was 42% for cell culture media samples. We expect the developed method to be a potential tool for EV separation for diagnosis and therapy because it does not require complicated processes such as immune, chemical reaction, and external force and is scalable by increasing the nanoporous membrane size.
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29

Yang, Qing, Xin Qiu, and Xiang Shen. "Concentration Polarization BP Model of Nanofiltration Separation." Advanced Materials Research 305 (July 2011): 247–50. http://dx.doi.org/10.4028/www.scientific.net/amr.305.247.

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In order to effectively control the influence of Concentration Polarization (CP) during the nanofiltration separating wastewater process, this study applied parameters characterization of membrane flux attenuation coefficient (mwt) and the Back-propagation (BP) neural network algorithm to simulate the development rules of CP and membrane pollution, set up CP BP Model of Nanofiltration Separation, based on the tested data of NF90. The correlation coefficient between simulation and test of the simulation BP model was over 0.99, with the absoluteness error below 1.5%. According to the model’s prediction, the separation effect of nanofiltration technology become attenuate with running time increasing in nanofiltration separating wastewater process. mwtstart raised obviously within first 0.5h in operation and stay stable after 1h. It was advised to appropriately maintain u>0.2m/s for NF90 membrane effectively controlling mwt<0.1.
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30

Yi, Shouliang, Bader Ghanem, Yang Liu, Ingo Pinnau, and William J. Koros. "Ultraselective glassy polymer membranes with unprecedented performance for energy-efficient sour gas separation." Science Advances 5, no. 5 (May 2019): eaaw5459. http://dx.doi.org/10.1126/sciadv.aaw5459.

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Membrane-based separation of combined acid gases carbon dioxide and hydrogen sulfide from natural gas streams has attracted increasing academic and commercial interest. These feeds are referred to as “sour,” and herein, we report an ultra H2S-selective and exceptionally permeable glassy amidoxime-functionalized polymer of intrinsic microporosity for membrane-based separation. A ternary feed mixture (with 20% H2S:20% CO2:60% CH4) was used to demonstrate that a glassy amidoxime-functionalized membrane provides unprecedented separation performance under challenging feed pressures up to 77 bar. These membranes show extraordinary H2S/CH4 selectivity up to 75 with ultrahigh H2S permeability >4000 Barrers, two to three orders of magnitude higher than commercially available glassy polymeric membranes. We demonstrate that the postsynthesis functionalization of hyper-rigid polymers with appropriate functional polar groups provides a unique design strategy for achieving ultraselective and highly permeable membrane materials for practical natural gas sweetening and additional challenging gas pair separations.
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31

Zhang, Hongli, Yiling Zheng, Shuwen Yu, Weixing Chen, and Jie Yang. "A Review of Advancing Two-Dimensional Material Membranes for Ultrafast and Highly Selective Liquid Separation." Nanomaterials 12, no. 12 (June 18, 2022): 2103. http://dx.doi.org/10.3390/nano12122103.

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Membrane-based nanotechnology possesses high separation efficiency, low economic and energy consumption, continuous operation modes and environmental benefits, and has been utilized in various separation fields. Two-dimensional nanomaterials (2DNMs) with unique atomic thickness have rapidly emerged as ideal building blocks to develop high-performance separation membranes. By rationally tailoring and precisely controlling the nanochannels and/or nanoporous apertures of 2DNMs, 2DNM-based membranes are capable of exhibiting unprecedentedly high permeation and selectivity properties. In this review, the latest breakthroughs in using 2DNM-based membranes as nanosheets and laminar membranes are summarized, including their fabrication, structure design, transport behavior, separation mechanisms, and applications in liquid separations. Examples of advanced 2D material (graphene family, 2D TMDs, MXenes, metal–organic frameworks, and covalent organic framework nanosheets) membrane designs with remarkably perm-selective properties are highlighted. Additionally, the development of strategies used to functionalize membranes with 2DNMs are discussed. Finally, current technical challenges and emerging research directions of advancing 2DNM membranes for liquid separation are shared.
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32

Vermaak, Leandri, Hein W. J. P. Neomagus, and Dmitri G. Bessarabov. "Recent Advances in Membrane-Based Electrochemical Hydrogen Separation: A Review." Membranes 11, no. 2 (February 13, 2021): 127. http://dx.doi.org/10.3390/membranes11020127.

