Article
Engineering, Chemical
Bo Meng, Shuang Wu, Shude Zhang, Claudia Li, Jian Song, Naitao Yang, Jaka Sunarso, Xiaoyao Tan, Mingming Wang, Shaomin Liu
Summary: A dual-phase SDC-LCAF hollow fiber membrane with high oxygen flux and stability was prepared using a sol-gel and phase inversion technique, making it suitable for oxygen permeation in pure CO2 atmosphere.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Physical
Jianhui Song, He Zhang, Zongyu Feng, Jianxing Zhang, Fang Chen, Zhiqi Long, Xiaowei Huang
Summary: The study showed that the crystallization mechanism and phase structure of 5YSTZ can be adjusted by controlling the zirconium coordination in the precursor, which in turn affects its ionic conductivity. Particularly, 5YSTZ synthesized from a precursor with uniformly mixed yttrium and negatively charged zirconium coordination exhibited the best physical properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Ceramics
Pranav Ameta, Sravan Bokka, Annu Kumar Lakshya, Anirban Chowdhury
Summary: In this study, we demonstrate the remarkable efficacy of yttria-stabilized zirconia nano-adsorbents for toxic azo-dye removal. The adsorption capacity achieved was 550mg/g, which was attributed to factors such as nano-sized particles, phase-pure cubicity, and increased surface area, leading to the generation of oxygen vacancies on the synthesized doped-zirconia surfaces.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2024)
Article
Crystallography
Yuhua Yang, Shoulei Xu, Siyao Li, Wenxia Wu, Yihua Pan, Daini Wang, Xing Hong, Zeyu Cheng, Wen Deng
Summary: Single crystals of Y2O3-stabilized ZrO2 doped with different amounts of Ho2O3 were successfully grown using the optical floating zone method. XRD and Raman spectra confirmed the tetragonal structure of the crystal samples. Photoluminescence spectra of the Ho2O3-doped YSZ crystals showed emission peaks at specific wavelengths corresponding to Ho3+ transitions, with the emission intensity increasing with Ho2O3 content up to a certain point and then decreasing. This study demonstrated that the Ho2O3:YSZ crystals are suitable for green light-emitting devices with high color purity.
Article
Engineering, Chemical
Hua Liu, Xuechao Gao, Shengxian Wang, Zhou Hong, Xuerui Wang, Xuehong Gu
Summary: High-silica CHA (SSZ-13) zeolite membranes show great potential for CO2 separation, but practical application is limited by high investment costs. In this study, SSZ-13 zeolite membranes were successfully synthesized on hollow fibers with different pore sizes, achieving good CO2/CH4 selectivity and CO2 permeance on membranes with 150 nm pores. Evaluation of gas permeation found that small molecules mainly pass through zeolitic pores, while larger molecules are more sensitive to non-zeolitic pores.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Engineering, Chemical
Jian Song, Zhigang Wang, Xiaoyao Tan, Yifan Cui, Sibudjing Kawi, Shaomin Liu
Summary: A BCFS perovskite hollow fiber membrane was prepared by phase inversion and sintering technique with the addition of Co2O3 to enhance mechanical strength and reduce sintering temperature. The membrane exhibits simultaneous permeation of hydrogen and oxygen, showing potential as a catalytic membrane reactor for various reactions. Simultaneous permeation enhances hydrogen and oxygen fluxes by reducing gas concentrations and promoting gas/ion exchange reactions.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Chemistry, Physical
O. V. Cherendina, E. V. Shubnikova, M. O. Khokhlova, O. A. Bragina, A. P. Nemudry
Summary: In this study, dual-phase LSCF-SDC hollow fiber membranes were prepared using a combination of phase inversion and sintering technique. The oxygen flux through the membranes was found to be limited by surface exchange reactions, and the membranes showed high resistance to CO2 in short-term stability test.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Engineering, Chemical
Ayesha Raza, Mohammad Askari, Can Zeng Liang, Na Peng, Sarah Farrukh, Arshad Hussain, Tai-Shung Chung
