BioMicrobics, Inc.

- Model DV-Series - Wastewater Treatment System

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The DV-Series - For larger crews, these flexible designs offer the ultimate in strength, corrosion resistance and performance. They are available in bolt-together modular form for installation aboard existing vessels, such as ferries, off-shore platforms and ore carriers. Advanced Wastewater Treatment Systems are rapidly becoming the standard type of treatment system on cruise ships. These systems typically consist of a multi-stage treatment process that includes filtration, biological treatment, and disinfection of wastewater prior to discharge.

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Designed for larger commercial vessels and offshore structures, the MarineFAST DV-Series HS-MSD (high strength marine sanitation devices) Systems is completely assembled, wired and tested on its own foundation. The unique design provides the greatest possible flexibility in locating and installing the system aboard ship. This flexible design offers the ultimate in strength, corrosion resistance and performance. Available in bolt-together modular form for installation aboard existing vessels, such as ferries, off-shore platforms and ore carriers.

  • Flow range: 990-20,000 GPD (3700-75700 LPD)
  • Ideal for medium to large crew sizes

MarineFAST Systems are commonly referred to as a Type II (two) MSD biological (aerobic digestion) treatment system. The Type II MSD systems are powerful, flow-through discharge devices and tested in conditions described in 33 CFR 159.121. MarineFAST Marine Sewage Treatment Marine and offshore sewage treatment systems built to handle extreme environments. All MarineFAST (Fixed Activated Sludge Treatment) units are fully certified by US Coast Guard under U.S. and IMO regulations.

  1. Sewage enters the system. No need for a macerator or bar screen to clean or repair.
  2. Quiet, compact BLOWER provides air through the piping system that connects to the airlift inside the media tank.
  3. Aeration through the AIRLIFT circulates and aerates the tank contents to promote microorganisms present in sewage to grow and become fixed on Media to digest organic material. Media does not require replacement or cleaning.
  4. From center line SPILLOVER pipe, treated effluent passes through TABLET CHLORINATOR and dissolves chlorine tablet proportional to the flow rate. Other disinfection methods are available.
  5. Sized for peak flow periods, the Chlorine Contact Tank or WETWELL provides the chlorine enough time to disinfect treated effluent prior to discharge. Automatic Float Switches (shown in yellow) located in the center line of the tank gauge water levels for on/off operation.
  6. A submerged EFFLUENT PUMP in the wetwell transfers the treated effluent to discharge out of the tank. Other transfer options available.

  • USCG 33CFR159 – Minimum 33CFR159 / MEPC.2(VI) standards for 150 TSS, 200 fecal, certified by U.S. Coast Guard installed aboard vessels and not subject to effluent sampling in service not required by regulations.
  • MARPOL 2010 – 25 BOD5, 35 TSS, 125 COD, 100 fecal effluent for USCG certified units and recommended for general marine use with 2 months internal sludge storage and dechlorination of effluent. Secondary treatment may be required for restricted waters, barges meeting local or harbor regulations, and offshore applications that are subject to state or other regulations.
  • USEPA Secondary Treatment – Applications requiring 85% removal, 30 BOD5, 30 TSS secondary treatment, 3 months internal sludge storage, and derate by 10% for dilute sewage.

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