Academic literature on the topic 'PES/PVP Ultrafiltration membrane'
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Journal articles on the topic "PES/PVP Ultrafiltration membrane"
Pasaoglu, Mehmet Emin, Serkan Guclu, and Ismail Koyuncu. "Polyethersulfone/polyacrylonitrile blended ultrafiltration membranes: preparation, morphology and filtration properties." Water Science and Technology 74, no. 3 (June 4, 2016): 738–48. http://dx.doi.org/10.2166/wst.2016.252.
Full textGryta, Marek, and Piotr Woźniak. "The Resistance of Polyethersulfone Membranes on the Alkaline Cleaning Solutions." Membranes 14, no. 2 (January 23, 2024): 27. http://dx.doi.org/10.3390/membranes14020027.
Full textZhao, Huyang, Ting He, Shuang Yao, Long Tao, Xinhai Zhang, Zhaohui Wang, Zhaoliang Cui, and Rizhi Chen. "Improved Protein Removal Performance of PES Hollow-Fiber Ultrafiltration Membrane with Sponge-like Structure." Polymers 16, no. 9 (April 25, 2024): 1194. http://dx.doi.org/10.3390/polym16091194.
Full textDang, Jingchuan, Yatao Zhang, Zhan Du, Haoqin Zhang, and Jindun Liu. "Antibacterial properties of PES/CuCl2 three-bore hollow fiber UF membrane." Water Science and Technology 66, no. 4 (August 1, 2012): 799–803. http://dx.doi.org/10.2166/wst.2012.238.
Full textChen, Yifeng, Jingchuan Dang, Yatao Zhang, Haoqin Zhang, and Jindun Liu. "Preparation and antibacterial property of PES/AgNO3 three-bore hollow fiber ultrafiltration membranes." Water Science and Technology 67, no. 7 (April 1, 2013): 1519–24. http://dx.doi.org/10.2166/wst.2013.023.
Full textGryta, Marek, Piotr Woźniak, and Sylwia Mozia. "Effects of Alkaline Cleaning Agents on the Long-Term Performance and Aging of Polyethersulfone Ultrafiltration Membranes Applied for Treatment of Car Wash Wastewater." Membranes 14, no. 6 (May 24, 2024): 122. http://dx.doi.org/10.3390/membranes14060122.
Full textPellegrin, B., E. Gaudichet-Maurin, and C. Causserand. "Mechano-chemical ageing of PES/PVP ultrafiltration membranes used in drinking water production." Water Supply 13, no. 2 (March 1, 2013): 541–51. http://dx.doi.org/10.2166/ws.2013.056.
Full textCausserand, Christel, Bastien Pellegrin, and Jean-Christophe Rouch. "Effects of sodium hypochlorite exposure mode on PES/PVP ultrafiltration membrane degradation." Water Research 85 (November 2015): 316–26. http://dx.doi.org/10.1016/j.watres.2015.08.028.
Full textAbdallah, Heba, Tarek S. Jamil, A. M. Shaban, Eman S. Mansor, and Eglal R. Souaya. "Influence of the polyacrylonitrile proportion on the fabricated UF blend membranes’ performance for humic acid removal." Journal of Polymer Engineering 38, no. 2 (February 23, 2018): 129–36. http://dx.doi.org/10.1515/polyeng-2017-0003.
Full textIrfan, Muhammad, Masooma Irfan, Ani Idris, Abdullah Saad Alsubaie, Khaled H. Mahmoud, Noordin Mohd Yusof, and Naeem Akhtar. "Dual Optimized Sulfonated Polyethersulfone and Functionalized Multiwall Carbon Tube Based Composites High Fouling Resistance Membrane for Protein Separation." Membranes 12, no. 3 (March 16, 2022): 329. http://dx.doi.org/10.3390/membranes12030329.
