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2. Membrane bioreactor - Wikipedia

   en.wikipedia.org/wiki/Membrane_bioreactor

   The energy demand of the submerged system can be up to 2 orders of magnitude lower than that of the side stream systems and submerged systems operate at a lower flux, demanding more membrane area. In submerged configurations, aeration is considered as one of the major parameters in process performance both hydraulic and biological.

3. Flytown - Wikipedia

   en.wikipedia.org/wiki/Flytown

   Working his way up to engineer, he eventually became superintendent of the Columbus City Water Works, dedicating much of his life to the city's water system. He would collaborate with the construction of the Columbus Experiment , at the time a revolutionary environmental project and one of the largest water plants built in the United States. [ 8 ]

4. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

5. O'Shaughnessy Dam (Ohio) - Wikipedia

   en.wikipedia.org/wiki/O'Shaughnessy_Dam_(Ohio)

   The O'Shaughnessy Dam is located on the Scioto River near Dublin, Ohio, United States. The dam forms O'Shaughnessy Reservoir, which is a major source of drinking water for the city of Columbus . It was completed in 1925 following recommendations of then superintendent Jerry O'Shaughnessy (for whom the dam was named).

6. Moving bed biofilm reactor - Wikipedia

   en.wikipedia.org/wiki/Moving_Bed_Biofilm_Reactor

   The most preferable material is currently high density polyethylene (HDPE) due to its plasticity, density, and durability. [ citation needed ] To achieve higher concentration of biomass in the bioreactors, hybrid MBBR systems have been used where suspended and attached biomass co-exist contributing both to biological processes. [ 6 ]

7. Biosand filter - Wikipedia

   en.wikipedia.org/wiki/BioSand_Filter

   The high water level (hydraulic head) in the inlet reservoir zone pushes the water through the diffuser and filter, then decreases as water flows evenly through the sand. The flow rate slows because there is less pressure to force the water through the filter. The inlet water contains dissolved oxygen, nutrients, and contaminants.

8. Nanotechnology for water purification - Wikipedia

   en.wikipedia.org/wiki/Nanotechnology_for_water...

   For better water purification or treatment processes nanotechnology is preferred. Many different types of nanomaterials or nanoparticles are used in water treatment processes. Nanotechnology is useful in regards to remediation, desalination, filtration, purification and water treatment.

9. Biofilter - Wikipedia

   en.wikipedia.org/wiki/Biofilter

   Media irrigation water, although many systems recycle part of it to reduce operating costs, has a moderately high biochemical oxygen demand (BOD) and may require treatment before disposal. However, this "blowdown water", necessary for proper maintenance of any bio-oxidation system, is generally accepted by municipal publicly owned treatment ...