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nutrient removal Applications

  • Industrial water Ammonia & Arsenic removal from water

    Nitrogen is a nutrient essential to all forms of life as a basic building block of plant and animal protein. Nevertheless, too much of it can be toxic. The processes used for the removal of ammonium ions from drinking waters include ion exchange. PuriTech`s ION-IX system can be broken up into 4 distinctive zones with each zone operating continuously. The resin is initially loaded with the Ammonia ions (and partially calcium and magnesium)in the adsorption zone. As the ION-IX multi-port valve rotates, the resin that has been saturated with Ammonia ions (and some calcium and magnesium ions)moves into a one-bed displacement zone with softened water to ensure hard water does not cause precipitation within the multi port valve.

    By PuriTech Ltd based in Herentals, BELGIUM.

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    Industrial solutions for food and beverage industry

    Water is a precious and crucial resource in the process of food and beverage production. From screening to tertiary treatment, biological nutrient removal to water reclamation, WesTech equipment is designed to maximize efficiencies and minimize downtime, all while meeting the ever-tightening EPA regulations.

    By WesTech Engineering, Inc. based in Salt Lake City, UTAH (USA).

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    Wastewater treatment upgrades & extensions

    The time comes that a Sewage Treatment Facility Municipal or Industrial may require significant upgrading or even an extension. The upgrade usually concerns improvement process performance (removal rates) and efficiency as well as replacement of mechanical equipment. The plant expansion usually refers to an increase of the capacity or to the extension of treatment ability, ie adding Nutrient Removal.

    By DEVISE ENGINEERING S.A. based in Athens, GREECE.

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    Odor control for the poultry feed production

    The animal feed industry has its roots in the way traditional millers grinded the grains centuries ago, using (wooden) windmills. Nowadays feed is produced for chickens and other poultry, as well as for cattle, pigs and horses. There is a wide variety of feed and grains produced, with different raw materials (nutrients) applied in several compositions.

    In this modern era electric driven pellet mills are applied and grains are cooled mainly in counterflow coolers. To remove dust from the used cooling air usually a baghouse filter is being used which can meet the current severe dust emission standards. After this the air eventually will be blown outside. Especially the cooling air of poultry feed and pig feed production should be deodorized to prevent complaints.

    A factory usually has multiple pellet lines in service with about 15,000 to 25,000 m3/h of cooling air per line. Aerox has developed specific solutions for this industry.

    On the one hand a compact Aerox®-Injector can be installed per pellet line. On the other hand, airflows of different production lines can be joined together and can be treated with one compact Aerox®-Injector. In practice, this can be added up to 4 lines with a total airflow of up to 90,000 m3/h.

    Since the Aerox®-Injector can run on different capacities unnecessary power consumption is prevented when not all pellet lines are in service. This benefits the environment and reduces operational costs.

    By Aerox B.V. based in Vleuten, NETHERLANDS.

  • Water systems for health sector

    The MAGNATION H2O Energizer Personal Use Funnel makes any water more biofriendly to your cells. Magnetic resonance reduces and restructures oversized water molecule clusters into smaller units, making them more bioavailable to your body`s cells due to easier passage into the cell structure. This fuller hydration, which delivers more oxygen and nutrients while also removing toxins at an accelerated rate, allows the body to operate at a higher state of efficiency and balanced health. Magnetizing your water elevates the quality of your hydration substantially.

    By Magnation Water Technologies - Magnation Corporation based in Oakland, CALIFORNIA (USA).

  • Process Design

    Custom water and wastewater engineering, consulting and process design services to prevent air, land, water and environmental pollution. We rework systems as processes change and troubleshoot where necessary to bring systems into compliance. • High purity and process water • Biological nutrient removal • Solids treatment • Toxicity reduction • Industrial treatment • Advanced oxidation and alternative disinfection • Effluent reclamation and reuse • Land application systems • Natural treatment systems • Hydrogen sulfide and odor control • Decentralized treatment systems • Process optimization / operations assistance • Conceptual and strategic water planning

    By Yates Environmental Services based in Spokane, WASHINGTON (USA).

