Article
Chemistry, Physical
Masaki Itatani, Qing Fang, Istvan Lagzi, Hideki Nabika
Summary: Dissipative patterns with solid-phase transitions are common in nature, however, the unified understanding of the mechanisms behind such pattern formation is lacking. The Liesegang pattern is a typical model that describes dissipative pattern formation, but the conventional mechanism lacks practicality. This study demonstrates a novel experimental system based on phase transition and separation mechanisms, showing that pattern formation is driven by a macroscopic phase-separation mechanism and does not require nucleation. The findings suggest that the chemical Liesegang system can be applied as a practical model for understanding similar dissipative pattern formation mechanisms.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2022)
Article
Engineering, Chemical
H. Manzanarez, J. P. Mericq, P. Guenoun, D. Bouyer
Summary: In this study, numerical simulations of polymeric membrane formation were conducted with a focus on the coupling between phase separation and solvent evaporation. It was found that solvent evaporation had a strong influence near the upper interface, leading to the formation of a dense skin whose kinetics depended on initial polymer concentration and mass transfer coefficient. Beneath this dense skin, the system tended to relax to minimize free energy, resulting in homogeneous phase separation in the bulk solution weakly affected by solvent evaporation.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Review
Chemistry, Multidisciplinary
Ping Fang, Shurong Cui, Zhaoyang Song, Longtao Zhu, Mingshan Du, Chaoyu Yang
Summary: The study used the phase-field model of the Nonsolvent Induced Phase Separation (NIPS) method to simulate the changes in membrane formation with temperature variation. It focused on the influence of coagulation bath temperature change on the skin-sublayer of a polyvinylidene fluoride (PVDF) membrane system, revealing the development process of the membrane structure under different conditions and determining the optimal coagulation bath temperature ranges. The results showed that higher coagulation bath temperature led to a decrease in the number but an increase in the size of interface pores in the outer skin layer, resulting in a transition from crack shape to round-hole shape and a looser pore structure. In the sublayer, the mesh support structure increased, enhancing the mechanical strength of the membrane. The effectiveness of the model was also confirmed by relevant experiments.
Article
Physics, Applied
Kamalnath Kadirvel, Zachary Kloenne, Jacob K. Jensen, Hamish Fraser, Yunzhi Wang
Summary: This study investigates the microstructure and phase transformation pathway of a newly developed refractory alloy, proposing a new possibility of inverted microstructure.
APPLIED PHYSICS LETTERS
(2021)
Article
Nanoscience & Nanotechnology
Jonghyun Jeong, Moritz Roscher, Woojin An, Sujung Son, Jae Bok Seol, Hyokyung Sung, Hyoung Seop Kim, Eric Jagle, Jung Gi Kim
Summary: Designing a metastable microstructure with coherent nano-sized precipitations in the matrix is an effective approach to improve materials' strength. In this study, the evolution of nano-sized Cu-rich clusters in an AM-processed Fe-15Cu-15Ni alloy was investigated. The results indicate that the laser-based AM process induced phase decomposition and led to the formation of nano-sized Cu-rich clusters, which contributed to the increase in average cluster size and hardness of the alloy. Adjusting the processing parameters can optimize the mechanical properties of materials by enabling nano-sized cluster and phase formation.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2022)
Article
Materials Science, Multidisciplinary
Jie Zhang, Chun Hu, Li Chen, Yi Kong, Yong Du, P. H. Mayrhofer
Summary: In this study, the effect of O-addition on Ti1-xAlxN coatings was investigated. It was found that the incorporation of oxygen did not affect the hardness of the films in their as-deposited state, but it increased the peak hardness after annealing. First-principles calculations revealed that oxygen retards thermal decomposition by increasing diffusion activation energy for Al diffusion.
