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refinery wastewater treatment Applications

  • Effluent wastewater treatment for refineries

    Aquatech has experience working with refinery effluent pollutants in the refinery market and offers the advanced petroleum wastewater treatment and recovery technology necessary for the refinery’s needs.

    By Aquatech International Corporation based in Canonsburg, PENNSYLVANIA (USA).

  • Reduced Sulfur Compound Treatment for Refinery Wastewater

    Sulfur compounds, such as hydrogen sulfide, thiosulfates and mercaptans, can present serious refinery wastewater problems. Hydrogen peroxide treatment is a cost effective way to treat these reduced sulfur species.

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

  • Petrochemical Waste Degradation

    Waste Water Treatment Plants, Landfill Leachates, Refinery Lagoons, Degreasing and Land remediation.

    By Cleveland Biotech Ltd. based in Stockton on Tees, UNITED KINGDOM.

  • Premium

    Water disinfection for the oil and gas industry

    Oil and gas companies, whether in coastal or offshore settings, use water in various stages of production and for drinking and sanitary purposes. Process water, feed water and wastewater requires disinfection and filtration treatment prior to use, reclamination or discharge. De Nora Water Technologies has been providing water and wastewater treatment solutions to the oil and gas markets for more than 25 years.

    By De Nora Water Technologies based in Colmar, PENNSYLVANIA (USA).

  • Evaporators technology for oil & gas industry

    The oil & gas industry faces water and wastewater treatment specific challenges. EVALED evaporators represent an effective solution for both downstream (onshore and offshore) and upstream plants, allowing ZLD (Zero Liquid Discharge).

    By EVALED - Veolia Water Technologies based in Zoppola (PN), ITALY.

  • Microbial formulations for industrial sector

    MICROCAT microbial formulations from Bioscience, Inc., are blends of specialized, naturally occurring microbes and other ingredients that work together to solve the problems associated with wastewater treatment from heavy process industries. By augmenting existing microbial populations, MICROCAT products naturally enhance the biodegradation of wastewater from refineries, pulp mills, chemical plants, steel mills and textile plants. When properly applied as recommended by Bioscience’s team of seasoned professionals, MICROCAT bioaugmentation formulas can result in more stable and efficient wastewater treatment plant operation and better overall effluent quality for their difficult-to-treat wastewaters.

    By Bioscience, Inc. based in Allentown, PENNSYLVANIA (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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