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In this paper an overview of commercial hydrogen separation technologies is given. These technologies are discussed and compared—with a detailed discussion on membrane-based technologies. An emerging and promising novel hydrogen separation technology, namely, electrochemical hydrogen separation (EHS) is reviewed in detail. EHS has many advantages over conventional separation systems (e.g., it is not energy intensive, it is environmentally-friendly with near-zero pollutants, it is known for its silent operation, and, the greatest advantage, simultaneous compression and purification can be achieved in a one-step operation). Therefore, the focus of this review is to survey open literature and research conducted to date on EHS. Current technological advances in the field of EHS that have been made are highlighted. In the conclusion, literature gaps and aspects of electrochemical hydrogen separation, that require further research, are also highlighted. Currently, the cost factor, lack of adequate understanding of the degradation mechanisms related to this technology, and the fact that certain aspects of this technology are as yet unexplored (e.g., simultaneous hydrogen separation and compression) all hinder its widespread application. In future research, some attention could be given to the aforementioned factors and emerging technologies, such as ceramic proton conductors and solid acids.
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33

Fujikawa, Shigenori, Roman Selyanchyn, and Toyoki Kunitake. "A new strategy for membrane-based direct air capture." Polymer Journal 53, no. 1 (October 15, 2020): 111–19. http://dx.doi.org/10.1038/s41428-020-00429-z.

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AbstractDirect CO2 capture from the air, so-called direct air capture (DAC), has become inevitable to reduce the concentration of CO2 in the atmosphere. Current DAC technologies consider only sorbent-based systems. Recently, there have been reports that show ultrahigh CO2 permeances in gas separation membranes and thus membrane separation could be a potential new technology for DAC in addition to sorbent-based CO2 capture. The simulation of chemical processes has been well established and is commonly used for the development and performance assessment of industrial chemical processes. These simulations offer a credible assessment of the feasibility of membrane-based DAC (m-DAC). In this paper, we discuss the potential of m-DAC considering the state-of-the-art performance of organic polymer membranes. The multistage membrane separation process was employed in process simulation to estimate the energy requirements for m-DAC. Based on the analysis, we propose the target membrane separation performance required for m-DAC with competitive energy expenses. Finally, we discuss the direction of future membrane development for DAC.
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34

Liu, Yunxia, Honghai Liu, and Zhongrong Shen. "Nanocellulose Based Filtration Membrane in Industrial Waste Water Treatment: A Review." Materials 14, no. 18 (September 18, 2021): 5398. http://dx.doi.org/10.3390/ma14185398.

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In the field of industrial wastewater treatment, membrane separation technology, as an emerging separation technology, compared with traditional separation technology such as precipitation, adsorption, and ion exchange, has advantages in separation efficiency, low energy consumption, low cost, simple operation, and no secondary pollution. The application has been expanding in recent years, but membrane fouling and other problems have seriously restricted the development of membrane technology. Natural cellulose is one of the most abundant resources in nature. In addition, nanocellulose has characteristics of high strength and specific surface area, surface activity groups, as well as being pollution-free and renewable, giving it a very wide development prospect in many fields, including membrane separation technology. This paper reviews the current status of nanocellulose filtration membrane, combs the widespread types of nanocellulose and its derivatives, and summarizes the current application of cellulose in membrane separation. In addition, for the purpose of nanocellulose filtration membrane in wastewater treatment, nanocellulose membranes are divided into two categories according to the role in filtration membrane: the application of nanocellulose as membrane matrix material and as a modified additive in composite membrane in wastewater treatment. Finally, the advantages and disadvantages of inorganic ceramic filtrations and nanocellulose filtrations are compared, and the application trend of nanocellulose in the filtration membrane direction is summarized and discussed.
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35

Marshall, Bennett D., Wenjun Li, and Ryan P. Lively. "Dry Glass Reference Perturbation Theory Predictions of the Temperature and Pressure Dependent Separations of Complex Liquid Mixtures Using SBAD-1 Glassy Polymer Membranes." Membranes 12, no. 7 (July 12, 2022): 705. http://dx.doi.org/10.3390/membranes12070705.

