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oxygen demand Applications

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    Biochemical Oxygen Demand (BOD) 5 Day Application Note

    The MANTECH PC-BOD is ideally suited for 5 day BOD analysis. Attached is an application note to illustrate the performance and trust for this important regulatory parameter.

    By MANTECH INC. based in Guelph, ONTARIO (CANADA).

  • Oxygen on-site generation systems for hospitals

    Demand for oxygen generators in the medical field is growing rapidly. Stricter international medical regulations is also putting a tougher demand on oxygen plants for flow, pressure and purity monitoring.

    By Oxymat A/S based in Helsinge, DENMARK.

  • 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).

  • Oxygen Generating Systems for Use with Ozone Generators

    Twice the output of air-fed systems . . . As customers demand more ozone for less capital investment, oxygen is quickly replacing air as the industry’s preferred feed gas. Ozone output normally doubles when 93% oxygen is fed into the corona discharge.

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

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    Wastewater treatment for the textile industry

    A reduction in the Biochemical Oxygen Demand BOD5, produced in the bleaching, washing and dying processes for textiles.

    By Toro Equipment S.L. based in La Cistérniga, SPAIN.

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    Petrochemical

    Durable regenerative thermal oxidizer (RTO) technology is at the core of our systems. MEGTEC designs and engineers system solutions to meet your special requirements, ranging from energy-efficient treatment of dilute volatile organic compound (VOC) flows, such as tank ventilation, to demanding applications utilizing VOC energy for secondary heat recovery; for example, in the form of process streams. This can include pre- and tail gas treatment systems, and could handle hazardous components such as sulphurous or chlorinated hydrocarbons. For special requirements, we can offer FTO (flameless thermal oxidation) and we can design systems operating safely on oxygen contents below 5%.

    By Babcock & Wilcox MEGTEC based in De Pere, WISCONSIN (USA).

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    Aeration and mixing technologies for fog removal

    Ideal for industrial applications, our Aire-O2 Microfloat Dispersed Air Flotation (DAF) System is an effective, affordable and reliable physical/chemical pre-treatment technology for removing up to 90% of fats, oil, and grease, 60% of total suspended solids, and 30% of Biochemical Oxygen Demand – all at a much lower cost than traditional DAF systems.

    By Aeration Industries International (AII) based in Chaska, MINNESOTA (USA).

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    Air pollution control for the ethanol/biodesel industry

    Renewable energy plants are expanding and developing at a significant rate in North America and throughout the world. In the United States, the Clean Air Act for reformulated gasoline (RFG) mandates a 2wt.% oxygen requirement, driving the demand for more production. Ethanol is the most viable additive because it is a clean-burning fuel produced from renewable, domestic biomass sources. However, the production of these fuels can result in unacceptable levels of volatile organic compounds (VOCs), carbon monoxide (CO), nitrogen oxides (NOx), particulate matter (PM) and hazardous air pollutants (HAPs), all regulated by environmental agencies.

    By Anguil Environmental Systems, Inc. based in Milwaukee, WISCONSIN (USA).

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    Biological waste water treatment plants solutions for brewing industry

    The brewing process generally generates unique, high-strength waste water as a by-product. The waste water typically has a high concentration of Biological Oxygen Demand (BOD) form the carbohydrates and protein used in brewing beer. Brewery waste water usually has a temperature of > 25 °C.

    By HydroThane STP BV based in KC `s Hertogenbosch, NETHERLANDS.

  • Industrial wastewater treatment for industries

    MIOX is the lowest cost supplier of chlorine for disinfection and oxidation of wastewater prior to discharge. Mixed Oxidant Solution (MOS) chemistry is more effective at biofilm control, Biochemical and Chemical oxygen demand removal (BOD/COD), breakpoint chlorination of ammonia and hydrogen sulfide (H2S) removal.

    By MIOX Corporation based in Albuquerque, NEW MEXICO (USA).

  • COD Reduction

    Chemical Oxygen Demand (COD) is used as a measure of organic pollutants in water. In wastewater treatment, it indicates the efficacy of a treatment process and is expressed in milligrams per litre (mg/L) or parts per million (ppm). Removing certain fractions of COD in waste streams can be particularly challenging, especially to levels safe for discharge to the environment.

    By Arvia Technology based in Runcorn, UNITED KINGDOM.

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    Wastewater solutions for the industrial effluent pollution management

    Problem: Industrial manufacturers face stringent regulations for discharging wastewater to the environment and municipal sewer systems. Biochemical Oxygen Demand (BOD) is a primary concern for many discharge limits, as wastewaters high in BOD can have adverse impacts on the aquatic environments by leading to oxygen depletion. In some cases, as a means to supplement BOD, it is also desirable to monitor chemical oxygen demand (COD) of industrial effluents. Both of these tests, are time and labour intensive reducing the frequency at which they can be measured for a given effluent.

    By Real Tech Inc. based in Whitby, ONTARIO (CANADA).

  • TOC Correlation to BOD or COD

    Challenge: Biochemical Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) are traditional parameters analyzed in the laboratory to determine organic matter in water and wastewater. Wastewater facility operators need to have constant data to monitor their discharges and optimize treatment processes (biological treatment, chemical dosing, etc). The requirements of BOD and COD analysis prevent them from being implemented as control parameters, however. The BOD five-day analysis time requirement does not allow an operator to use the data for process optimization and. although COD requires less time than the BOD, its analysis includes the use of hazardous chemicals and has no constant analysis capability.

    By GE Analytical Instruments based in Boulder, COLORADO (USA).

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