chemical free iron removal Articles

  • 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.

  • Scalewatcher removes limescale and reduces chemical and detergent use at La Quinta Inns & Suites in Texas

    La Quinta Inns & Suites in Comfort, Texas has removed the build up of calcium in its hotel rooms and reduced the use of detergent and chemicals in the hotel laundry following the installation of the patented, award-winning Scalewatcher computerized, electronic water-conditioner from Scalewatcher North America. Such has been the success of the Scalewatcher system that the owner has since ...

  • Effective Removal of Zebra Mussels with Amiad Screen Technology

    Introduction The zebra mussel, native to the Black and Caspian Seas, has spread in the past few decades to waterways throughout the world mostly via ballast water. Zebra mussels, when non-indigenous to the environment, pose a serious threat to intakes of facilities that rely on fresh and brackish surface water. The mussel colonies obstruct the flow of water through the pipelines eventually ...

  • Scalewatcher removes limescale at Mathews Manor wedding and conference events venue

    Mathews Manor, a unique wedding and conference events venue in Springville, Alabama has found the solution to hard water limescale by installing the award winning Scalewatcher computerized, electronic water conditioner from Scalewatcher North America. Since installing Scalewatcher, the venue no longer has limescale residue in its dish rooms and it is using 50% less chemicals in its swimming ...

  • Cost Effective, Easy to Operate H2S Removal in Central China

    Documento sin título In 2000, ...


    By Merichem Company

  • Abanaki`s versatile high-temp poly belt well-suited for Fracking wastewater oil removal

    Abanaki Corporation has been successfully providing oil skimming technology to wastewater treatment plants in the removal of oil from fracking wastewater. Due to the variety of contaminants found in fracking wastewater, the suitable oil skimmer belt for this particular application is ...


    By Abanaki Corporation

  • Implementation and Evaluation of an Innovative Treatment of Xylenes and Naphthalene Using Oxidation and Biological Mechanisms

    ABSTRACT: Subsequent to initial source area excavation and backfill, residual xylenes and naphthalene were treated via a biotic and abiotc approach.  The remedial technology utilized free radical chemistry, oxidation chemistry and facultative biological oxidation.  These processes extended the oxidant and free radical residuals while enhancing the in-situ environment for biologically ...

  • Nickel Smelting and Refining Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...


    By The World Bank

  • Bioremediation replaces “dig and dump” for treatment of pesticides in soil

    Historical usage of organochlorine pesticides (OCPs) such as DDT, toxaphene and dieldrin has resulted in long-term soil contamination, because these substances typically do not degrade naturally at significant rates, so sites are still impacted decades after the end of application. For example, DDT use in Canada ended over 30 years ago, but impacted soil remains at many sites. Such was the case ...


  • World War II Memorial, DC - Case Study

    In 2003, AdEdge Water Technologies began working closely with EarthTech, the assigned engineering firm responsible for specifying and selecting the various water treatment systems serving the new National World War II Monument in Washington, DC. Stormwater and groundwater control and treatment are essential aspects of this project given the location of the site on the Mall adjacent to the ...

  • UV disinfection for enhanced oil recovery and other oilfield applications

    One of the biggest challenges facing oil companies today is how to extract more oil from the discoveries made in the last 40 years. Estimates vary, but approximately 66% of the discovered oil gets left in the ground. The International Energy Agency has estimated that if, in the next 20 years, this figure could be reduced to 50%, then this would increase the world's recoverable oil by 1.2 trillion ...


    By atg UV Technology

  • Phosphate Pre-Treatment of Steel: Always Powder Coating

     Always Powder Coating have replaced the conventional iron phosphate pre-treatment system with an organic process that operates at room temperature. The savings from reduced energy, labour and waste disposal costs amount to $60,000 per annum. Background Always Powder Coating (APC) operates a powder coating facility in Melbourne's eastern suburbs and specialises in ...


  • Quadrasperse Quadpolymer solves major fouling problem at large Gulf Coast Petrochemical Plant

    Background As a result of poor results with a previous water treatment supplier, ChemTreat was given the opportunity to turn things around in a large, open recirculating cooling system for a Gulf Coast chemical plant. The cooling system serviced a light olefins unit with multiplestage, cracked-gas compressor after-coolers operating at a high skin temperature. At a maximum skin temperature of ...


    By ChemTreat, Inc.

  • Leachates: Technologies for onsite sustainable leachate management

    Municipal landfill leachate is characterized by high concentrations of recalcitrant organic compounds, ammonia, suspended material and heavy metals. As a result, leachate is difficult to manage because conventional forms of biological and chemical treatment are inefficient at dealing with such a diverse and complex waste stream. Because of widely varying practices in solid waste management, an ...


    By Waste Advantage Magazine

  • Waste Minimisation Strategy: Monroe Australia

     The company has implemented a major waste minimisation strategy that has enabled it to process liquid waste, reduce water usage, reduce chemical and waste disposal costs, and eliminate pollution. It installed new equipment which treats wastewater to remove emulsified fats and oils, grease, heavy metals and all forms of suspended, colloidal and some dissolved solids. Mains water usage has ...


  • RO Feedwater: Treat It Right

    Summary Crossflow membrane filtration systems, such as reverse osmosis (RO), nanofiltration (NF) or ultrafiltration (UF), are good alternatives to traditional filtration and chemical treatment. However, to get the best performance from them, careful attention must be paid to feedwater conditions. Pretreating feedwater can lengthen the life of membrane elements, improve the quality of the ...

  • Treatment Options for Molten Sulfur Storage

    Documento sin título ...


    By Merichem Company

  • Eco-friendly Scalewatcher tackles scale in school building

    A school in Texas is benefiting from reduced salt and chemical usage following the installation of the computerized, electronic, water-conditioner Scalewatcher® from Scalewatcher North America.  The Scalewatcher system has proved so successful that the school authorities are proposing to install units in every building which will save the school authority thousands of dollars a year in ...

  • Machining Coolant Recycling: Unidrive

     Unidrive Pty Ltd undertake extensive machining operations during the production of automotive components. In the past this resulted in the generation of 20,000 litres of waste coolant every week. By implementing a coolant recovery and recycling system, Unidrive have saved approximately $179,000 per annum as a result of more efficient coolant usage and management. ...


  • Understanding Crossflow Filtration

    There's a lot of attention being given to water availability and purity, with good reason. Obtaining enough water is a struggle in some areas. In others, water is tainted with contaminants. It is therefore predictable that regulations and economics will force careful water treatment and stress water re-use. Fortunately, there are water treatment methods that can help you meet the water quality ...


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