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Clarifiers Applications

  • Headworks Odor and Corrosion Control Using Hydrogen Peroxide

    Hydrogen Peroxide typically controls odors and corrosion at treatment plant headworks by direct oxidation of hydrogen sulfide (H2S) within the wastewater. In the direct oxidation mode, H2O2 is applied to the wastewater 5-30 minutes prior to the point where the odors are being released, generally as the wastewater line enters the plant boundary. The efficiency of hydrogen peroxide treatment depends upon the available reaction time, the level of iron in the wastewater (reaction catalyst), wastewater pH and temperature, and the initial and target levels of H2S odor. Under optimal conditions, effective dose ratios are 1.2 - 1.5 parts H2O2 per part dissolved sulfide, and can be reliably estimated through beaker tests. H2O2 + H2S → S0 + 2H2O Frequently, control of odors through the primary clarifiers is wanted. In such case, the mechanism of control is both direct oxidation of H2S (as it rises from the solids blanket), and prevention of odor generation (by supplying dissolved oxygen). Control is typically achieved with a booster dose of 1-2 mg/L H2O2 added to the clarifier influent. Higher doses or alternate modes of addition may be required in cases where: 1) hydraulic retention times are > 2-3 hours; 2) solids blanket depths are > 1-2 feet; 3) soluble BOD levels are > 200-300 mg/L; or 4) waste activated sludge is co-settled with the primary solids. 2H2O2 → O2 + 2H2O

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

  • Gas analysis & monitoring systems for water - natural sciences

    In nature, the chemical elements can be represented by more isotopes, or atoms of the same element, characterized by a different number of neutrons in the nucleus. When the proton / neutron ratio does not exceed that value likely to upset the balance of the atom, resulting in the phenomenon known as stabilization of radioactive decay, the isotope is called stable. That is, over time, will not tend to emit energy and sub-nuclear particles to gain energy stability, giving rise, at the end of the process, the daughter nucleus (a different element, characterized by stability energy).

    By ETG Risorse e Tecnologia S.r.l. based in Montiglio, ITALY.

  • Anaerobic Digester for Biogas Plant

    Glass fused to steel tank is made by a special process, called vitreous enamel coating ,which is an advanced technology for anti-corrosion purpose of steel plate. Tanks are coated both inside and outside with enamel .Today, glass fused to steel tank is widely used in wastewater treatment projects as aerobic and anaerobic reactors of UASB,EGSB,SBR,BAF,USR,CSTR, and equalization tank, clarifier, and sludge holding tank. It has proven its superior resistance to thermal and chemical when facing water with extremes in pH and temperature.

    By Center Enamel Co,.Ltd based in Guangzhou, CHINA.

  • Odor control

    Reducing odors is the most common reason clients select GTI covers. Our variety of cover options help industrial food and beverage processors contain odors from primary clarifiers, aeration basins, equalization tanks, and digesters by covering the exposed surfaces.

    By Geomembrane Technologies, an Evoqua brand based in Fredericton, NEW BRUNSWICK (CANADA).

  • Sludge dewatering and water recovery from sand and aggregate washing processes

    Bilfinger Water Technologies designs and builds complete water recovery and slurry dewatering systems for sand and aggregate washing plants. These high-performance systems minimize water usage and solid disposal problems.

    By Aqseptence Group GmbH based in Aarbergen, GERMANY.

  • Industrial and commercial water filtration for energy reduction

    It is important in all sectors these days that companies look for energy reduction when it comes to water filtration, as they would look at reducing their carbon footprint. The correct water filtration system can not only assist with reducing water and carbon footprints, but can also reduce costs and increase efficiency and output.

    By Hydro-Gen Engineering Ltd based in Widnes, UNITED KINGDOM.

  • Algae control in water treatment plants

    Controlling algae, cyanobacteria and fouling efficiently with ultrasound to reduce taste and odor problems in the treatment plant. Prevent taste and odor problems. Control fouling in sand filters and clarifiers. Improve coagulation and flocculation processes.

    By LG Sonic based in Zoetermeer, NETHERLANDS.

  • Industrial wastewater treatment systems for oil and gas industry

    Ecolotron, Inc. manufactures the world’s best electrolytic equipment and systems used in a variety of water and wastewater treatment applications. Ecolotron, Inc. applies patented E – FLOC technology to design and build electrolytic wastewater systems for the treatment and beneficial reuse of frac, flow-back and other produced waters associated with oil and gas exploration and production activities. E-FLOC technology uses a low Voltage electric current to destabilize multiple contaminates simultaneously via a single unit process. Both dissolved and suspended contaminates are removed, emulsions are split and water soluble hydrocarbons (TPH / BTEX) are oxidized as bacteria is also destroyed. With over 20 year of success in the oil & gas and water treatment industries, Ecolotron, Inc. provides custom engineered, turn-key solutions for the construction of centralized, produced water treatment systems and facilities.

    By Ecolotron, Inc. based in E. Dickinson, TEXAS (USA).

  • Hydrocyclones for sewage & waste water treatment applications

    FLSmidth Krebs Hydrocyclones and Close Packed Cyclones provide a more efficient and less expensive option to remove grit, sand, and other solids from sewage/water than gravity sedimentation systems.

    By FLSmidth KREBS based in Tucson, ARIZONA (USA).

  • Membrane filtration systems for cheese brine clarification

    Salt brine is used to cure many different varieties of cheese. Disposal of salt brine is expensive and often prohibited due to high salt content. Ultrafiltration rejects the fats and proteins that are expelled from cheese into the brine and allows continuous re-use of salt brine baths.

    By GEA Filtration based in Hudson, WISCONSIN (USA).

  • Dewatering applications for screw presses in pulp and paper mills

    Stock Thickening: Between Primary and Secondary Refining Stage. Between Secondary and Tertiary Refining Stage. In Front on High-Density Stock Chest. In Front of Dispersion Systems in Recycle Mills. Pulp Washing for Pine Tar and Chemical Removal.

    By Press Technology & Mfg., Inc. based in Springfield, OHIO (USA).

  • Wastewater treatment solutions for controlling filamentous microorganisms

    Wastewater treatment plants can on occasion experience problems with settling of the biological sludge in the secondary clarifier. Often this problem is caused by the abundant presence of filamentous microorganisms.

    By QM Environmental International B.V. based in The Hague, NETHERLANDS.

  • Hydrocyclones for quench water treatment

    Cost Effective Protection with Krebs Hydrocyclones for Quench Water Treatment. High Efficiency products to remove mill scale in steel plants and metal forming applications.

    By FLSmidth KREBS based in Tucson, ARIZONA (USA).

  • Industrial wastewater treatment systems for plating wastewater treatment

    Plating Wastewater Treatment Application: Wastewater generated from chrome and nickel plating operations. Prior Treatment Method: Chrome and nickel streams were segregated because of characteristics. Chrome was reduced from hexavalent to trivalent state then combined with the nickel stream. The full stream was then precipitated via typical hydroxide precipitation methodology. Broad swings in the contaminate concentrations resulted in poor treatment and the facility was issued several NOVs.

    By Ecolotron, Inc. based in E. Dickinson, TEXAS (USA).

  • Water and Wastewater Equipment for Water & Wastewater Treatment

    For over 30 years, Water and Wastewater Equipment Company has been providing efficient, cost-effective and compliant solutions to water and wastewater treatment applications, all the way from small batch systems to continuous-flow systems treating 500,000 gallons per day. Our technical analysts and designers are experienced in every phase of wastewater treatment – from fabrication, installation and laboratory testing – to systems management.

    By Water & Wastewater Equipment Company (WWE) based in Cleveland, OHIO (USA).

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