Article
Chemistry, Physical
Dorothy Gogoi, Avinash Chauhan, Sanjay Puri, Awaneesh Singh
Summary: This paper investigates the phase separation kinetics of ternary fluid mixtures composed of a polymeric component (C) and two simple fluids (A and B) using dissipative particle dynamics simulations. The study focuses on the formation of polymer coated morphologies at the interface of fluids A and B, which can alter the interfacial properties. The effects of various parameters, such as polymeric concentration, chain stiffness, and length, on the phase separation kinetics are examined. The simulation results show that changes in the polymer concentration and rigidity affect the growth rate and dynamic scaling of the evolved coated morphologies, while changes in the polymer chain length significantly impact the length scale and dynamic scaling.
Article
Nanoscience & Nanotechnology
Yalong Wang, Mengyuan Hao, Dian Li, Pei Li, Qianglong Liang, Dong Wang, Yufeng Zheng, Qiaoyan Sun, Yunzhi Wang
Summary: A simple two-step aging heat treatment was proposed to design a bimodal microstructure with fine-scale and coarse alpha precipitates in a beta-titanium alloy. The multi-scale alpha microstructure exhibited a synergistic combination of yield strength and ductility, with deformation twins contributing to increased ductility and dislocation tangles contributing to higher strength. This work provides a new strategy to overcome the trade-off between strength and ductility by designing a heterogeneous microstructure.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2022)
Article
Physics, Fluids & Plasmas
Rounak Bhattacharyya, Bhaskar Sen Gupta
Summary: The study reveals that in the presence of annealed disorder, the phase separation dynamics of a segregating binary fluid mixture significantly slows down, with domain growth following a power law with a disorder-dependent exponent. The correlation function and structure factor show a non-Porod behavior, indicating that superuniversality does not hold in the system. Annealed disorder also impacts the nonequilibrium aging dynamics by slowing down the decay of the correlation function, which exhibits scaling laws in relation to the domain length and age of the system. The scaling laws are found to be robust and generic to such segregating fluid mixtures.
Article
Materials Science, Multidisciplinary
Liqiu Yong, Yang Zuo, Huabei Peng, Jie Chen, Qichao Fan, Qin Yang, Jiazhen Yan, Shuke Huang, Yuhua Wen
Summary: This study investigated the effect of Ni content on the precipitation behavior of nano-ordered particles in Fe-Mn-Al-Ni alloys. It was found that D0(3) nano-particles were precipitated with a Ni content of 2.1 at.%, while coherent B2 nano-particles were precipitated with Ni contents of 4.0-10.8 at.%. The average diameter of the B2 nano-particles increased linearly with increasing Ni content.
MATERIALS CHARACTERIZATION
(2022)
Article
Materials Science, Multidisciplinary
R. Silva, G. S. Vacchi, C. L. Kugelmeier, I. G. R. Santos, A. A. Mendes Filho, D. C. C. Magalhaes, C. R. M. Afonso, V. L. Sordi, C. A. D. Rovere
Summary: The study investigated the relationship between spinodal decomposition and the formation of Ni-rich clusters and G-phase in ferrite on the hardening and pitting corrosion of two thermally aged DSSs at 475 degrees C. It was found that for 2205 DSS, pitting corrosion behavior is influenced by G-phase precipitates, while for 2101 DSS, pitting corrosion resistance is mainly affected by the formation of Cr-richer nitrides.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Materials Science, Multidisciplinary
Weijiang Liu, Xinhe Gao, Xuehui Zhang, Longfei Zeng, Tahir Ahmad, Hang Wang, Bin Yang
Summary: The effect of vanadium (V) element on the kinetics and mechanism of continuous precipitation in Cu-3.2Ti-0.2Fe alloys was investigated. The addition of V element decreased the wavelength of spinodal decomposition and increased the activation energy, severely inhibiting the continuous precipitation. The refinement effect of V element on the precipitates enhanced the hardness of the aged alloys.
JOURNAL OF MATERIALS SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
R. Badyka, S. Saillet, J. Emo, C. Domain, C. Pareige
Summary: During ageing, the ferritic phase of Cast Austenitic Stainless Steels undergoes decomposition by spinodal decomposition and G-phase precipitation. The addition of Ni affects the spinodal decomposition kinetics, while Mo and Mn additions promote the precipitation of G-phase in the microstructure evolution.
