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  2. Composite overwrapped pressure vessel - Wikipedia

    en.wikipedia.org/wiki/Composite_overwrapped...

    The unit is pressurized and the liner expands and plastically (permanently) deforms, resulting in a permanent volume increase. The pressure is then relieved and the liner contracts a small amount, being loaded in compression by the overwrap at near its compressive yield point. This residual strain improves cycle life.

  3. Imhoff tank - Wikipedia

    en.wikipedia.org/wiki/Imhoff_tank

    Typically, well-designed and operated Imhoff tanks are expected to remove suspended solids with an efficiency between 50-70%. [4] Effluent coming out from Imhoff tanks can be either discharged in the environment, sent to a centralized wastewater treatment facility, or sent to constructed wetlands for disinfection and nutrient removal.

  4. Sedimentation (water treatment) - Wikipedia

    en.wikipedia.org/.../Sedimentation_(water_treatment)

    The settling velocity, defined as the residence time taken for the particles to settle in the tank, enables the calculation of tank volume. Precise design and operation of a sedimentation tank is of high importance in order to keep the amount of sediment entering the diversion system to a minimum threshold by maintaining the transport system ...

  5. Sequencing batch reactor - Wikipedia

    en.wikipedia.org/wiki/Sequencing_batch_reactor

    The tanks have a “flow through” system, with raw wastewater (influent) coming in at one end and treated water (effluent) flowing out the other. In systems with multiple tanks, while one tank is in settle/decant mode the other is aerating and filling. In some systems, tanks contain a section known as the bio-selector, which consists of a ...

  6. Rotating biological contactor - Wikipedia

    en.wikipedia.org/wiki/Rotating_biological_contactor

    The degree of wastewater treatment is related to the amount of media surface area and the quality and volume of the inflowing wastewater. RBC's regularly achieve the following effluent parameters for treated waste water: BOD5: 20 mg/L, Suspended Solids: 30 mg/L and Ammonia N: 20 mg/L.

  7. Aerated lagoon - Wikipedia

    en.wikipedia.org/wiki/Aerated_lagoon

    There are two main types of submerged diffused aeration systems for lagoon applications: floating lateral and submerged lateral. Both these systems utilize fine or medium bubble diffusers to provide aeration and mixing to the process water. The diffusers can be suspended slightly above the lagoon floor or may rest on the bottom.

  8. Industrial wastewater treatment - Wikipedia

    en.wikipedia.org/.../Industrial_wastewater_treatment

    Brine treatment systems are typically optimized to either reduce the volume of the final discharge for more economic disposal (as disposal costs are often based on volume) or maximize the recovery of fresh water or salts. Brine treatment systems may also be optimized to reduce electricity consumption, chemical usage, or physical footprint.

  9. Aerobic treatment system - Wikipedia

    en.wikipedia.org/wiki/Aerobic_treatment_system

    The aeration stage and the disinfecting stage are the primary differences from a traditional septic system; in fact, an aerobic treatment system can be used as a secondary treatment for septic tank effluent. [1] These stages increase the initial cost of the aerobic system, and also the maintenance requirements over the passive septic system.