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In this work we apply dry glass reference perturbation theory (DGRPT) within the context of fully mutualized diffusion theory to predict the temperature and pressure dependent separations of complex liquid mixtures using SBAD-1 glassy polymer membranes. We demonstrate that the approach allows for the prediction of the membrane-based separation of complex liquid mixtures over a wide range of temperature and pressure, using only single-component vapor sorption isotherms measured at 25 °C to parameterize the model. The model was then applied to predict the membrane separation of a light shale crude using a structure oriented lumping (SOL) based compositional model of petroleum. It was shown that when DGRPT is applied based on SOL compositions, the combined model allows for the accurate prediction of separation performance based on the trend of both molecular weight and molecular class.
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36

Zou, Dong, and Zhaoxiang Zhong. "Novel Membranes for Environmental Application." Membranes 12, no. 6 (June 15, 2022): 623. http://dx.doi.org/10.3390/membranes12060623.

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Membrane-based separations for water purification and gas separation have been applied extensively to address the global challenges of water scarcity and the pollution of aquatic and air environments [...]
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37

Guo, Meng, and Masakoto Kanezashi. "Recent Progress in a Membrane-Based Technique for Propylene/Propane Separation." Membranes 11, no. 5 (April 23, 2021): 310. http://dx.doi.org/10.3390/membranes11050310.

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The similar physico-chemical properties of propylene and propane molecules have made the separation process of propylene/propane challenging. Membrane separation techniques show substantial prospects in propylene/propane separation due to their low energy consumption and investment costs, and they have been proposed to replace or to be combined with the conventional cryogenic distillation process. Over the past decade, organosilica membranes have attracted considerable attention due to their significant features, such as their good molecular sieving properties and high hydrothermal stability. In the present review, holistic insight is provided to summarize the recent progress in propylene/propane separation using polymeric, inorganic, and hybrid membranes, and a particular inspection of organosilica membranes is conducted. The importance of the pore subnano-environment of organosilica membranes is highlighted, and future directions and perspectives for propylene/propane separation are also provided.
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38

Zhang, Qing‐Pu, Zhen Wang, Zhe‐Wen Zhang, Tian‐Long Zhai, Jing‐Jing Chen, Hui Ma, Bien Tan, and Chun Zhang. "Triptycene‐based Chiral Porous Polyimides for Enantioselective Membrane Separation." Angewandte Chemie International Edition 60, no. 23 (April 29, 2021): 12781–85. http://dx.doi.org/10.1002/anie.202102350.

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39

Zhang, Qing‐Pu, Zhen Wang, Zhe‐Wen Zhang, Tian‐Long Zhai, Jing‐Jing Chen, Hui Ma, Bien Tan, and Chun Zhang. "Triptycene‐based Chiral Porous Polyimides for Enantioselective Membrane Separation." Angewandte Chemie 133, no. 23 (April 29, 2021): 12891–95. http://dx.doi.org/10.1002/ange.202102350.

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40

Sanip, S. M., A. F. Ismail, P. S. Goh, M. N. A. Norrdin, T. Soga, Masaki Tanemura, and H. Yasuhiko. "Carbon Nanotubes Based Mixed Matrix Membrane for Gas Separation." Advanced Materials Research 364 (October 2011): 272–77. http://dx.doi.org/10.4028/www.scientific.net/amr.364.272.

