Membrane Filtration Articles

  • What can I use to filter my mobile phase?

    If you are using mobile phase that contains salts or, generally, any components that are weighed out for its preparation, you will need to filter the solution before using with HPLC or UHPLC. The most common type of filtration is membrane microfiltration. We sell an extensive group of products for this and they are discussed very well in a blog ...


    By Restek Corporation

  • Ceramic Membranes in Sludge Thickening Applications

    The Aerobic Digestion group has recently been conducting pilot testing of silicon carbide ceramic membranes manufactured by the Danish company Cembrane A/S.  This promising technology shows a great ability to filter water even in the challenging high solids environment of sludge thickening.  The results of the pilot testing have led the aerobic digestion group to utilize ...

  • Membranes in the Fast Lane – QUA CeraQ Featured in Water and Wastes Digest (W&WD)

    Membranes in the Fast Lane – Ceramic membranes provide solution for auto parts manufacturing process Our CeraQ™ Ceramic Membrane was recently featured in Water and Wastes Digest (W&WD)’s September 2016 Issue. In this ...


    By QUA Group LLC

  • Efficient removal of Indigo Carmine dye by a separation process

    This study is aimed at developing an innovative approach for Indigo Carmine dye removal from synthetic solutions by electrodialysis, carried out using ion exchange membranes. The batch electrodialysis system was operated at various current intensities: 0.05, 0.1 and 0.15 A. The pH and conductivity of solutions were measured before and after using electrodialysis process. The colour removal ...


    By IWA Publishing

  • Seawater Aquarium Case Study

    Challenge The AquaDom aquarium is the biggest freestanding cylindrical aquarium in the world. It is home to 1500 fish and corals of 97 different species. All its 1000 m³ of water are recycled every hour in order to maintain the appropriate water conditions for sustaining life. Due to the recirculation of the water and the ineffectiveness of their phosphate removal filter, the level ...


    By akvola Technologies

  • Precipitation of aluminium and phosphates in effluents treated by membrane filtration - Case Study

    Customer Application and Activity Decoral specializes in treating technical components made from aluminium and titanium through treatment steps such as anodizing and polishing. The effluents from its surface treatment plant are mainly contaminated with aluminium and phosphates. Problem to be solvedDecoral was keen to simplify the management of its products to the greatest degree possible and was ...


  • Water Reuse Terminology

    All water on Earth is used and reused, over and over, in an elegant water cycle. Water reuse occurs in various ways on a daily basis. It happens when a community’s treated wastewater is discharged into rivers or other water bodies. If you live in a community downstream of another, chances are you are reusing water from an upstream town. Scientifically proven advances in water technology ...


    By WateReuse

  • Influences of electroosmosis and electrophoresis on permeate flux and membrane fouling in submerged membrane bioreactors (SMBRs)

    The objective of this study was to investigate the influences of electroosmosis (EO) and electrophoresis (EP) on the permeate flux in submerged membrane bioreactors. When a polymeric membrane is placed in between an anode and a cathode, both EO and EP occur simultaneously, causing enhancement in flux. Results showed that after 150 min of filtration, the permeate fluxes were 60, 115, 175 and ...


    By IWA Publishing

  • Biological nitrogen removal from plating wastewater by submerged membrane bioreactor packed with granular sulfur

    Recent toughened water quality standards have necessitated improvements for existing sewer treatment facilities through advanced treatment processes. Therefore, an advanced treatment process that can be installed through simple modification of existing sewer treatment facilities needs to be developed. In this study, a new submerged membrane bioreactor process packed with granular sulfur ...


    By IWA Publishing

  • CeraQTM Ceramic Membranes Provide Robust Solution For Automotive Parts Manufacturing

    Project Background Ceramic membranes are growing in acceptance into the water and wastewater treatment industries due to their ability to operate at higher temperatures and wide chemical compatibility. This characteristic allows the membranes to be operated in high temperature appli- cations, difficult waste streams and applications where harsh cleaning chemicals are ...


    By QUA Group LLC

  • Case study - Veolia MPPE Technology - Woodside Pluto LNG - Australia

    Woodside Pluto Project Burrup Peninsula Pluto LNG has a production capacity of 4.3 million tons a year Operational since 2011 Challenge Treatment of Produced Water and site Waste water for high standard discharge to sea and partial use for Boiler feed Water. Veolia provided D&B of WW & Demin package: ...

  • Treatment of leather industrial wastewater via combined advanced oxidation and membrane filtration

    The liming/unhairing operation is among the important processes of the leather industry. It generates large amounts of effluent that are highly loaded with organic hazard wastes. Such effluent is considered one of the most obnoxious materials in the leather industry, causing serious environmental pollution and health risks. The effluent is characterized by high concentrations of the pollution ...


    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

  • Tabas coal preparation plant wastewater treatment with membrane technology

    The goal of the present work is the Tabas coal preparation plant wastewater treatment using membrane technology. Polyacrylonitrile membrane was prepared through phase inversion method and then developed by annealing process. Also, high fouling resistance membranes were prepared by the embedding of TiO2 nanoparticles using self-assembling and blending methods. The effect of immersion time and ...


    By IWA Publishing

  • A venturi device reduces membrane fouling in a submerged membrane bioreactor

    In this study, for the first time, a venturi device was integrated into a submerged membrane bioreactor (MBR) to improve membrane surface cleaning and bioreactor oxygenation. The performances of a blower and the venturi device were compared in terms of membrane fouling and bioreactor oxygenation. Upon comparing membrane fouling, the performances were similar for a low operation flux (18 ...


    By IWA Publishing

  • Fouling of a microfiltration membrane by humic-like substances: a mathematical approach to modelling permeate flux and membrane retention

    Membrane retention of the humic-like substances present in a soluble microbial products (SMP) suspension was studied by using a dead-end filtration system. The SMP suspension was extracted from the sludge of an enhanced biological phosphorus removal-membrane bioreactor. Our results showed that both adsorption and steric retention of the humic-like substances governed their transport through ...


    By IWA Publishing

  • 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.

  • White Paper - Four Membrane Cleaning Profile

    Four Membrane Cleaning Profiles With Micro-90® Alkaline Cleaning Solution, Micro® Green Clean Biodegradable Cleaner And Micro® A07 Citric Acid Cleaner SUMMARY Fouling and cleaning profiles of four types of filter membranes were obtained using MICRO-90®, MICRO® GREEN CLEAN and/or MICRO® A07. Simulated fouling processes were performed by using either a ...

  • Water Reuse Options for Industrial Plants

    Water can be a high cost commodity for an industrial operation.  In addition, industrial water consumption uses approximately 22% of water worldwide, a percentage that bothers water-conscious customers. To cut back on costs, as well as reduce environmental impact, industrial plants are considering water reuse. Plants have several options when it comes to water reuse, which  ...


    By KLa Systems, Inc.

  • YWP Weinrich perspective on RO membrane biofouling reduction

    Seawater desalination using reverse osmosis is an important part of a community’s water portfolio in coastal areas experiencing water scarcity. However, desalination using RO is expensive in part because of the costly challenges that arise from fouling on the RO membranes. Specifically, biological fouling emerged as the most poorly managed of the different types of fouling. My literature ...


    By IWA Publishing

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