uf technology Articles

  • Practical Characterization of NF/UF Membranes

    Introduction Membrane separations in the ultrafiltration (UF) and especially the nanofiltration (NF) regions of the filtration spectrum are governed by a complex combination of both steric exclusion and surface force interactions. UF and NF membranes bearing formal surface charges display unusual selectivity behavior not predicted on the basis of physical pore size alone. Therefore, practical ...

  • The best alternative to the protection of the UF membranes - Case Study

    Advance solutions to the recirculation of water in swimming pools. Problem The public swimming pools are continuously used during all the week for many people for making sport, amusement or relax. In these installations, the visual aspect and the sanitary conditions must be guaranteed all the time. In indoor public pools, even with the mandatory previous shower and the use of ...


    By Sistema Azud, S.A.

  • Dependable Pretreatment for UF Membrane Water Treatment System

    Lake Forest is a small upper class community along the west shore of Lake Michigan about 35 miles north of downtown Chicago, IL. In 1890 a group of residents started the Lake Forest Water Company on the present site to provide water for the residents of the community. Prior to the spring of 2004, the Lake Forest Water Plant provided traditional water treatment. Coagulating chemicals were added to ...

  • The Culligan UF-P2 water filtration system - smart well technology for disaster response & beyond

    A Longstanding Commitment to Innovation & Philanthropy As a global leader in water treatment, Culligan has developed innovative industrial and commercial water treatment systems for over 70 years. The company's worldwide network, strong service capability and revolutionary technology offers customers one source for end-to-end water treatment solutions tailored to help meet their ...


    By Culligan Matrix Solutions

  • New Holland, Inc. Dramatically cuts coolant waste with UF

    Challenge Agricultural manufacturer needs to reduce the volume of wasewater build-ups and reduce disposal costs of spent coolant. Customer New Holland, Inc. Industry Agriculture Product Hyde Ultra Mini-Ultrafiltration System Business Benefits Realized ...


    By PRAB, Inc

  • Intermittent operation of low pressure UF membranes for sewage reuse at household level

    A household-scale wastewater treatment system was operated with domestic sewage. The system could recover gardening/irrigation water from raw sewage or secondary effluent by low pressure ultrafiltration (UF). The UF membranes (surface area = 3.5 m2, pore size = 0.04 μm) were operated at constant transmembrane pressure (0.13 bar). The proposed technology was examined for ...


    By IWA Publishing

  • Advances in desalination technology

    Seawater desalination has been the cornerstone of the Middle East's water supply strategy since the mid-1950s, and most of the installed desalination capacity is still provided by multistage flash evaporators. But, desalination is changing. In fact, the term "desalination" is no longer limited to seawater applications; desalination technologies are now routinely employed to desalinate brackish ...


    By Inderscience Publishers

  • Treating Industrial Water with Membrane Technology

    A variety of industries are finding that it makes sense to reevaluate the way they treat industrial process water, both to improve the quality of their products and increase the efficiency of their processes. Purification systems utilizing crossflow membrane filtration, such as reverse osmosis (RO), nanofiltration (NF) or ultrafiltration (UF) can be a good alternative to traditional filtration ...


  • Application of Membrane Technology for the Recovery and Reuse of Water

    Abstract As water and sewer costs are expected to increase over the next decade, membrane technology will continue to be a viable and economical option in the recovery and reuse of water. This paper describes the mechanism of membrane effected separation (specifically reverse osmosis, ultrafiltration and microfiltration), membranes commercially available, membrane element configurations, and how ...


  • Economic and Environmental Benefits Flow From Filtration Technology

    Crossflow filtration operations typically fall into one of four categories: microfiltration (MF), ultrafiltration (UF), nanofiltration (NF), and hyperfiltration more commonly known as reverse osmosis (RO). The most common of the operations is reverse osmosis due to its ability to remove dissolved impurities including dissolved salts. Crossflow filtration machines typically include the membrane ...