JOURNAL OF NUCLEAR MATERIALS
(2021)
Review
Materials Science, Multidisciplinary
Bipin Sankar, Chaitanya Vinay, Jithin Vishnu, Karthik Shankar, G. P. Gokul Krishna, V Govind, A. J. Jayakrishna
Summary: This article evaluates the research and progress status of Cu-Ni-Sn-based spinodal alloys, focusing on the methods and technologies used to enhance the properties of cast Cu-Ni-Sn alloys in industrial applications. It introduces Cu-Ni-Sn alloys as a potential alternative to copper-beryllium alloys and provides a comprehensive overview of spinodal decomposition. The article explores the processing of Cu-Ni-Sn alloys through traditional casting and highlights strategies to overcome limitations. It also discusses novel processing routes for developing spinodal Cu-Ni-Sn alloys and highlights progress in fabricating these alloys using additive manufacturing techniques.
METALS AND MATERIALS INTERNATIONAL
(2023)
Article
Chemistry, Physical
Lue Huang, Lijun Peng, Xujun Mi, Gang Zhao, Guojie Huang, Haofeng Xie, Wenjing Zhang
Summary: This study investigated the microstructure and precipitation sequence of the Cu-3Ti-1Cr alloy and its strengthening mechanism. The Cu-3Ti-1Cr alloy aged at 500 degrees C showed a precipitation sequence of a supersaturated solid solution -> spinodal decomposition -> beta'-Cu4Ti phase. The orientation relationship between the Cu matrix and beta'-Cu4Ti precipitates was determined. The presence of Cr element played an important role in inhibiting discontinuous precipitation and ensuring stability.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Xiang-Meng Jia, Wen-Feng Lin, Huan-Yu Zhao, Hu-Jun Qian, Zhong-Yuan Lu
Summary: Through coarse-grained molecular dynamics simulations, the study found that the glass-transition temperature (T-g) shows a nearly linear increase with the cross-linking degree phi, which is qualitatively consistent with experimental measurements. The increase in T-g is attributed to the enlarged effective hard-core volume and the reduction in free volume of polymer segments caused by cross-links. The introduction of intra-molecular cross-linking bonds slows down structural relaxation and enhances local cooperative motion within SCNPs, leading to more pronounced dynamical heterogeneity observed for larger phi.
JOURNAL OF CHEMICAL PHYSICS
(2021)
Article
Chemistry, Inorganic & Nuclear
Peiqi Xing, Yue Liu, Bao Li, Zhi-Yong Dong, Hu-Jun Qian, Liyan Wang
Summary: In this study, the introduction of methoxy groups into a compound was found to promote conformational preference through intramolecular hydrogen bonding. Crystal structure analysis and density functional theory calculations revealed that the compound with methoxy substituents exhibited larger energy gaps between different conformations, leading to the expected conformation in crystals.
INORGANICA CHIMICA ACTA
(2022)
Article
Polymer Science
Fa Zhang, Zheng Gong, Wanhao Cai, Hu-jun Qian, Zhong-yuan Lu, Shuxun Cui
Summary: In this study, single-molecule AFM was used to measure the single-chain mechanics of vulcanized natural rubber, providing fundamental data for improving the statistical models.
Review
Chemistry, Multidisciplinary
Gao Huimin, Shi Rui, Zhu Youliang, Qian Hujun, Lu Zhongyuan
Summary: This article summarizes the application of coarse-grained dynamic simulations in polymers and their composite systems, discussing the characteristics and advantages of different simulation methods, as well as recent advances in studying the structure, properties, and physical mechanisms of polymer materials.
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
(2022)
Article
Polymer Science
Jinxia Yang, Yan Wang, Hu-jun Qian, Zhong-yuan Lu, Zheng Gong, Hong Liu, Shuxun Cui
Summary: By utilizing single-molecule atomic force microscopy (AFM) and molecular dynamics (MD) simulations, we investigated the interactions between polyformaldehyde (POM) and water at the single-chain level. The study revealed that force-induced hydrogen bonding occurs between POM and water during initial stretching, followed by a dehydration process under high force stretching.