Full textDissertations / Theses on the topic "PES/PVP Ultrafiltration membrane"
Pellegrin, Bastien. "Analyse multi-échelle de la dégradation de membranes d'ultrafiltration en polyethersulfone - poly(N-vinyl pyrrolidone) en conditions d'usage." Toulouse 3, 2013. http://thesesups.ups-tlse.fr/2084/.
Full textMotivated by drinking water production plants reporting membrane failure issues, this study investigates the ageing of a commercially available PES / PVP UF hollow fiber. Proof is given that membrane degradation is mainly induced by sodium hypochlorite exposure. The effects on the PES chemical structure are limited, very low extend of chain scission occurs and the formation of an ortho-substituted phenol is observed as the main modification. Experiments show that the presence of PVP and/or PVP degradation products is a required condition for the PES oxidation to occur. On the other hand, PVP appears to be very sensitive to hypochlorite exposure. PVP radical oxidation mechanisms are identified presenting a maximal reaction rate for neutral to slightly basic pH and leading to the partial removal of the PVP degradation products from the membrane structure. Correlation of macroscopic and molecular characterizations demonstrates that PVP degradation is responsible for the membrane integrity loss (impairing selectivity and mechanical performance), while hypochlorite exposure also induces enhanced membrane / solutes interactions, leading to an accentuated fouling. The representativeness of static continuous hypochlorite exposure regarding the actual on-site membrane ageing is confirmed by the analysis of membranes extracted from an industrially operated module. Nevertheless, the hypochlorite dose parameter, widely used in the literature, is demonstrated to be inappropriate to describe the degradation rate: the hypochlorite concentration impact is shown to be dominating the exposure time impact on the degradation rate
Kavugho, Mission Sophie. "Formulation et étude de nouveaux détergents enzymatiques pour le nettoyage des membranes d'ultrafiltration de l'industrie laitière : développement et validation de méthodologies associées." Electronic Thesis or Diss., Université de Rennes (2023-....), 2024. http://www.theses.fr/2024URENS005.
Full textUltrafiltration (UF) of skim milk for standardization of the protein content for cheese making is a very common membrane process at industrial scale. However, fouling of the membranes with skim milk proteins causes a drop in productivity and constitutes a barrier to this process. Thus, the twice-daily cleaning/disinfection step is essential to restore the performance of the membrane and ensure health safety and product quality. It is generally carried out with alkaline and acidic formulated detergents, but it is also possible to use formulated enzymatic detergents which enjoy the reputation of being more effective. However, few fundamental studies exist on this subject, which this thesis aims to contribute to fill. The objective of this thesis was to develop new enzymatic detergents that are are effecient and compatible with the PES/PVP membrane widely used for skim milk UF. The target of the cleaning is a protein deposit. The approach was based on a methodology to aid the formulation of detergents based on the measurement of residual deposits on the membrane by ATR-FTIR: whether proteins, enzymes or other constituents of the detergents studied. Mutliple prototypes were formulated in collaboration with Kersia Company. Their evaluation followed 3 steps: i) rapid tests in a batch reactor (14 cm²) to select promising detergents according to their effectiveness in eliminating protein fouling, their cleanability and the integrity of the membrane in the short term, ii) transposition of promissing results under filtration conditions (127 cm²) also validating the filterability detergents, iii) finally, validation of detergent/membrane compatibility over the long term thanks to accelerated aging under microwave (3 cm²) and cleaning of the spiral wound membrane (6.8 cm²) for 52 hours
Lin, Jian-De, and 林建德. "Nano-titania (TiO2)/polyethersulfone (PES) ultrafiltration membrane preparation and antifouling capability analyses." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/jas35s.
