gravity sand filtration Articles

  • Gravity self-backwashing filters

    The filtration of make-up and side-stream water in closed cooling circuits, operated through cooling towers, is a fundamental step to ensure safe and continuous operations in a power plant. Water - required in large amounts for this application - should not be wasted, and the potential damages deriving from a poor treatment must be avoided at all cost. BONO ARTES has developed a technical ...


    By Artes Ingegneria SpA

  • Seven Ways Your Facility Isn’t Meeting Effluent Regulations and How to Solve Them

    Whether you own, operate, or help manage a municipal or industrial facility that deals with wastewater, it’s important to understand how wastewater treatment can play a significant role in the overall health of your business, especially when it comes to meeting effluent regulations. This is an important part of the wastewater treatment process to consider, as ignoring it could earn your ...


    By SAMCO Technologies, Inc.

  • Biofilm formation and permeate quality improvement in Gravity Driven Membrane ultrafiltration

    The effects of biofilm development on ultrafiltration membranes with regard to permeate stability and permeation rates were investigated using Gravity Driven Membrane (GDM) filtration. The first part of the study aimed at evaluating the influence of the biofilm on permeate flux quality and quantity with regard to Assimilable Organic Carbon (AOC) degradation. In addition, two types of biological ...


    By IWA Publishing

  • Industrial Skid Mounted Filtration System, USA

    INTRODUCTION In April 2013, Pure Aqua successfully manufactured and supplied to a major wastewater treatment site in the USA with a skid mounted twin alternating multi-media water filtration system to remove suspended solids from well water. The multi-media filtration system comes complete ...


    By Pure Aqua, Inc.

  • Advanced Filtration Media (AFM): Clean Water Market Analysis

    Executive Summary This report has been prepared by Entec to provide a market assessment of the application of AFM (Advanced Filtration Media) for potable water treatment. The work has been carried out on behalf of BREWEB, the Environmental Body of the Building Research Establishment and Dryden Aqua Limited, the developers of AFM. AFM is a high quality product that has been developed as ...

  • Traditional and novel reservoir management techniques to enhance water quality for subsequent potable water treatment

    Thames Water treats approximately 2800Ml/d of water originating mainly from the lowland rivers Thames and Lee for supply to over 7.3 million customers, principally in the cities of London and Oxford. Traditionally, for London, water treatment has consisted of abstraction (pumping water from the rivers Thames and Lee), theoretical storage for 30–80 days in deep reservoirs, two stage filtration ...


    By IWA Publishing

  • Treatment Of High Strength Chemical Industry Wastewater Using Moving Bed Biofilm Reactor (MBBR) and Powdered Activated Carbon (PAC) Technology

    A new Waste Recycling Facility (WRF) was created at the Sasol coal to liquids facility in Secunda, South Africa with a wastewater treatment system that includes equipment to treat the wastewater and storm water through several steps including equalization, oil removal (gravity separation and dissolved air flotation), lime neutralization/metals precipitation, back-neutralization, fixed-film ...

  • Waste Water Recycle/Reuse Project (Tap Water) – Phuket, Thailand

    Producing high quality water from Municipality Waste Warer in Phuket Thailand a famous Tourists Destination. W.O.G Group has been awarded a Waste Water Recycle/Reuse Project by Patong Municipality, Phuket, Thailand to increase municipal water supply in Phuket. CLIENT’S OBJECTIVE: To treat sewage water (25 MLD) to the same quality standards as that supplied by the ...


    By WOG Technologies Inc.

  • Loch Turret water treatment works

    Actiflo® high rate sand ballasted clarification & multiflo lamella sludge thickening plant The Loch Turret upgrade was the largest drinking water project for Scottish Water in the latest investment period. The scheme was taken over in 2010 and is delivers approx 85 million litres of drinking water per day The Client Scottish Water is the UK's fourth largest ...


  • Deepwell injection

    Project profile: BP Chemicals DATA: End User: BP Chemicals Location: Lima, Ohio Commissioned: November 2000 Units: (2) FDB-64P Hydromation, Deep Bed Filter Flow Rate: 1,300 gpm Process: Solids removal prior to deep well disposal ...


    By Filtra Systems

  • Blairlinnans WTW, Scottish Water, 91 MLD

    The Client Scottish Water is the UK's fourth largest water utility. They are responsible for the whole of Scotland and islands around the Scottish coast, including the major cities of Glasgow, Edinburgh and Aberdeen. The Client's Needs Scottish Water required a new water treatment works in the Glasgow area to meet revised water quality standards, particularly ...


  • Full Scale Test on Chemical P Removal During a Step Feed BNR Study at John E. Egan Water Reclamation Plant

    ABSTRACTA full scale nutrient removal study was conducted at the 30-MGD John E. Egan Water Reclamation Plant with a single-stage nitrification activated sludge process and sand filtration. One quarter of the plant’s secondary treatment capacity was used in the study. Simultaneous nitrogen removal through a step feed BNR process and phosphorus (P) removal by chemical precipitation with ferric ...

  • 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 ...

  • How to Plan Stormwater Management for Urban Areas

    Water is a vital commodity in our lives, but it is possible to have too much water all at once in our lives, especially following violent storms or snow melt. This excess water, lying on the ground, swelling rivers, canals and drains to over-capacity is known as stormwater. In order to make the best use of this water, local authorities need to safely contain stormwater while any ...


    By Liquivault

  • Methods of Water Purification

    This article is excerpted from 'Pure Water Handbook' published by Osmonics®, Inc. of Minnetonka, Minnesota USA and is printed with permission of Osmonics, Inc. Water treatment can be defined as any procedure or method used to alter the chemical composition or natural 'behavior' of a water supply. Water supplies are classified as either surface water or groundwater. The majority of public or ...

  • Geotube Dewatering Technology Provides An Effective Dewatering Technology Solution For Dewatering Aggregate Tailings - Case Study

    Simple and inexpensive, Geotube dewatering technology can make management of tailings and fines much easier. Many aggregate plants experience high equipment and manpower costs associated with the handling and removing o( tailings and fines from settling ponds. The costs of maintaining pond operations can vary significantly from plant to plant. Not only is valuable space tied up ...

  • Home, Sweet Wastewater Building

    How can a wastewater treatment plant embedded into a neighborhood not use much landmass and be environmentally friendly and user-friendly all at the same time? One system aims to do all of the above. Why should a wastewater treatment plant always have to look like, well, a wastewater treatment plant?  A visual trip through project files of Aqueonics Inc., based in Greenville, SC, reveals photos ...


    By Aqueonics, Inc.

  • Introduction to Decentralized Packaged Wastewater Treatment (PWWT) Systems - PDH Article

    Learning Objectives After reading this article, you should understand: Functions and processes of a decentralized PWWT system; Design considerations of a PWWT system. Overview "Clean water will be the oil of the 21st Century." The accuracy and magnitude of this statement is resonating worldwide. ...

  • Sustainable wastewater separation treatment systems coupled with nutrient and water reducing greywater reuse technologies

    Nationally and internationally, pressure is increasing to introduce nutrient reducing, water conserving and recycling measures for sustainable residential and small community water/wastewater systems. Reports of inadequate water quality and quantity are being reported daily. Over the past thirty years the federal government and State of Alaska have invested over 4 billion dollars installing piped ...


    By Equaris Corporation

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