backwash News

  • Filtronics Daily Backwash Volume Calculation

    The formula to calculate (and compare) daily backwash volume is: (((Design Flow / Filtration Rate) * Backwash Duration * Backwash Rate) + (Rinse To Waste Time * Design Flow)) * Number of Backwashes Per Day The Filtronics system does backwash more frequently than a comparable greensand plant BUT our backwash duration is significantly shorter producing far less waste water, even when taking the ...


  • Backwash water reuse installation opts for Berson

    Bersons UV systems are being used to disinfect reused backwash water from sand filtration units at the Spannenburg groundwater drinking water facility in the Netherlands. Up to 5% of the produced drinking water at the Spannenburg plant (1.25 million m3/year) is used to backwash the sand filters and, until recently, this water was simply discarded. Following the installation of two Berson InLine+ ...

  • Replacement Bleach Dosing Unit Ends Leaks and NaOCl Shortage for UF Backwash at SWTP

    The supervisor of the membrane system for a 7.5 MGD ultrafiltration (UF) and reverse osmosis (RO) facility at a 15 MGD surface water treatment plant (SWTP) in Granbury, TX reports that replacement of the bleach (NaOCl) pump with a vacuum feeder has eliminated frequent pipe and valve leaks in a bleach delivery system needed for UF backwash. He also notes new capability for providing required NaOCl ...


    By JCS Industries, Inc.

  • Graver Technologies introduces new line of advanced stainless steel backwashable precoat septa for reactor water cleanup

    Graver Technologies, LLC, a leading worldwide ISO9001:2000 supplier of filtration, separation, and purification products, has introduced a new line of advanced stainless steel backwashable precoat septa for reactor water cleanup (RWCU), fuel pool and other specialty applications in nuclear power generation.Aegis PowerGuard® all metal septa are designed to fit original Graver bottom tube sheet ...


  • Suspended Solids Density Meter: Maintain Your Concentration!

    Markland's Meter offers real-time knowledge of sludge/silt concentrations in pipes, tanks & clarifiers, and automates sludge removal. Its non-intrusive, ultrasonic sensor provides continuous %SS readings of primary, secondary, return-activated and backwash sludge, allowing users to program underflow pumps to shut off before sludge density becomes too thin, and helping operators optimize ...

  • Compact automatic filter enables final effluent recycling

    A compact Rotork actuated automatic backwashing filter is providing reliable, efficient and economical filtration of final effluent for drum thickener washing duty at a sewage treatment works on the south coast of England. Using filtered final effluent is saving the operator the considerable cost previously incurred by the use of mains water for this duty. The Cross Phoenix Type R filter is ...


    By Rotork

  • Ballast water treatment is the big new market for liquid macrofiltration

    Concern about invasive species in lakes and seas will create a $70 billion market for ballast water treatment systems for vessels traveling in international waters. A critical component of each treatment system is a filter. This new opportunity will add 10 percent to the revenues of the suppliers of liquid macrofiltration equipment and will double the size of the automatic backwash filter ...


    By The McIlvaine Company

  • Dŵr Cymru Welsh Water committed to Discfilter Technology

    Veolia Water Solutions & Technologies is to supply another Hydrotech® Discfilter tertiary treatment plant to Dŵr Cymru Welsh Water. This new contract, which follows similar installations at a number of other Dŵr Cymru Welsh Water wastewater treatment works, will see two Hydrotech HSF2212/11-1F Discfilter units being installed at Connahs Quay WwTw as part of a £1.65m upgrade being ...


  • Sustainable process water system for Dr. Pepper

    The 1,200-gpm (273-m3/hr) system will include media and carbon filtration, nanofiltration, reverse osmosis and ultraviolet disinfection, and is designed to recover more than 90% of the water. Siemens will design, install and start up the system, which is scheduled for commissioning in early 2010. Once completed, the Victorville plant will be the most advanced production facility in the DPS system ...

  • UK Launch for Water Treatment Filtration Equipment

    GB Filters is delighted to announce the launch of ‘Roberts’ water treatment filtration equipment in the UK. The Roberts Filter Group is the largest manufacturer of municipal and industrial filtration systems in the US, and GB Filters says a tremendous opportunity now exists to employ these technologies in the UK water sector. The product range is suitable for both potable and waste applications ...