  • Odor Control

    AgriAir purifiers will rid the air of volatile organic substances that may be associated with indoor growing operations. Our line of air purifiers is designed to remove odors and sanitize the air by destroying contaminants at the source, not masking them. Available in a variety of models that are designed to suit any commercial operation. Large or small-scale grow, AgriAir has a purifier designed to meet your garden’s demands.Indoor cultivation always gives the grower the upper hand. In indoor growing, you have the full control of the environment for your plants. Light, water, nutrients, temperature and humidity can all be controlled. However, you also need to control the odor of plants growing indoors.

    By AgriAir Equipment based in Mukilteo, WASHINGTON (USA).

  • Filamentous Bulking Control with Hydrogen Peroxide

    Basis of Control with Hydrogen Peroxide Hydrogen peroxide may be used to correct a serious filamentous bulking situation or, preferably, to prevent one from occurring until adjustments can be made to remove the cause. When applied to the return activated sludge, hydrogen peroxide supplies dissolved oxygen which helps restore the microbial activity necessary for effective operation, while selectively oxidizing the filaments which retard settling. The effective dose of hydrogen peroxide is a function of time and concentration, and varies from plant to plant. To correct a serious bulking problem, immediate results may be obtained by adding 100 - 200 mg/L H2O2 to the biosolids recycle line. Once control of bulking is obtained, the dose may be reduced to 25 - 50 mg/L H2O2 to prevent re-occurrence. Practical Considerations Filamentous bulking of municipal activated sludge is not a normal occurrence, and suggests more fundamental problems may be at work (e.g., low dissolved oxygen, high sulfide input, heavy organic loading, nutrient imbalance, improper sludge age, or rapid changes in influent characteristics). Consequently, the use of chemicals such as hydrogen peroxide to control bulking should be pursued in concurrently with more fundamental corrective measures.

    By USP Technologies based in Atlanta, GEORGIA (US) (USA).


    Docupak LLC, a full service marketing company headquartered in Alabaster, Alabama, has reduced chemical usage by a third and removed all scale from its cooling tower at its plant after installing the patented, award-winning Scalewatcher computerized, electronic water-conditioner from Scalewatcher North America. In addition there are no longer signs of algae growth on the cooling tower louvres. Founded in 1998, Docupak, the operating name of Document and Packaging Brokers Inc., develops and distributes materials for businesses nationwide. In addition to its headquarters in Alabaster, Alabama, the company also operates a further plant in Alexandria, VA and has sales offices in Atlanta, Chicago, Cincinnati, Dallas, Los Angeles, Tampa and Washington, D.C. Aware that health agencies continually draw attention to the risks of limescale and algae in cooling towers and wanting to reduce the use of chemicals in the cooling tower, Plant Manager, Anthony Kinstley decided to install the Scalewatcher electornic water-conditioner through local dealer, Al Chatham of Water Processing and Well Supply in Harpersville, Alabama. An industrial Scalewatcher was installed on to the water-feed line to the building and then a further unit was specifically fitted on to the recirculation line of the cooling tower. “Since using the system the scaling on our cooling tower has been eliminated and we currently use only a third of the original chemicals intended for the water treatment within our system”, said Anthony Kinstley. Many air conditioning and refrigeration plant systems are water-cooled. The heat generated by cooling coils is removed by water, which is passed through a water-cooling tower. These are recirculating systems, which operate at temperatures ideal for bacterial and algae growth, and have plentiful supplies of nutrients. In cooling towers, temperature, water hardness, pH, scale and corrosion are all factors, which increase the chance of biofilms, algae and Legionella colonization. The environmentally friendly Scalewatcher provides a permanent solution to hard water problems without the need of chemicals, salt or maintenance. It works by producing a varying electronically applied force field, induced by a coil wrapped around the outside of the pipework, which keeps the minerals in suspension and thus prevents limescale forming. The water’s increased solubility enables it to dissolve existing scale, which is gradually washed away. “Scalewatcher has proven itself to be highly effective. I would highly recommend this product and service without limitation,” concluded Antony Kinstley. Scalewatcher models are based on continuous research and over 25 years experience and expertise as market leaders in electronic scale control with countless units sold worldwide. The patented Scalewatcher systems are capable of treating pipe sizes from one to 120 inches. All Scalewatcher systems come with a full performance guarantee and are shipped throughout North America.

    By Scalewatcher North America Inc. based in Oxford, PENNSYLVANIA (USA).

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