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Mixed matrix membranes (MMM) combine useful molecular sieving properties of inorganic fillers with the desirable mechanical and processing properties of polymers. The current trend in polymeric membranes is the incorporation of filler-like nanoparticles to improve the separation performance. Most MMM have shown higher gas permeabilities and improved gas selectivities compared to the corresponding pure polymer membranes. Carbon nanotubes based mixed matrix membrane was prepared by the solution casting method in which the functionalized multiwalled carbon nanotubes (f-MWNTs) were embedded into the polyimide membrane and the resulting membranes were characterized. The effect of nominal MWNTs content between 0.5 and 1.0 wt% on the gas separation properties were looked into. The as-prepared membranes were characterized for their morphology using field emission scanning electron microscopy (FESEM) and Transmission Electron Microscopy (TEM). The morphologies of the MMM also indicated that at 0.7 % loading of f-MWNTs, the structures of the MMM showed uniform finger-like structures which have facilitated the fast gas transport through the polymer matrix. It may also be concluded that addition of open ended and shortened MWNTs to the polymer matrix can improve its permeability by increasing diffusivity through the MWNTs smooth cavity.
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41

Singla, Shelly, Nagaraj P. Shetti, Soumen Basu, Kunal Mondal, and Tejraj M. Aminabhavi. "Hydrogen production technologies - Membrane based separation, storage and challenges." Journal of Environmental Management 302 (January 2022): 113963. http://dx.doi.org/10.1016/j.jenvman.2021.113963.

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42

Tishin, A. A., and V. N. Gurkin. "Air conditioning system based on membrane gas separation technology." Journal of Physics: Conference Series 1696 (December 2020): 012033. http://dx.doi.org/10.1088/1742-6596/1696/1/012033.

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43

Huang, Shasheng, Chun Sheng, Zhifang Yin, Jian Shen, Ruina Li, and Bin Peng. "Immunoreaction-based separation of antibodies using gold nanotubules membrane." Journal of Membrane Science 305, no. 1-2 (November 2007): 257–62. http://dx.doi.org/10.1016/j.memsci.2007.08.009.

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44

de Castro, M. D. Luque, F. Priego Capote, and N. Sánchez Ávila. "Is dialysis alive as a membrane-based separation technique?" TrAC Trends in Analytical Chemistry 27, no. 4 (April 2008): 315–26. http://dx.doi.org/10.1016/j.trac.2008.01.015.

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45

Mirtaheri, Elnaz, Ata Dolatmoradi, and Bilal El-Zahab. "Thermally Assisted Acoustofluidic Separation Based on Membrane Protein Content." Analytical Chemistry 91, no. 21 (October 8, 2019): 13953–61. http://dx.doi.org/10.1021/acs.analchem.9b03485.

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46

Yavari, Milad, Minfeng Fang, Hien Nguyen, Timothy C. Merkel, Haiqing Lin, and Yoshiyuki Okamoto. "Dioxolane-Based Perfluoropolymers with Superior Membrane Gas Separation Properties." Macromolecules 51, no. 7 (March 19, 2018): 2489–97. http://dx.doi.org/10.1021/acs.macromol.8b00273.

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47

Tanudjaja, Henry J., Charifa A. Hejase, Volodymyr V. Tarabara, Anthony G. Fane, and Jia Wei Chew. "Membrane-based separation for oily wastewater: A practical perspective." Water Research 156 (June 2019): 347–65. http://dx.doi.org/10.1016/j.watres.2019.03.021.

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48

Zhu, Xiaoshan. "Micro/nanoporous membrane based gas–water separation in microchannel." Microsystem Technologies 15, no. 9 (July 24, 2009): 1459–65. http://dx.doi.org/10.1007/s00542-009-0903-5.

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49

Ben-Mansour, Rached, Ahmed Abuelyamen, and Mohamed A. Habib. "CFD modeling of hydrogen separation through Pd-based membrane." International Journal of Hydrogen Energy 45, no. 43 (September 2020): 23006–19. http://dx.doi.org/10.1016/j.ijhydene.2020.06.141.

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Koch, Katharina, Daniel Sudhoff, Stefan Kreiß, Andrzej Górak, and Peter Kreis. "Optimisation-based design method for membrane-assisted separation processes." Chemical Engineering and Processing: Process Intensification 67 (May 2013): 2–15. http://dx.doi.org/10.1016/j.cep.2012.09.013.

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