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control industrial wastewater odor Applications

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    Odor control for wastewater treatment processes

    Natural odor control for wastewater treatment processes. Industrial and municipal wastewater treatment generates odors that can be strong, persistent, and a nuisance to employees, residents, businesses, and industries located near the wastewater treatment plant.

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

  • Odor control solutions for wastewater industry

    Municipal wastewater treatment plants (wwtp) provide an essential community service that is vital for the protection of public health and the environment in which we live. Without affordable wastewater services, the quality of life within a community or municipality can be drastically diminished. Most cities, towns and communities in the US and Cananda provide wastewater treatment services, unfortunately these services and plants come with many undesirable off gasses and odors. There are a number of challenges that currently face the wastewater treatment industry including, global urban population growth, more stringent discharge regulations for industries, and demand for water conservation through wastewater reuse.

    By Ecolo Odor Control Technologies based in Toronto, ONTARIO (CANADA).

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    Odor control for food processing

    Safely Eliminate Odors Created By Food Processing: Malodors generated by the food processing industry vary enormously since they can be generated in the production, processing, and wastewater treatment areas of the plant. Regardless of the source, all of these odors may be offensive to the public.

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

  • Chlorine dioxide for municipal wastewater treatment industry

    Wastewater Deodorization: The formation of hydrogen sulfide often poses a problem for municipal wastewater treatment.  Chlorine dioxide, a powerful oxidant, can be effectively used to control noxious, irritating, or pungent odors from many operations.  Moreover, its unique selective properties permit more efficient application at a lower dosage and cost than chorine, hypochlorite, permanganate peroxide or ozone.

    By DuPont Chlorine Dioxide based in North Kingstown,, RHODE ISLAND (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).

  • Activated carbons for air and gas industry

    Carbon Activated Corp. supplies carbon and related services to various vapor phase applications such as odor control in municipal waste-water facilities, landfills and refineries, SVE (soil vapor extraction) projects and many other vapor related applications. We manufacture specialized carbon both impregnated and non-impregnated for applications such as H2S removal and the removal of any time of noxious gases.

    By Carbon Activated Corporation based in Compton, CALIFORNIA (USA).

  • Sulfide Oxidation with Hydrogen Peroxide (H2O2)

    Sulfide Odor Control Sulfide is found throughout the environment as a result of both natural and industrial processes. Most sulfide found in nature was produced biologically (under anaerobic conditions) and occurs as free hydrogen sulfide (H2S) - characterized by its rotten egg odor. We are most likely to encounter biogenic H2S in sour groundwaters, swamps and marshes, natural gas deposits, and sewage collection/treatment systems. Manmade sources of H2S typically occur as a result of natural materials containing sulfur (e.g., coal, gas and oil) being refined into industrial products. For a variety of reasons - aesthetics (odor control), health (toxicity), ecological (oxygen depletion in receiving waters), and economic (corrosion of equipment and infrastructure) - sulfide laden wastewaters must be handled carefully and remediated before they can be released to the environment. Typical discharge limits for sulfide are < 1 mg/L. Sulfide Treatment Alternatives There are dozens of alternatives for treating sulfide laden waters, ranging from simple air stripping (for the low levels present in groundwaters) to elaborate sulfur recovery plants (used to treat several tons per day at refineries and coal burning power plants). There are processes based on biology (using compost filters, scrubbing media, or inhibition/disinfection), chemistry (oxidation, precipitation, absorption, and combination), and physics (adsorption, volatilization, and incineration). Each process occupies a niche which is often defined by the scale and continuity of treatment, whether the sulfide is in solution or is a gas, the concentration of sulfide involved, and the disposition of the sulfide containing medium. However, for reasons relating to convenience and flexibility, chemical oxidation (using hydrogen peroxide) continues to grow in its scope of application. Treatment with Hydrogen Peroxide While other peroxygens such as permonosulfuric (Caro’s) acid, peracetic acid, and persulfates will oxidize sulfide, their use for this application is overkill. Hydrogen peroxide (H2O2) is considerably simpler and more cost-effective. H2O2 may control sulfides in two ways, depending on the application: Prevention - by providing dissolved oxygen which inhibits the septic conditions which lead to biological sulfide formation; and Destruction - by oxidizing sulfide to elemental sulfur or sulfate ion.

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

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