Article
Polymer Science
Walter W. Young, Rui Shi, Xiang-Meng Jia, Hu-Jun Qian, Reika Katsumata
Summary: In this study, it was found that the product of the number of interaction sites and the filler volume fraction can explain the glass transition temperature of polymer nanocomposites, with excess interaction energy from hydrogen bonds responsible for the change in T-g in the system.
Article
Chemistry, Multidisciplinary
Xingfu Tao, Yang Li, Linxiuzi Yu, Yinshu Zhang, Chenglong Han, Yang Yang, Hujun Qian, Zhongyuan Lu, Kun Liu
Summary: In this study, a high-curvature 2D polymerization method is proposed to form highly cross-linked amphiphilic Gemini monomer networks on the surfaces of nanoparticles. Selective etching of core-shell nanoparticles allows for the formation of 2D polymers as non-contacting ligands on yolk-shell structures with excellent shape retention and high surface accessibility. Furthermore, the 2D polymer ligands can be covalently linked to other functional molecules through copolymerization.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Chunlei Xia, Jialin Li, Zhao Qian, Fengrui Xu, Yunfeng Li, Shoujun Zhu, Hu-jun Qian, Chengji Zhao, Zhong-Yuan Lu, Bai Yang
Summary: Polymer electrolyte membranes (PEMs) with simultaneously high ion conductivity and selectivity have been achieved by self-assembling ultra-small carbon dots (CDs) with selective barriers within proton-conducting channels. The functional CDs regulate the nanophase separation of PEMs and optimize the hydration proton network, enabling more efficient proton transport. Additionally, the CDs within proton-conducting channels prevent fuel permeation selectively, resulting in significantly improved selectivity. The direct methanol fuel cell (DMFC) equipped with the hybrid membranes showed a 23% increase in open-circuit voltage and a 93% increase in maximum power density. This work provides new insights for optimizing polymer membranes for efficient and selective transport, solving the trade-off between conductivity and selectivity.
Article
Chemistry, Physical
Yi-Lin Li, Xiang-Meng Jia, Xu-Ze Zhang, Zhong-Yuan Lu, Hu-Jun Qian
Summary: Polar groups have a significant impact on the glass transition temperature of polymers, and this study reveals that the increase in the content of polar groups leads to a nonlinear increase in T-g. The strength of hydrogen bonds plays a dominant role in determining T-g, and the rate of increase in T-g decreases with the increase of polar group content.
Article
Chemistry, Multidisciplinary
Song Zhang, Zhe Li, Yu Bao, Song Lu, Zheng Gong, Hu-jun Qian, Zhong-yuan Lu, Shuxun Cui
Summary: As the initially discovered allotrope of boron, amorphouselementaryboron (AE-B) has been reported for more than two centuries. Severalpossible structures of AE-B have been proposed during the past decades. However, the noncrystalline nature of AE-B has made it difficult to determine its structure. By analyzing the surface adsorption and using techniques such as atomic force microscopy and high-resolution transmission electron microscopy, researchers have been able to characterize the molecular structure of AE-B at the single-molecule and nanoscopic level.
Article
Polymer Science
Zhao Qian, You-Liang Zhu, Zhong-Yuan Lu, Hu-Jun Qian
Summary: This study investigates the influence of solvent selectivity on the dispersion state of single-chain nanoparticles (SCNPs) in athermal all-polymer nanocomposite (all-PNC) films. The results show that distinct dispersion states of SCNPs are observed depending on the solvent selectivity. Solvent selectivity affects the structure of the composite film, which will have impacts on its macroscopic properties.
Article
Polymer Science
Xu-Ze Zhang, Zhong-Yuan Lu, Hu-Jun Qian
Summary: In this study, a structure-based iterative Boltzmann inversion (IBI) method is developed and applied to obtain temperature transferable and thermodynamically consistent coarse-grained potentials for binary polymer systems. The obtained potentials show good agreement with atomistic simulations and experimental results over a wide range of temperatures and compositions, providing an effective tool for simulating polymer systems at larger length and time scales.
