Disc Filtration Articles

  • Overview of Rotating Disc Electrode (RDE) Optical Emission Spectroscopy for In-Service Oil Analysis

    Introduction The basis of modern oil analysis is the use of optical emission spectroscopy (OES) to measure the ppm (parts per million) levels of wear metals, contaminants and additives in oil samples. Whatever else an oil lab may measure, a multi-elemental analysis is the core of in-service oil analysis. This paper gives an overview of Rotating Disc Electrode Elemental Spectroscopy and its ...

    By Spectro Scientific

  • Mine backfill

    Mine backfill is defined as the material used to fill the cavities (i.e., stopes) created by underground mining. Backfilling can be a means to dispose of sludge and/ or tailings which may contain hazardous materials and to reduce surface environmental impacts by storing tailings underground. Alternately, backfilling with nonhazardous materials can allow for mining productivity improvements. To ...

    By WesTech Engineering, Inc.

  • 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.


    AZUD HELIX AUTOMATIC filters are excellent protecting Ultrafiltration membranes. Their operation is based in the disc filtration technology, which supplies an in-depth filtration. The installation of AZUD HELIX AUTOMATIC filtration equipments as prefilters is one of its commonest applications. The installation of AZUD HELIX AUTOMATIC filtration equipment prior to the cartridge filters permits: ...

    By Sistema Azud, S.A.

  • Rapid method for viable Cryptosporidium parvum oocysts detection

    Cryptosporidium parvum is a waterborne coccidian protozoan parasite known to infect humans, resulting in an illness known as cryptosporidiosis. The widely used USEPA method 1622 to detect Cryptosporidium is time consuming, and unable to provide the information on oocysts viability and species. In order to develop a fast detection method for viable C. parvum ...

    By IWA Publishing

  • The hybrid process TiO2/PAC: performance of membrane filtration

    In investigations concerning the photocatalytic degradation by TiO2 usually filter discs with a pore size of 0.22 μm and 0.45 μm are used for the removal of photocatalyst particles in aqueous suspensions. In this study the effective rejection of suspended particles by microfiltration in different types of membrane modules and with different membrane materials was investigated. Furthermore, ...

    By IWA Publishing

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