Full text淡江大學
化學工程與材料工程學系碩士班
106
In this research, we introduce TiO2 sol (synthesized via the sol-gel procedure) and polyvinylpyrrolidone (PVP) into the casting dope for polyethersulfone (PES)/TiO2 composite membrane formation. The former additive is used to enhance the hydrophilicity, whereas the latter functions as a pore former to engender pore-pore interconnection. Prepared membranes (termed mixed matrix membrane, MMM) can be divided into 3 series: P0, P1.5 and P5, according to the amount of added PVP. Each series consists of several membranes with TiO2 contents. To disperse TiO2 finely (on the scale of 2-3 nm) in the casting dope, the sol-gel process incorporates DMAc as the solvent, same as that used for preparation of the casting dopes. All membranes show the asymmetric structure with a dense surface (skin) and a porous cross section composed of finger-liked macrovoids and large irregular macrovoids. With the increase of added PVP, the pores on the top and bottom surfaces increase, resulting in an increase of the pure water flux, while the irregular large macrovoids gradually transform into finger-liked macrovoids. Changing the amount of added TiO2, the surface pore size of the membrane is found to increase first and then decrease; the pure water flux follows the same trend. The porosity of the membrane is about 80-88%, and the contact angle of the top surface gradually decreases with the addition of TiO2. The tensile strength decreases with the increase of added amount of PVP, which is attributed to the larger pores of the top and bottom surfaces. However, when the added PVP is fixed, the tensile strength increases first and then decreases with the addition of TiO2. The amount of PVP resided in the membrane has been determined by NMR analysis. The results show that about 90% of the PVP is removed during the membrane formation process and the residual amount only accounts for 1-2% of the membrane weight. Thermal properties based on TGA and DSC analysis show that the thermal stability of the membrane increases with the TiO2 content: an increase of 5C on the maximum thermal degradation temperature and 10C of the glass transition temperature. The BSA filtration experiments show that the rejection ratio of the P0 and P1.5 series are both 99% and yet it is only about 93% for the P5 series. As to the pure water flux and the recovery ratio, both increase first and then decrease with the TiO2 content. The reason is that TiO2 can increase the hydrophilicity of the membrane surface and thus reduces the hydrophobic adsorption of BSA on the surface. However, excessive amount of TiO2 can cause agglomeration of TiO2, which in turn lead to decrease of its antifouling efficiency. PEG is used to determine the molecular weight cut-off (MWCO) of the membranes. For the P0 series, the MWCO is about 270-350 kDa, for the P1.5 series, it is about 325-510 kDa, and for the P5 series, it is about 450-850 kDa. These results are consistent with the pure water flux and the pore size data.
Book chapters on the topic "PES/PVP Ultrafiltration membrane"
Mokhtar, Hamizah, Afizah Ayob, Siti Aisyah Ishak, Duratul Ain Tholibon, Siti Safirah Rashid, Nurul Aishah Abd Rahman, and Noor Safwan Muhamad. "Flat Sheet PSF/PVP Ultrafiltration Membrane for Leachate Treatment." In Lecture Notes in Civil Engineering, 327–42. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-6022-4_21.
Full textConference papers on the topic "PES/PVP Ultrafiltration membrane"
Lubis, Mirna Rahmah, Umi Fathanah, Mukramah Yusuf, Syawaliah Muchtar, Cut Meurah Rosnelly, Suraiya Kamaruzzaman, Zuhra Zuhra, Rina Hazliani, and Devi Rahmanda. "Preparation and characterization of polyethersulfone (PES) membrane with polyvinylpyrrolidone (PVP) as additive using non-solvent induced phase separation (NIPS) method." In THE 2ND NATIONAL CONFERENCE ON MATHEMATICS EDUCATION (NACOME) 2021: Mathematical Proof as a Tool for Learning Mathematics. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0114753.
Full textReports on the topic "PES/PVP Ultrafiltration membrane"
Husson, Scott M., Viatcheslav Freger, and Moshe Herzberg. Antimicrobial and fouling-resistant membranes for treatment of agricultural and municipal wastewater. United States Department of Agriculture, January 2013. http://dx.doi.org/10.32747/2013.7598151.bard.
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