Summary: This study developed a new dual-layer hollow fiber membrane for CO2 separation with high permeance and selectivity, showing a high CO2/CH4 selectivity. This newly developed membrane may have great potential for CO2/CH4 separation.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Materials Science, Ceramics
Yanyong Shi, Jie Wang, Claudia Li, Jian Song, Bo Meng, Jaka Sunarso, Xiuxia Meng, Naitao Yang, Xiaoyao Tan, Shaomin Liu
Summary: La0.6Ca0.4Co0.2Fe0.8O3-8 (LCCF) ceramic powder was used to fabricate LCCF hollow fiber (HF) membranes via a sol-gel method. Three types of LCCF HF membranes were developed by changing the composition of the internal coagulation bath. The best performance was achieved using a mixture of NMP + EtOH. The developed LCCF membrane exhibited high oxygen transport capability and good stability.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Chemistry, Physical
Dehui Lan, Rui Gao, Xudong Liu, Luyi Zhu, Yongting Zheng, Juncheng Liu
Summary: ZrO2 fiber toughened and non-fiber toughened Al2O3/ZrO2(Y2O3) directionally solidified eutectic ceramics (DSECs) were prepared and their microstructures and mechanical properties were investigated. Both types of DSECs had similar colony structures composed of α-Al2O3, c-ZrO2, and m-ZrO2. The phase spacing decreased with the growth rate and the fiber toughened DSECs showed higher fracture toughness compared to non-fiber toughened DSECs due to crack deflection, bifurcation, and fiber debonding mechanisms.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Engineering, Chemical
Yongfan Zhu, Jing Lei, Jia Liu, Jinkun Tan, Guangru Zhang, Zhengkun Liu, Wanqin Jin
Summary: A dual-layer hollow fiber membrane composed of SrFe0.8Nb0.2O3-delta and SrCo0.9Nb0.1O3-delta was successfully fabricated, which exhibited high oxygen permeability and stability under an environment with 80% CO2. It has potential application in CO2 capture for oxyfuel combustion.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Materials Science, Ceramics
S. Ariharan, K. Vasanthakumar, Srinivasa Rao Bakshi
Summary: An efficient composite based on 3YSZ with graphene nanoplatelets and multi-walled carbon nanotubes has been developed for structural application. The addition of GNP/MWNT improved the mechanical properties of the composite by refining grains, increasing densification, and controlling phases and distribution. The composite showed marginal enhancement in hardness, elastic modulus, and indentation fracture toughness, while the scratch toughness was lower due to elastic recovery and non-uniform distribution of phases. The composite with 2 wt% of MWNT reinforcement demonstrated the most suitable properties for structural applications.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Ceramics
Y. S. Dong, C. L. Yan, J. Li, Z. C. Jiang, W. L. Mo, Q. J. Zhang
Summary: In this study, YSZ TBCs and ScYSZ TBCs were prepared by atmospheric plasma spraying technology to investigate the effect of Sc(2)O(3) and Y2O3 co-doping on the thermal shock resistance of ZrO2 thermal barrier coatings. The micromorphologies of the two coatings were compared, and their phase composition before and after heat treatment was analyzed. The thermal shock experiment revealed that ScYSZ TBCs exhibited better thermal shock resistance and longer thermal shock life compared to YSZ TBCs, which could be attributed to the formation of defect clusters facilitated by the co-doping system of Sc2O3 and Y2O3.
CERAMICS INTERNATIONAL
(2023)
Article
Engineering, Chemical
Zhengwei Zhou, Shude Zhang, Xiuxia Meng, Jian Song, Naitao Yang, Claudia Li, Sibudjing Kawi, Shaomin Liu
Summary: In this study, a La0.8Ca0.2Fe0.94O3-6-0.05Ag (LCF-Ag) hollow fiber membrane with three-layer sandwich structure was successfully prepared. The oxygen permeation flux of the membrane structure was 1.79 times higher than that of the traditional membrane structure, with a maximum oxygen flux of 2.15 mL min-1 cm-2. The membrane showed high stability during a 240-hour long-term operation, and the oxygen flux could be fully recovered by switching the sweep gas to He, indicating its good chemical stability. These results demonstrate the feasibility of the new membrane structure for oxygen separation with CO2 resistance.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Materials Science, Ceramics