Article
Chemistry, Physical
Zhao Qian, Rui Shi, Zhong-Yuan Lu, Hu-Jun Qian
Summary: In this study, a solvent evaporation strategy was reported to spontaneously generate perpendicularly oriented domains (PODs) in drying DBC films through interface segregation of SCNPs. This strategy could be useful in regulating the PODs of DBC films in practical applications.
JOURNAL OF CHEMICAL PHYSICS
(2023)
Article
Polymer Science
Rui Shi, Linxiuzi Yu, Niboqia Zhang, Yang Yang, Zhong-Yuan Lu, Hu-Jun Qian
Summary: We investigate the molecular origin of mechanical reinforcement in a polymer nanocomposite (PNC) under a glass state via molecular dynamics simulations. The strength of the PNC system is mainly reinforced by reducing plastic deformations of the nanoparticle neighborhood. This reinforcement effect decays with increasing strain rate, and the amplitude depends on the difference between the energy barrier for activation of the nanoparticle neighborhood and the work done by applied stress.
Article
Materials Science, Multidisciplinary
Song Lu, Wanhao Cai, Nanpu Cao, Hu-jun Qian, Zhong-yuan Lu, Shuxun Cui
Summary: Linear polydimethylsiloxane (PDMS) exhibits extraordinary flexibility despite its high molecular weight. The single-chain mechanics of PDMS, measured by atomic force microscopy, align with quantum mechanical calculations. The weak intra/interchain noncovalent interactions contribute to the relatively small modulus of PDMS.
ACS MATERIALS LETTERS
(2022)
Article
Engineering, Chemical
Jiawei Hou, Shixuan Guo, Nigel Graham, Wenzheng Yu, Kening Sun, Ting Liu
Summary: A novel 2D composite membrane based on r-HGO and MXene materials was developed, demonstrating exceptional performance for water treatment in terms of permeability, pollutant rejection, and physical stability. The optimization of preparation conditions and material proportions can result in high water flux and efficient removal of pollutants.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Retraction
Engineering, Chemical
Chang Liu, Jinghong Liu, Liang Zhu, Shanfu Tang, Huixin Xiong
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Rui Gao, Caihong Liu, Andreia F. Faria, Qiang He, Chun Yang, Jun Ma
Summary: A novel copolymer architecture has been developed to address biofouling concerns in thin-film composite (TFC) membranes by integrating anti-fouling, bactericidal, and fouling-release functions. The multifunctional membrane demonstrates promising anti-adhesive properties, self-cleaning ability, and high flux recovery rate.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Alexander T. Bridge, Noah P. Wamble, Matthew S. Santoso, Joan F. Brennecke, Benny D. Freeman
Summary: This study demonstrates the reproducible preparation of high-flux defect-free asymmetric gas separation membranes using Cyrene(TM) as a majority dope formulation component. By adjusting the volume ratios of Cyrene(TM) and THF, as well as the concentrations of Matrimid(R) and the dry step time, optimal membrane performance is achieved.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Alessandra Imbrogno, Han Ya Lin, Babak Minofar, Andrea Iris Schaefer
Summary: In this study, a composite nanofiber membrane containing cross-linked beta-cyclodextrin-epichlorohydrin was prepared and evaluated for the removal of steroid hormones. The results showed that the membrane had high adsorption capacity and the ability to form a specific inclusion complex interaction with the hormones, indicating its potential application in hormone removal.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Bora Shin, Jaewon Shin, Yanuar Chandra Wirasembada, Ki Young Park, Jinwoo Cho
Summary: This study develops a mathematical model to estimate the initial flux of volatile fatty acids in the direct contact membrane distillation process. It identifies the parameters affecting the flux and their relationship with pH.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Yi-Jui Yeh, Jr Rong Liou, Wei Lin, Kuo-Lun Tung, Wei-Hung Chiang
Summary: This study demonstrates an effective plasma engineering method to create nitrogen-doped graphene quantum dot (NGQD)-inorganic nanocomposites for tunable molecular separation. The composite materials show high separation efficiency and controllable nanopore structures, making them potentially valuable for various applications.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Horacio Lopez-Marques, Kristofer L. Gleason, Manuel Aguilar-Vega, Rita Sulub-Sulub, J. Ehren Eichler, Hyeonji Oh, C. Buddie Mullins, Benny D. Freeman, Manish Kumar
