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  2. Estimate for wastewater treatment plant increases almost $13 ...

    www.aol.com/news/estimate-wastewater-treatment...

    Oct. 25—Estimates for Albert Lea's new wastewater treatment plant have jumped to $72.69 million, a result of inflation, the consultant hired to lead the project said in an update Monday to the ...

  3. Riviera water treatment plant estimates explode to $300 ... - AOL

    www.aol.com/riviera-water-treatment-plant...

    Now, though, with $300 million or more needed for a new water treatment plant, some residents are wondering if it was the right move to pass those bond referenda, which will cost homeowners about ...

  4. Extended aeration - Wikipedia

    en.wikipedia.org/wiki/Extended_aeration

    Extended aeration is typically used in prefabricated "package plants" intended to minimize design costs for waste disposal from small communities, tourist facilities, or schools. In comparison to traditional activated sludge, longer mixing time with aged sludge offers a stable biological ecosystem better adapted for effectively treating waste ...

  5. Activated sludge - Wikipedia

    en.wikipedia.org/wiki/Activated_sludge

    Activated sludge tank at Beckton sewage treatment plant, UK.The white bubbles are due to the diffused air aeration system. The activated sludge process is a type of biological wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria and protozoa.

  6. International Boundary Wastewater Treatment Plant - Wikipedia

    en.wikipedia.org/wiki/International_Boundary...

    [6] [3] The project cost the U.S. a total of $239 million [7] initially, and the addition of secondary treatment technology that helped meet regulations so the water could flow to the U.S. side of the border cost an additional $18 million. The treatment plant supports a daily flow of 25 million gallons of raw sewage per day.

  7. Onsite sewage facility - Wikipedia

    en.wikipedia.org/wiki/Onsite_sewage_facility

    OSSFs account for approximately 25% of all domestic wastewater treatment in the US. Onsite sewage facilities may also be based on small-scale aerobic and biofilter units, membrane bioreactors or sequencing batch reactors. These can be thought of as scaled down versions of municipal sewage treatment plants, and are also known as "package plants ...