    By Roberts Filter Group

  • Microfiltration elements for challenging water

    Membrane provider Nitto Denko/Hydranautics has developed HYDRAcap MAX microfiltration elements that have a very high membrane surface area and durable membrane fibre. The HYDRAcap MAX microfiltration technology from Nitto Denko/Hydranautics has a low footprint, and uses a crystalline polyvinylidene fluoride (PVDF) membrane fibre that is extremely ...

  • R3f pricing provides significant water treatment advantage

    Enprotec-Clow is a Cincinnati based provider of industrial waste water treatment equipment. The company has a fortune 500 client list and is proud of its 100% satisfaction rating and 14 years of servicing that distinguished client base. The company purchased the water treatment technology from Clow and Envirodyn in the early 1990’s. Since that time those reliable designs have been improved using ...


  • Adedge water technologies awarded contract to provide Arsenic treatment systems for spring creek utilities company

    Three AdEdge WaterPOD containerized water treatment systems will remove arsenic from threewells that are non-compliant with the EPA Arsenic MCL of 10 ppb. Buford, Ga. (September 2011) AdEdge Water Technologies, LLC, a leading supplier of water treatmentsystems, has been awarded a contract to work with the owners engineer, Sunrise Engineering to design andbuild three AdEdge WaterPOD containerized ...

  • Arsenic Removal Technology

    Onion Equipment provides an innovative, cost-effective and reliable approach for the safe removal of arsenic from contaminated sites, municipal water supplies and private wells. OEarsenX is a polymer based bead with hydrous iron oxide nano-particles impregnated throughout the bead. This advanced hybrid material combines the best arsenic-binding chemistry, arsenic selective chemistry of iron ...


    By Onion Enterprises

  • WesTech Announces Strategic Partnership with Nordic Water

    May 20th, 2009. WesTech Engineering, Inc. is pleased to announce a new partnership with Nordic Water Products. WesTech, will now have sole North American distribution rights for the following Nordic Water product groups: MEVA fine screens, featuring the Rotoscreen™ Step and patented Monoscreen™ suitable for pre-membrane treatment. New from Meva is the patented Screw Wash Press with CPS. The ...


    By WesTech Engineering, Inc.

  • Forsta Filters Announces self-cleaning screen filters in fiberglass reinforced plastic (FRP)

    Forsta Filters’ exciting new FRP Series offers an ideal solution for corrosion resistance in brackish, brine and seawater filtration applications. All wetted components of the FRP Series self-cleaning filters are constructed from seawater-resistant plastic and other high alloy materials, making it the only one of its kind. The FRP Series filters can withstand pressures ...


    By Forsta Filters Inc.

  • New back flushable filter cassette FLOW-CEL® for biotech applications

    MICRODYN-NADIR GmbH from Wiesbaden/Germany will introduce a new development for the filtration demands of the biotech industry at the ACHEMA in Frankfurt am Main. This development is a cassette system for the ultrafiltration of highly viscous media like fermentation processes. With a membrane area of 10m² and a 10kDa molecular weight cut-off, this FLOW-CEL® module is optimally designed to filter ...


    By MICRODYN-NADIR GmbH

  • 1000 M3D Desalination system available !!

    New desalination system capable to produce 1000 M3D ( 263,000 US GPD ) is available for inmediately delivery. All Anciliary equipment is included  Tecnical Details: Permeate ( Product ) Flow : 1000 M3D ( 263,000 GPD ) Energy recovery device: Included - Fedco Turbo charge RO Pump: Fedco pump 200 HP Pressure vessels: 12 ...

  • Thermal Spa in Bad Aibling relies on Ultrafiltration

    In Bad Aibling, hitherto known as a moor spa, a new thermal spa will be opened in September 2007. Not only the intended spa’s waterpark shall be modern and trend-setting – but also the water treatment will be according to state-of-the-art technology: By passing through five filtration cycles, approx. 800 cubic metres of water per hour are purified by means of ultrafiltration. Since 2003, the ...

  • United Utilities Framework Success

    Bedford Pumps Ltd have recently signed an agreement with United Utilities Water Plc to be their exclusive supplier of mixed–axial flow bowl type pumps for the water and wastewater sectors. This agreement will ensure that Bedford Pumps will supply all new and replacement mixed and axial flow pumps, spares and associated equipment throughout the United Utilities area for a 5 year period. The ...


    By Bedford Pumps Ltd

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