Summary: In this study, water transport properties in Carbon Molecular Sieve (CMS) membranes were investigated. It was found that membranes synthesized at different pyrolysis temperatures exhibited varying water permeabilities. Compared to other polymeric materials, CMS membranes showed high water permeability, indicating potential for dehydration applications.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Dmitry A. Alentiev, Roman Yu. Nikiforov, Marina A. Rudakova, Danil P. Zarezin, Maxim A. Topchiy, Andrey F. Asachenko, Nikolay A. Belov, Maxim Bermeshev
Summary: A series of new norbornene-type monomers containing linear and branched substituents were synthesized, and robust thin membranes were prepared by vinyl-addition polymerization. Gas separation performance for the synthesized polymers was evaluated, and the structure of substituent side chains was found to significantly affect gas permeability and CO2 facilitated transport.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Lei Yan, Qi Zhang, Ze Zhang, Gui-Jie Li, Yi Jin, Xin-Lin Zhang, Yan-Yun Sun
Summary: In this study, a continuous, stable and fast ion transport channel was established through in-situ guided cross-linking of zinc alginate hydrogels on a porous membrane, overcoming the negative pore effect and effectively inhibiting the dendrite growth of zinc anodes and interfacial side reactions.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Yuqing Zhang, Ailing Zhang, Huiyang He, Yuting Fan, Yongjiang Li, Song Wang, Sanxi Li
Summary: The Langmuir-Blodgett self-assembly process is used to create an ordered SPEEK membrane, which enhances the proton conductivity by three times compared to conventional solution casting method.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Hasan Ismaeel, David Gibson, Eleonora Ricci, Maria Grazia De Angelis
Summary: In this study, a machine learning-based group contribution method (ML-GC) was developed to predict pure polymer parameters and successfully applied to predict gas solubility and gas solubility isotherms in glassy polymeric membranes. The model showed satisfactory performance on a small dataset, but has the potential to provide more accurate predictions for a wider range of polymers as more data becomes available.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Yi Ji, Yu Sun, Huilin Li, Qiang Fu, Yan Zhang
Summary: Previous studies have shown that vibration- or rotation-based techniques can effectively mitigate fouling during membrane filtration. However, it is difficult to incorporate these techniques with spiral wound modules (SWMs) widely used in water and wastewater treatment. This study developed a prototype membrane system to accommodate angular vibrations with a modified SWM, and experimental results showed that applying angular vibrations can effectively control algal fouling in an SWM with lower energy consumption compared to traditional methods.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Lakshmeesha Upadhayaya, Abaynesh Yihdego Gebreyohannes, Muhammad Wakil Shahzad, Usman T. Syed, Sandra L. Aristizabal, Radoslaw Gorecki, Suzana P. Nunes
Summary: Increasing temperatures worldwide pose a significant health risk, exacerbated by high humidity. Conventional air conditioners contribute heavily to carbon dioxide emissions, with dehumidification being a major factor. Membrane-based dehumidification system offers energy efficiency and non-toxic water vapor removal. This study demonstrates a membrane dehumidification system with polymeric hollow fibers coated with a green polyphenol coating, showing remarkable water vapor transport rate and selectivity. Long-term testing reveals minimal decline in vapor transport and a 4-5 times higher coefficient of performance (COP) compared to conventional dehumidifiers, making it a highly competitive, energy-saving device with reduced emissions and a smaller footprint.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Zhengzhong Zhou, Xue Zhu, Yi Yuan, Shaoqiang Wang, Xiaoshan Meng, Taoli Huhe, Qian Wang
Summary: In this study, lignin, a biomass material, was chemically modified and utilized in the interfacial polymerization process to improve the performance of nanofiltration membranes. The modified membranes showed enhanced hydrophilicity and anti-fouling properties, and the optimization of membrane pore size increased permeability. The study also demonstrated the potential application of the membranes in biogas slurry valorization.
JOURNAL OF MEMBRANE SCIENCE
(2024)
