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Gotowe bibliografie tematyczne / PVP Ultrafiltration membrane

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Gotowa bibliografia na temat „PVP Ultrafiltration membrane”

Autor: Grafiati

Data publikacji: 7 września 2024

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Artykuły w czasopismach na temat "PVP Ultrafiltration membrane"

1

Bai, Yang, Zhen Liu, and Dao Bao Sun. "Preparation and Performance of Polysulfone Hollow Fiber Ultrafiltration Membranes." Applied Mechanics and Materials 457-458 (October 2013): 309–12. http://dx.doi.org/10.4028/www.scientific.net/amm.457-458.309.

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Polysulfone (PSF) hollow fiber ultrafiltration membranes were successfully prepared by dry-wet spinning technology. Dimethylacetamide (DMAC) was used as a solvent, water was used as bore liquid and coagulation bath, polyvinylpyrrolidone (PVP) was used as polymeric additive. The effects of spinning conditions on membrane structures and properties were investigated in present study. The results indicated that with the increase of PVP concentration, pure water flux increased and developed finger-like pores were formed. High coagulation bath temperature restricted pure water flux, 30°C was the bes

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Liu, Xiao Mian, Zong Hua Wang, Bing Yu, Hai Lin Cong, Xiu Ling Gao, and Xin Yu Guo. "PMMA Modified PVDF Hollow Fiber Ultrafiltration Membranes." Advanced Materials Research 465 (February 2012): 229–33. http://dx.doi.org/10.4028/www.scientific.net/amr.465.229.

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Polymethylmethacrylate (PMMA) modified poly(vinylidene fluoride) (PVDF) hollow fiber ultrafiltration membranes were prepared by wet spinning method using polyvinylpyrrolidone (PVP) as pore-foaming agent and mixture of dimethyl formamide (DMF)/methyl ethyl ketone (MEK) as solvent. The effects of PVDF, PMMA, PVP, and solvent ratios in the spinning solution on the permeation properties of the formed membranes were studied. The results showed that the performance of the membrane is the best with a pure water flux of 117 L/m2•h and rejection rate of 82% to bovine serum albumin (BSA), when the conce

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3

Febriasari, Arifina, Huriya, Annisa Hasna Ananto, Meri Suhartini, and Sutrasno Kartohardjono. "Polysulfone–Polyvinyl Pyrrolidone Blend Polymer Composite Membranes for Batik Industrial Wastewater Treatment." Membranes 11, no. 1 (2021): 66. http://dx.doi.org/10.3390/membranes11010066.

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Batik wastewater, in general, is colored and has high concentrations of BOD (biological oxygen demand), COD (chemical oxygen demand), and dissolved and suspended solids. Polysulfone (PSf)-based membranes with the addition of polyvinyl pyrrolidone (PVP) were prepared to treat batik industrial wastewater. PSf/PVP membranes were prepared using the phase inversion method with N-methyl-2 pyrrolidone (NMP) as the solvent. Based on the membrane characterization through FESEM, water contact angle, porosity, and mechanical tests showed a phenomenon where the addition of PVP provided thermodynamic and k

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4

Chen, Yuliang, Libo Ba, Yini He, and Xuesong Yi. "Removal Efficiency of Sulfapyridine from Contaminated Surface Water by Carboxylated Graphene Oxide Blended PVDF Composite Ultrafiltration Membrane with Activated Carbon." Polymers 14, no. 21 (2022): 4779. http://dx.doi.org/10.3390/polym14214779.

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In this study, sulfapyridine (SPY), an antibiotic that is less commonly treated by membrane filtration techniques but is frequently detected in the aqueous environment and at higher concentrations than other detected antibiotics, was selected for investigation. A composite ultrafiltration membrane for the removal of sulfapyridine (SPY) antibiotics from water was fabricated using polyvinylidene fluoride (PVDF), polyvinylpyrrolidone (PVP), and carboxyl-functionalized graphene oxide (CFGO) as additives. The changes in retention rate and pure water flux of sulfapyridine by the composite ultrafiltr

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5

Zhang, Shan, and Zhen Liu. "Preparation and Characterizations of Polysulfone Flat Ultrafiltration Membranes." Advanced Materials Research 418-420 (December 2011): 169–72. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.169.

