Article
Green & Sustainable Science & Technology
Yuchuan Meng, Qiao Zhong, Yujie Liu, Zhongsen Yan, Ying Liang, Haiqing Chang, Heng Liang, Radisav D. Vidic
Summary: This study aimed to find an effective cleaning method for organic fouling in membrane distillation (MD). The fouling characteristics of humic acid (HA), sodium alginate (SA), and bovine serum albumin (BSA) were investigated, along with the cleaning efficiency of different flushing methods. The results showed that the presence of calcium ions had a varying effect on fouling for different organics. NaOH flushing resulted in irreversible fouling, while DI water flushing showed good recovery for SA-induced fouling.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Biotechnology & Applied Microbiology
Jianhua Zhang, Wenli Qin, Derrick Ng, Xiaosheng Ji, Xiaozhuan Zhang, Ying Ye, Zongli Xie
Summary: This study investigated the fouling mechanism of calcium phosphate on membranes in direct contact membrane distillation (DCMD) using a calcium phosphate saturated feed. It was found that increasing temperature and turbulence could enhance the calcium phosphate fouling, while low pH could suppress membrane fouling. Adjusting the suspension's pH to as low as 4 effectively inhibited membrane fouling in the studied water recovery range. Calcium phosphate fouling resulted in flux decline and membrane wetting due to the lowering of membrane hydrophobicity.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Engineering, Chemical
Jingjing Liu, Ahmed K. Albdoor, Wenye Lin, Faisal Hai, Zhenjun Ma
Summary: Increasing feed temperature and cross flow velocity can exacerbate membrane fouling, higher feed temperature can enhance DCMD regeneration capacity but reduce membrane hydrophobicity, cleaning the membrane can effectively alleviate membrane fouling but also increase the risk of membrane wetting.
JOURNAL OF MEMBRANE SCIENCE
(2022)
Article
Engineering, Chemical
Bang Li, Yanbin Yun, Guicheng Liu, Chunli Li, Xinyang Li, Muhammad Hilal, Woochul Yang, Manxiang Wang
Summary: The study found that softening pre-treatment can effectively improve the water reclamation performance of FGDW direct contact membrane distillation and reduce membrane fouling. The pre-treatment can efficiently remove heavy ions and prevent membrane fouling, achieving high salt and organic matter rejection rates.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Engineering, Chemical
Ying Shi Chang, Boon Seng Ooi, Abdul Latif Ahmad, Choe Peng Leo, Hui Ting Lyly Leow, Mohd Zulkifly Abdullah, Norijas Abd Aziz
Summary: Aeration has been proven to be a feasible and effective method for mitigating membrane scaling in S-VMD system. Continuous air bubbling at 30 LPM showed better cleaning efficiency and maintained almost constant specific energy consumption over long term operation. Continuous bubbling at higher flow rates caused rapid nucleation and smaller crystals on the membrane surface, which compromised the cleaning effect.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Engineering, Chemical
Ying Shi Chang, Yi Tong Cheah, Leow Hui Ting Lyly, Nur Ir Imani Ishak, Yin Sim Ng, Abdul Latif Ahmad, Choe Peng Leo, Chan Juinn Chieh Derek, Boon Seng Ooi
Summary: This study investigated the fouling behavior of submerged vacuum membrane distillation (S-VMD) in desalinating algal-blooming seawater, identifying inorganic salt precipitation and EPS as the main fouling agents. Protein fouling was found to dominate in the long run S-VMD operation, leading to increased hydrophobic interaction with the membrane surface. The system with air bubbling showed superior and stable flux performance with lower fouling compared to the non-bubbling S-VMD system.
