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sludge odor control Applications

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    Odor Control in Sludge

    By The Definitive Deodorant Company based in North Kansas City, MISSOURI (USA).

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    Odor control for refining/petroleum

    You refine the fuel, we’ll remove the odors. Oil refineries and petrochemical plants may generate large volumes of odor from the processing and refining of different fuels. Sulfides, mercaptans, and hydrocarbon compounds are all closely related to the oil industry. The odors generated from these industrial compounds are of a high nuisance value and generally create concern among local air boards and the public. Ecosorb odor removal products may be used in a variety of areas around the refinery including water treatment facilities, sludge ponds, sulfur recovery units, and API separators. To remove odors during tank cleaning and maintenance operations, portable dispersion systems can be used in the immediate work area to control malodors. Ecosorb products can be directly injected into flues and stacks and may be used as a substitute scrubbing solution in some applications.

    By OMI Industries (OMI) based in Long Grove, ILLINOIS (USA).

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    Odors control for solid waste

    A solid solution for solid waste odors. All areas of solid waste handling are, by nature, odorous affairs. Municipal sludge, municipal solid waste, landfills, composting and co-composting facilities all generate odors that can be offensive to workers and the community at large. The process is a complex one, with multiple drops, collections, transfers and sortings of recyclable and non-recyclable material. Combustible materials are then incinerated for energy production.

    By OMI Industries (OMI) based in Long Grove, ILLINOIS (USA).

  • 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).

  • Oxygen Generating Systems for Sewage Treatment

    Using Oxygen to Solve Waste Water Problems Lack of oxygen can cause inadequate purification or even anaerobic decomposition, as well as offensive odors. Injecting oxygen into sludge beds &/or piping allows you to: * Reduce nitrogen levels * Meet peak O2 demands * Have a back up to your aeration system * Pre-purify waste water * Control odors * Deter corrosion damage * Meet increased requirements regarding waste water purification

    By Oxygen Generating Systems Intl. (OGSI) based in North Tonawanda, NEW YORK (USA).

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