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The Polysulfone Flat ultrafiltration membranes were prepared with dimethylacetamide (DMAc) as solvent and polyvinypyrrolidone (PVP) as pore forming additive. Performance of PSF membrane such as pure water flux, albumin egg rejection were investigated. In addition, the same investigations were conducted with different coagulation bath temperature and evaporation time. The results show that there were a maximum of pure water flux and a minimum of the retention of Albumin when PVP content reach 14%.

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6

Mutlu Salmanli, Öykü, Sevgi Güneş Durak, Güler Türkoğlu Demirkol, and Neşe Tüfekci. "Effect of PVP concentration on prepared PEI membranes for potential use on water treatment: effect of additive on membranes prepared for water treatment." Water Supply 19, no. 7 (2019): 2072–78. http://dx.doi.org/10.2166/ws.2019.084.

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Abstract In this work, a series of polyetherimide (PEI) flat sheet membranes were produced with different concentrations of polyvinylpyrrolidone (PVP) addition via the phase inversion method. The effects of additions on membrane morphology and performance were investigated. Synthesized membrane had the properties of ultrafiltration membrane. Although PEI is not widely used for water treatment, in this study, the ferrous iron removal rate was investigated and good results were obtained. Through the membrane production experiments, the PEI content was 22 wt%. PVP was added as a pore-forming agen

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Güneş-Durak, Sevgi, Türkan Ormancı-Acar, and Neşe Tüfekci. "Effect of PVP content and polymer concentration on polyetherimide (PEI) and polyacrylonitrile (PAN) based ultrafiltration membrane fabrication and characterization." Water Science and Technology 2017, no. 2 (2018): 329–39. http://dx.doi.org/10.2166/wst.2018.142.

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Abstract In this study, four different membranes were fabricated by using polyetherimide and polyacrylonitrile polymers, N-methyl-2-pyrrolidone and polyvinylpyrrolidone (PVP) via phase inversion method to improve the membrane performance in fruit juice wastewater (FJWW) treatment. The addition of PVP to the casting solution increased membrane hydrophilicity, water content, contact angle, porosity, Fourier transform infrared spectroscopy peaks, membrane thickness, average roughness and viscosity of cast solutions compared to the bare membrane. It can be said that the addition of a lower polymer

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8

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 (2016): 738–48. http://dx.doi.org/10.2166/wst.2016.252.

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Polyethersulfone (PES)/polyacrylonitrile (PAN) membranes have been paid attention among membrane research subjects. However, very few studies are included in the literature. In our study, asymmetric ultrafiltration (UF) membranes were prepared from blends of PES/PAN with phase inversion method using water as coagulation bath. Polyvinylpyrrolidone (PVP) with Mw of 10,000 Da was used as pore former agent. N,N-dimethylformamide was used as solvent. The effects of different percentage of PVP and PES/PAN composition on morphology and water filtration properties were investigated. Membrane performan

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9

Gryta, Marek, and Piotr Woźniak. "The Resistance of Polyethersulfone Membranes on the Alkaline Cleaning Solutions." Membranes 14, no. 2 (2024): 27. http://dx.doi.org/10.3390/membranes14020027.

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Polyethersulfone (PES) is a polymer popularly used to produce ultrafiltration (UF) membranes. PES is relatively hydrophobic; thus, hydrophilic ingredients are added to the membrane matrix to reduce the fouling intensity. Ingredients such as polyvinylpyrrolidone (PVP) reduce the resistance of PES to NaOH solutions. This study investigated the possibility of using PES membranes for the separation of alkaline cleaning solutions. For this purpose, self-made PES membranes and commercial ultrafiltration PES membranes (UE10—10 kDa and UE50—100 kDa) containing PVP additive were used. The membranes wer

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10

Kartohardjono, Sutrasno, Ghofira Muna Khansa Salsabila, Azzahra Ramadhani, Irfan Purnawan, and Woei Jye Lau. "Preparation of PVDF-PVP Composite Membranes for Oily Wastewater Treatment." Membranes 13, no. 6 (2023): 611. http://dx.doi.org/10.3390/membranes13060611.

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The oil and gas industry and related applications generate large quantities of oily wastewater, which can adversely affect the environment and human health if not properly handled. This study aims to prepare polyvinylidene fluoride (PVDF) membranes incorporated with polyvinylpyrrolidone (PVP) additives and utilize them to treat oily wastewater through the ultrafiltration (UF) process. Flat sheet membranes were prepared using PVDF dissolved in N,N-dimethylacetamide, followed by the addition of PVP ranging from 0.5 to 35 g. Characterization by scanning electron microscopy (SEM), water contact an

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