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A bridge over troubled water: reverse osmosis to maintain patient care in a boil water notice.
Infect Control Hosp Epidemiol
January 2025
Department of Internal Medicine, Baystate Medical Center, Springfield, MA, USA.
A citywide boil water notice necessitated an alternative solution for treating contaminated water. We report our experience using portable reverse osmosis machines to treat the municipal water to provide purified water to patient care areas where non-sterile water was needed, preventing interruptions in services like elective surgeries.
View Article and Find Full Text PDFReverse Osmosis Coupled with Ozonation for Clean Water Recovery from an Industrial Effluent: Technical and Economic Analyses.
Membranes (Basel)
January 2025
Departamento de Ciencias del Agua y Medio Ambiente, Instituto Tecnológico de Sonora, 5 de Febrero 818 sur Col. Centro, Cd. Obregón C.P. 85000, Sonora, Mexico.
Technical and economic criteria were used to evaluate the feasibility of the treatment of an industrial effluent (10 m/h) for water recovery and reuse. The treatment evaluation included the following: (1) effluent characteristic determination; (2) selection and evaluation of the effluent treatment at lab scale, establishing operating conditions and process efficiency; (3) scaling up the treatment process to the industrial level; (4) treatment plant design and commercial availability analysis of the required equipment; and (5) the costs of the inversion and operation of the plant treatment, cost/m for water recovery, and time of investment recovery. The physicochemical characteristics of the effluent exposed the polluted wastewater with sodium chloride salts and colourants, predominating a mixture of tartrazine, Red 40, and brilliant blue from the synthesis of food additives.
View Article and Find Full Text PDFSpacer Designs for Improved Hydrodynamics and Filtration Efficiency in Sea Water Reverse Osmosis.
Membranes (Basel)
January 2025
Environmental Science and Engineering Program, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.
Reverse osmosis (RO) filtration performance is heavily influenced by the design of the feed spacer. Spacer design impacts hydrodynamic patterns within the system, affecting water production and concentration polarization. Two spacer designs, namely pillar (P) and standard (S), were investigated to improve the performance of a commercially available spacer design (C) in the RO process.
View Article and Find Full Text PDFA Review of Sulfate Removal from Water Using Polymeric Membranes.
Membranes (Basel)
January 2025
Industrial Systems Engineering, Produced Water Treatment Laboratory, Faculty of Engineering and Applied Science, University of Regina, Regina, SK S4S 0A2, Canada.
Access to clean and reliable water has become a critical concern due to the global water crisis. High sulfate levels in drinking water raise health concerns for humans and animals and can cause serious corrosion in industrial systems. Sulfated waters represent a major challenge on the Canadian prairies, leading to many cattle deaths.
View Article and Find Full Text PDFThe Role of Membranes in Modern Winemaking: From Clarification to Dealcoholization.
Membranes (Basel)
January 2025
Laboratory of Agroindustrial Processes Engineering (LAPE), Federal University of Santa Maria (UFSM), 3013 Taufik Germano Rd., University II DC, Cachoeira do Sul 96503-205, RS, Brazil.
The utilization of membrane technologies in winemaking has revolutionized various stages of production, offering precise and efficient alternatives to traditional methods. Membranes, characterized by their selective permeability, play a pivotal role in enhancing wine quality across multiple processes. In clarification, microfiltration and ultrafiltration membranes, such as ceramic or polymeric membranes (e.
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