  • Sustainability assessment of tertiary wastewater treatment technologies: a multi-criteria analysis

    The multi-criteria analysis gives the opportunity to researchers, designers and decision-makers to examine decision options in a multi-dimensional fashion. On this basis, four tertiary wastewater treatment (WWT) technologies were assessed regarding their sustainability performance in producing recycled wastewater, considering a ‘triple bottom line’ approach (i.e. economic, environmental, and ...


    By IWA Publishing

  • Evaluation of an emerging water treatment technology: ceramic membranes

    Historically, low-pressure membranes (microfiltration (MF) and ultrafiltration (UF)) used in potable water treatment are made of polymers (polysulfone (PS), polypropylene (PP), polyethersulfone (PES), polyvinylidene fluoride (PVDF) etc). Recently, membranes made of ceramic materials (aluminium oxide) have been developed by MetaWater (Japan), Kubota (Japan) and others and is being marketed in the ...


    By IWA Publishing

  • Assessment of biologically active GAC and complementary technologies for gray water treatment

    The reuse of gray water for applications ranging from irrigation to showering is a viable means to reduce net water demand when water supplies are stressed. The objective of this study was to investigate the treatment of gray water using biologically active granular-activated carbon (GAC) and complementary technologies. Technologies were challenged individually or in combination using a ...


    By IWA Publishing

  • QUA Interviewed by Industrial Waterworld at AMTA Membrane Technology Conference 2016

    QUA’s Director of Sales and Marketing, Fred Wiesler, was recently interviewed by Industrial Waterworld at the American Membrane Technology Association (AMTA)’s Membrane Technology Conference 2016 in San Antonio. Qua's Fred Wiesler describes the company's many offerings, including UF, MBR, and ceramic membranes. Highlighted: fractional electrodeionization (FEDI) technology, which ...


    By QUA Group LLC

  • Two Case Histories of Industrial Water Reuse Via Membrane Technology

    Abstract This paper describes two successful applications of ultrafiltration (UF) and reverse osmosis (RO) membrane technology used to reclaim water, reduce waste water discharge costs. The first case history covers oily waste water treatment at a major aluminum beverage can manufacturing plant. The second case describes treatment of waste water from a multi-plating bath section of a major ...


  • Screen Filtration Technology as Applied to Pretreatment of Reverse Osmosis and Ultra-Filtration Systems

    Summary New developments in the manufacturing technology of stainless steel weavewire screens enable mechanical style self-cleaning filters to be utilized as the primary pretreatment device for R-O and U-F systems. These systems are more cost effective and feature lower O&M requirements, than multimedia ...

  • What are the Top 10 Sustainability Technologies Crucial to Sustain Life on Earth

    Clean and green environment (CGE) technologies have taken center stage with rising water scarcity, energy depletion, and global warming threatening the Earth’s ability to nurture life. A concerted move toward sustainability, especially with regard to water-efficient technologies, is vital for future survival. Recent analysis from Frost & Sullivan,  ...


    By GLOBE Foundation

  • Electrocoagulation Wastewater Treatment: Specialized Technology to meet the needs of food & beverage wastewater

    The effects of water scarcity and stricter environmental regulations placed on water usage are increasing the cost of using freshwater globally. The consequences of these increasing costs on food and beverage companies are twofold, since the companies are charged for both the water that they utilize in their processes and on their wastewater discharge. Additionally, the food and beverage industry ...

  • Dispersed Phase Inertisation (DPI): A New Technology for the Treatment of Landfill Leachate and Complex Water

    Inertisation is thus far the only technology for the conversion of leachate and contaminated water into an inert product, thereby facilitating handling and disposal in MSW landfills. Introduction One of the most complex aspects of the global management of an MSW landfill or treatment plant is leachate. This liquid comes mainly from the degradation of organic matter, added to other ...


    By Energy & Waste S.l

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