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Improving ultrafiltration efficiency of acidified skim milk using bipolar membrane electrodialysis: Impact on protein concentrate composition, process performance, and fouling.
Food Res Int
January 2025
Department of Food Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg, Denmark. Electronic address:
The efficiency of ultrafiltration (UF) of acidified skim milk (SM) is impaired by protein aggregation and mineral scaling. The aim of this study is to assess the potential of acidification by electrodialysis with bipolar membranes (EDBM), in comparison with citric acid (CA), prior to the UF process on filtration performance, fouling and composition of the protein concentrates. Electro-acidification, facilitated by a water-splitting reaction, decreased the pH of milk to ∼ 5.
View Article and Find Full Text PDFThe efficient separation of bioactive components from Eucommia ulmoides Oliver using membrane filtration technology and its mechanisms in preventing alcoholic liver disease.
Carbohydr Polym
March 2025
College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling 712100, China; College of Forestry, Northwest A&F University, Yangling 712100, China; Western Scientific Observation and Experiment Station for Development and Utilization of Rural Renewable Energy, M.O.A, Northwest Agriculture & Forestry University, Yangling 712100, China. Electronic address:
The efficient extraction and purification of active components from Eucommia ulmoides Oliver (EUO) are crucial for their utilization. The structure and properties of the prepared EUO leaf polysaccharides (ELPs) and extractum (ELE) were comprehensively characterized in this study, and the intervention mechanism of the EUO polysaccharides and extractum in alcoholic liver disease (ALD) were investigated. The yield of EUO extractum was 24.
View Article and Find Full Text PDFFabrication and Performance Evaluation of a Novel Composite PVC-ZnO Membrane for Ciprofloxacin Removal by Polymer-Enhanced Ultrafiltration.
Polymers (Basel)
December 2024
Polymer Science Program, Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat-Yai 90110, Thailand.
Water pollution is a major global issue, and antibiotic drugs released into aquatic environments by the pharmaceutical industry, such as ciprofloxacin, have negative consequences on both human health and the ecosystem. In this study, the performance of PVA as a polymer ligand for ciprofloxacin (CPFX) removal is evaluated through polymer-enhanced ultrafiltration using a novel composite PVC-ZnO membrane. The initial concentration of the ciprofloxacin solution, pH, ionic strength, ideal polymer concentration, duration, and maximum retention capacity were among the factors that were examined.
View Article and Find Full Text PDFEffect of Promising Sustainable Nano-Reinforcements on Polysulfone/Polyvinylpyrrolidone-Based Membranes: Enhancing Mechanical Properties and Water Filtration Performance.
Polymers (Basel)
December 2024
Department of Environmental Engineering, Istanbul University-Cerrahpaşa, Avcilar, Istanbul 34320, Turkey.
In this study, polysulfone/polyvinylpyrrolidone (PSf/PVP, 20 wt%/5 wt%)-based ultrafiltration (UF) membranes reinforced with different ratios (0.5 and 1 wt%) of cellulose nanocrystals (CNCs) and cellulose nanofibres (CNFs) were prepared by the phase inversion method. The effect of CNC, CNF, and CNC-CNF reinforcement on the morphology, roughness, crystallinity, porosity, average pore size, mechanical properties, and filtration performance of PSf/PVP-based membrane was investigated.
View Article and Find Full Text PDFComparison of Sulfamethoxazole Removal Efficiency Using Polyethersulfone Ultrafiltration Membrane Modified by Various Methods.
Materials (Basel)
December 2024
Department of Chemical Engineering, Faculty of Chemistry, Campus of Espinardo, University of Murcia, 30100 Murcia, Spain.
Nowadays, there is a growing interest in membrane modification processes to improve their characteristics and the effectiveness of their treatments and reduce the possible fouling. In this sense, in this work, a modification of an ultrafiltration membrane with three different materials has been carried out: reduced graphene oxide (rGO), chitosan and MgCl. For both the native and the modified membranes, a study has been carried out to remove the emerging contaminant sulfamethoxazole (SMX).
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