Devi Lal, Praveen Kumar, Ravi Bathe, Sanjay Sampath, Vikram Jayaram
Summary: Air plasma sprayed 7YSZ coatings have numerous microstructural defects, with varying healing kinetics, which can significantly impact the mechanical properties and fracture behavior of the coating within a short period of time under different temperatures.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Nanoscience & Nanotechnology
Guoqiang Gan, Fengquan Xu, Xinyong Li, Shiying Fan, Chunpeng Bai, Qidong Zhao, Moses O. Tade, Shaomin Liu, Wenjun Zhang
Summary: The influence of crystal phase on the electrocatalytic performance and active sites of CuFe2O4 spinel for the electrochemical dechlorination of 1,2-dichloroethane is studied. A higher activity and ethylene selectivity are observed for the cubic phase compared to the tetragonal phase, indicating the significant enhancement of electrocatalytic performance by the cubic crystal structure. The octahedral Fe atom on the surface of cubic CuFe2O4(311) is identified as the active site responsible for ethylene production with an energy barrier of 0.40 eV. This work highlights the importance of crystal phase engineering for optimizing electrocatalytic performance and provides an efficient strategy for the development of advanced electrocatalysts.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Kai Wang, Chen Han, Fuping Li, Yu Liu, Zongping Shao, Lihong Liu, Shaobin Wang, Shaomin Liu
Summary: A series of strontium cobaltite perovskite oxides with different dopants were designed and investigated for their catalytic activity in degrading aqueous organic pollutants. The study found that the crystalline structure and surface properties of the oxides are correlated with their catalytic activity, with the Co-O bond length being a key factor in peroxymonosulfate (PMS) activation. This study provides new insights for the design of efficient perovskite oxide catalysts.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Energy & Fuels
Xinyuan Xu, Jinqiang Zhang, Hong Wu, Lei Shi, Jie Zhang, Kuan Ding, Shu Zhang, Shuaijun Wang, Shaobin Wang, Hongqi Sun
Summary: In this study, the concentration and position of sulfur vacancies in ultrathin ZnIn2S4 nanosheets were successfully controlled to optimize the photo-driven lignin model reforming process, leading to excellent selectivity for hydrogen and chemical monomers. The proton migration pathway was modulated through sulfur vacancy engineering, achieving high concentrations of sulfur vacancies in the bulk and on the surface of ZnIn2S4. This provides new mechanistic insights into biomass photoreforming and elucidates the structure/chemistry-catalysis correlation of ZnIn2S4 photocatalysts, which are crucial for photocatalyst design and solar fuel production.
Article
Materials Science, Multidisciplinary
Wenjie Hou, Yan Xing, Claudia Li, Tong Li, Dong Liu, Lusi Ernawati, Jaka Sunarso, Xiuxia Meng
Summary: Fe3O4/Co-MOF composites were successfully fabricated via a facile and scalable co-precipitation process. The combination of hollow Fe3O4 and Co-MOFs contributes towards the dissipation of incident waves due to the magnetic-dielectric synergistic effect. Impressive microwave absorption ability was observed with a minimum reflection loss of -56.1 dB over a qualified bandwidth (7.9 GHz) at 2.0 mm. Radar cross section simulation further confirmed the effective suppression of radar wave scattering using Fe3O4/Co-MOF composites. This study provides a versatile strategy for designing magnetic-dielectric composites based on MOFs as effective and broadband microwave absorbers.
MATERIALS RESEARCH BULLETIN
(2023)
Article
Engineering, Environmental
Defenna Li, Cong Pan, Yang Zong, Deli Wu, Yaobin Ding, Chengjun Wang, Shaobin Wang, John C. Crittenden
Summary: In this study, Ru(III) ions were used to activate periodate (PI) for oxidation of trace organic pollutants (TOPs, such as carbamazepine (CBZ)). The Ru(III)/PI system showed significantly higher performance than other transition metal ions and noble metal ions activated PI systems in the oxidation of CBZ. The dominant oxidant in the process was high-valent Ru-oxo species (Ru(V)=O).
