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Biosolids Applications

  • Wastewater treatment solution for the municipal industries

    Visit any large wastewater treatment plant in the United States or Canada and chances are Schwing Bioset equipment, whether piston pumps or sliding frames, is handling the dewatered biosolids. As with our biosolids handling equipment, our selection of Class `A` processes afford Municipalities best-in-class options when it comes to reliability, safety, ease of operation, consistent results, and affordability.

    By Schwing Bioset, Inc. based in Somerset, WISCONSIN (USA).

  • Lime and Limestone solutions for water treatment industry

    The world’s surface is slightly over 70% water with billions of gallons of surface water and ground water used daily in society. Whether it is for drinking, hygiene, washing, cooking, recreation, agriculture, or power generation and industrial coolants, water is an undeniable source of life.

    By Carmeuse Lime based in Pittsburgh, PENNSYLVANIA (USA).

  • Enhanced Biosolids and Bio Sludge Dewatering with Wilsa EWC

    IMPROVED BIOSOLIDS/ BIO SLUDGE DEWATERING WITH WILSA® CONDITIONING The WILSA ElectroWave™ effect can be used to condition polar fluids to alter their physical properties, improving several chemical and physical processes. - Reducing surface tension to improve the ability of water to repel solids - break physical / chemical emulsions - Increasing the contact angle of water - improve coalescing of solid particulate toaccelerate phase separation - Lowering the viscosity of water - reduce friction of flocculated solids dropping through less viscous water - Lower viscosity, reduced surface tension and increased contact angle of water - improve aeration of wastewater Installation of WILSA® ElectroWave Conditioner upstream of a belt press at a wastewater treatment plant resulted in polymer usage dropping by >50% while achieving much dryer solids.

    By Hudson Industries based in Vienna, OHIO (USA).

  • Premium

    Industrial Solution for petrochemical, oil & fertilizer

    Refineries and chemical plants increasingly face stringent environmental regulations in today’s industry while also consistently attempting to maximize output efficiency. Macrotek offers customized scrubbing technology designs to meet each unique refining application. An experienced engineering team and proven emission control technologies make Macrotek ideal for the extensive scope of refining processes.

    By Macrotek Inc. based in Markham, ONTARIO (CANADA).

  • 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).

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