Article
Engineering, Chemical
Zhewei Zhang, S. Shardul Wadekar, R. Omkar Lokare, D. Radisav Vidic
Summary: The impact of calcium scaling is affected by both feed salinity and separation driving force, and is much less severe in thermal than pressure driven membrane processes.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Engineering, Chemical
Fida Tibi, Amine Charfi, Jinwoo Cho, Jeonghwan Kim
Summary: This study aimed to observe the interactive effects of ammonium and sodium alginate on rejection efficiency and organic fouling in direct contact membrane distillation process. Increasing feed temperature reduced fouling rate, while adding ammonium chloride decreased the rejection efficiency of total organic carbon. Internal fouling caused by pore constriction was more dominant with the addition of ammonium into SA solution, especially at low solution pH.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Engineering, Chemical
Chuanshuai Dong, Yang Huang, Haojiang Lin, Lizhi Zhang
Summary: This paper presents a novel two-phase flow enhanced direct contact membrane distillation system and investigates the effect of two-phase flow behaviors on heat and mass transfer and membrane fouling.
Article
Engineering, Environmental
Jenny Nambikkattu, Noel Jacob Kaleekkal
Summary: Direct contact membrane distillation (DCMD) is a versatile thermal-driven membrane separation technique used for seawater distillation and water recovery. The study successfully fabricated robust hydrophobic PVDF-co-HFP membranes with excellent anti-wetting and anti-fouling properties through a central composite design and a dual modification strategy. These membranes exhibited high water contact angle, high salt rejection, stable permeate flux, and total organic carbon rejection, making them suitable for long-term seawater desalination.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Engineering, Chemical
Yongsun Jang, Jung-Gil Lee, Luca Fortunato, Jieun Lee, Yejin Lee, Alicia Kyoungjin An, Noreddine Ghaffour, Sangho Lee, Sanghyun Jeong
Summary: This study evaluated the impact of colloidal silica fouling on membrane distillation, finding that silica particle size, feed temperature, salinity, and flow rate all affect fouling formation. Smaller silica particles result in higher flux decline and denser fouling. Fouling is minimized at the optimal flow rate, while salinity has little effect on fouling.
Article
Engineering, Chemical
Isam Janajreh, Ussama Ali, Muhammad Hawwa
Summary: This study investigates the effect of sonication on the performance of direct contact membrane distillation (DCMD). A sonicated DCMD module equipped with a commercial PTFE membrane is tested, and a CFD model is developed to account for the sonication. The results show that sonication improves the flow metrics of the DCMD system, with a more pronounced effect at higher temperatures. The application of sonication impedes the development of both kinetic and thermal boundary layers, resulting in an increase in mass flux.
Article
Engineering, Environmental
Gustav Simoni, Bastian Stiem Kirkebaek, Cejna Anna Quist-Jensen, Morten Lykkegaard Christensen, Aamer Ali
Summary: The study compared the performance of direct contact MD and vacuum MD for simultaneous recovery of NH3 and P from wastewater. While both configurations are equally effective for concentrating P, the control over NH3 removal efficiency becomes the bottleneck for struvite recovery under different pH conditions.
JOURNAL OF WATER PROCESS ENGINEERING
(2021)
Article
Engineering, Chemical
Bang Li, Yanbin Yun, Manxiang Wang, Chunli Li, Woochul Yang, Jingwei Li, Guicheng Liu
Summary: Membrane wetting and fouling are the main concerns in membrane distillation for industrial wastewater treatment. A novel superhydrophobic PVDF membrane with anti-fouling property was successfully synthesized, showing great potential for long-term practical application in treating high salinity and hardness containing-wastewater.
Article
Engineering, Chemical
Mahmood Jebur, Yu-Hsuan Chiao, Kupaaikekaiao Thomas, Tanmoy Patra, Yuhe Cao, Kyunghoan Lee, Nicholas Gleason, Xianghong Qian, Yunxia Hu, Mahdi Malmali, S. Ranil Wickramasinghe
Summary: Hydraulic fracturing flowback and produced water is treated using a combination of electrocoagulation microfiltration and membrane distillation process to remove pollutants and separate particulate matter, resulting in high quality treated water. Different membranes with varying surface morphology are utilized to desalinate the pretreated wastewater, indicating that the ideal membrane for resistance to wetting and high flux depends on the TDS and properties of the wastewater.
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)