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2023)
Article
Engineering, Chemical
Di Wang, Heyao Wu, Yanyang Xu, Tianjia Chen, Yongfeng Zhang, Zhifei Hu, Zhigang Wang, Xiaoyao Tan, Shaomin Liu
Summary: In this study, nickel hollow fiber membranes were successfully fabricated and used as membrane reactors for toluene steam reforming and H2 separation. The results showed that the membrane reactor achieved stable and efficient performance in toluene conversion and H2 production under suitable conditions.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Engineering, Chemical
Hongyong Zhao, Ting Song, Xiaoli Ding, Ruyi Cai, Xiaoyao Tan, Yuzhong Zhang
Summary: Membrane technology is widely used for O2/N2 separation in industries, and cobalt-based compounds are known for their affinity for O2, which improves O2/N2 selectivity. A study successfully developed PIM-1 mixed matrix membranes containing cobalt-based ionic liquid, resulting in higher O2/N2 selectivity and lower O2 permeability. The application of a magnetic field further enhanced the O2/N2 selectivity of the membranes. These findings highlight the potential of these membranes for air separation.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Engineering, Chemical
Wenjing Tang, Bojun Li, Huaqing Liu, Ting Liang, Pei Li, Changwei Zhao, Xiang Li, Shaomin Liu
Summary: In this study, ss-cyclodextrin based polyester membranes with superior chlorine resistance and antifouling properties were successfully developed. The optimized membrane exhibited excellent long-term stability, salt retention, and water permeability.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Chemistry, Physical
Gonghe Tong, Yanbin Li, Zhigang Wang, Xiaoyao Tan
Summary: Micro-tubular protonic ceramic fuel cells (MT-PCFCs) have advantages in terms of intermediate operating temperature, large volumetric power density, and low sealing requirements. This study successfully fabricates high-performance MT-PCFCs using a one-step fabrication method, achieving a peak power density of 601.2 mW cm-2 for a single cell and a power output of 2.5 W for a cell stack.
JOURNAL OF POWER SOURCES
(2023)
Article
Materials Science, Ceramics
Yanyong Shi, Jie Wang, Claudia Li, Jian Song, Bo Meng, Jaka Sunarso, Xiuxia Meng, Naitao Yang, Xiaoyao Tan, Shaomin Liu
Summary: La0.6Ca0.4Co0.2Fe0.8O3-8 (LCCF) ceramic powder was used to fabricate LCCF hollow fiber (HF) membranes via a sol-gel method. Three types of LCCF HF membranes were developed by changing the composition of the internal coagulation bath. The best performance was achieved using a mixture of NMP + EtOH. The developed LCCF membrane exhibited high oxygen transport capability and good stability.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Engineering, Environmental
Yunpeng Wang, Zijun Xiao, Yulei Liu, Wenjie Tian, Zhuangsong Huang, Xiaona Zhao, Lu Wang, Shaobin Wang, Jun Ma
Summary: This study found that carbon quantum dots (CQDs) played a significant role in the water purification process using Fe(VI) as a catalyst. CQDs facilitated direct electron transfer (DET) from organic pollutants to Fe(VI), improving the oxidation efficiency and alleviating the negative impact of solution pH and background constituents.
Article
Engineering, Environmental
Yanshan Wang, Ning Li, Qinglong Fu, Zhanjun Cheng, Yingjin Song, Beibei Yan, Guanyi Chen, Li'an Hou, Shaobin Wang
Summary: This study comprehensively analyzed the molecular transformation behavior of dissolved organic matters (DOM) during peroxymonosulfate (PMS) activation by biochar for organic degradation. Different types of reactions were observed, including oxidative decarbonization, dehydrogenation, dehydration, deheteroatomisation, hydration, and N/S oxidation reactions. Certain compounds present in DOM showed moderate or strong inhibition effects on contaminant degradation. This information can be used to regulate ROS composition and DOM conversion process in PMS systems and minimize the interference of DOM conversion intermediates on PMS activation and degradation of target pollutants.
Article
Engineering, Chemical
Jinqiang Zhang, Xinyuan Xu, Lei Shi, Huayang Zhang, Shaobin Wang, Hongqi Sun
Summary: Biomass photoreforming is a promising avenue for green hydrogen production. By loading 2D ZnIn2S4 onto 2D carbon nitride nanosheets, Van der Waals heterojunctions are formed, resulting in optimal charge dynamics and intensified H2 generation.
CHEMICAL ENGINEERING SCIENCE
(2024)
Article
Chemistry, Analytical
Xihui Bian, Zizhen Zhao, Jianwen Liu, Peng Liu, Huibing Shi, Xiaoyao Tan
Summary: A novel method combining the discretized butterfly optimization algorithm-partial least squares (BOA-PLS) and near-infrared (NIR) spectroscopy is proposed for the rapid determination of blood cholesterol concentration. The results show that the improved V-shaped (I-V) function is the best transfer function for discretization. Preprocessing and variable selection methods based on BOA can improve the prediction performance of PLS. The MSC-MMS can further enhance the predictive accuracy of I-V-BOA-PLS.
ANALYTICAL METHODS
(2023)
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)