disc filter Articles

  • MAS Introduces Filter Innovation

    Our partner MAS has recently attracted attention for a range of technical innovations in extrusion and plastic recycling technology, including the co-rotational conical twin screw extruder and a waterless cleaning system for film flakes. This ...


    By eFACTOR3 LLC

  • Beta ratios explained and applied to liquid filter selection

    Liquid Filter Beta Ratios: Absolute rated liquid filter selection is tied to the media micron rating, materials of construction, construction design, and particulate removal efficiency filter factor known as its Beta Ratio (Figures 1, and 2). Consider that Engineering and Purchasing usually see absolute rated liquid filter efficiencies from vendor data sheets and quotes listed at 99%, ...

  • Rolled Filters Move Filtration in a New Direction

    When selecting filtration technology, industrial users have long wrestled with the tradeoffs of dirt-holding capacity versus particle selectivity or quick-and-dirty change-outs versus process time. For many applications, a self-contained rolled filter offers an effective solution to both problems. Constructed with polypropylene hardware and various media in a spiral-wound design, rolled filters ...

  • AZUD HELIX AUTOMATIC filters are specially suitable for high flow solutions.

    The 4DCL, 400 and 200-300 series are in-line self cleaning equipment with disc filtering elements, with High Density Polyethylene manifolds, that provides a high resistance with easier handling and installation. AZUD HELIX AUTOMATIC filters are indicated for high flow solutions in industry applications like cooling towers, swimming pools or purifying plants. The main advantages of AZUD HELIX ...


    By Sistema Azud, S.A.

  • Detection of atrazine and 2,4-d in raw milk

    MATRIX: Raw Milk ANALYTES: Atrazine, 2,4-D RANGE OF DETECTION: Atrazine: 5 to 250 ppb, 2,4-D: 0.05 to 2.5 ppm MATERIALS: RaPID Assay, Kit and Sample Diluent for Atrazine and 2,4-D Reagents: methanol (pesticide grade), glacial acetic acid, distilled or deionized water, diatomacoeus earth (Celite 545). Equipment: ...


  • PREFILTERS IN ULTRAFILTRATION PROCESSES

    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.

  • 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.

  • A mono nov discreen saves migratory fish

    Implementation of conventional filters at the plant, which serves the Preston area with 6.6 million gallons of water per day, was judged impractical as they would have required regular maintenance to clear leaves and debris,whilst conventional screening technology would have been prohibitively expensive and difficult to install at this particular site. Consulting engineers were initially called ...


    By NOV Mono - Mono Pumps Ltd

  • 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.

  • Filtration solution for one of the biggest refineries of Europe - Case Study

    AZUD has developed an intuitive, safe and fully autonomous filtration solution for one of the biggest refineries of Europe.    The problem The cooling system is installed outdoors, with variable weather conditions, from - 35°C in winter until the + ...


    By Sistema Azud, S.A.

  • Coal Powder Plant

     Coal Crushing Plant,Coal Powder Plant,Coal Grinding Process The feeders load the ROM coal onto a reclaim ...


  • Mono nov completes major upgrade at knapp mill WTW

    Mono Pumps’ responsibilities included full risk assessment, temporary access and walkways, safety fencing to enclose the site from the public pathway, and craneage access. Mono co-ordinated all mechanical and electrical works, removing the old drum screens and installing six Mono L Series Discreens to the main and lagoon intakes atthe water treatment works. The Discreen was chosen by the customer ...


    By NOV Mono - Mono Pumps Ltd

  • Mono nov solves another fishy problem

    A division of Monsanto, NutraSweet Kelco is the world’s largest producer of alginate, a by-product of seaweed which is used as a natural thickener in the food, pharmaceutical, textiles and pet food industries. The efficiency of the production process and the quality of the final product is heavily dependent upon the thorough screening of river water to remove all debris, such as twigs, logs and ...

  • Mono nov solves another fishy problem

    A division of Monsanto, NutraSweet Kelco is the world’s largest producer of alginate, a by-product of seaweed which is used as a natural thickener in the food, pharmaceutical, textiles and pet food industries. The efficiency of the production process and the quality of the final product is heavily dependent upon the thorough screening of river water to remove all debris, such as twigs, logs and ...

  • Tertiary treatment for wastewater reuse based on the Daphnia magna filtration – comparison with conventional tertiary treatments

    Tertiary treatments are required to permit safe reuse of wastewater. The performance of a new biological tertiary treatment based on the filtration by a population of Daphnia magna was studied and compared with the performance of other conventional tertiary treatments such as coagulation-flocculation, settling tank, disc filtration, sand filtering and ultraviolet (UV) light. The analysis was ...


    By IWA Publishing

  • 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

  • Microsieving in primary treatment: effect of chemical dosing

    Primary and chemically enhanced primary wastewater treatment with microsieving (disc or drum filtration) was studied at the large pilot scale at seven municipal wastewater treatment plants in Europe. Without chemical dosing, the reduction of suspended solids (SS) was (on average) 50% (20–65%). By introducing chemically enhanced primary treatment and dosing with cationic polymer only, SS ...


    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

  • REVO-2 and the ATOM encoder - Case Study

    The REVO multi-sensor system is one of Renishaw's flagship products and enables CMM users to perform 5-axis measurement on a 3-axis co-ordinate measuring machine (CMM). It measures 1000s of points/sec and operates at speeds up to 500 mm/s. As the head is much lighter and more dynamic than the CMM, it is able to quickly follow changes in the part geometry without introducing harmful ...


    By Renishaw plc

  • How a Simple Bench-Scale Test Greatly Improved the Primary Treatment Performance of Fine Mesh Sieves

    In Norway fine mesh sieves are frequently used for primary treatment or as the only treatment before wastewater is discharged to coastal waters. The reasons for this are the intensive product development of fine mesh sieves taking place in Norway, and the significantly reduced investment costs and space requirements compared to other primary treatment processes. Historically the design of these ...

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