Aerator retrofit enables city to meet nitrogen limits - Case Study

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• Pump and mixer team to treat wastewater - Case Study

  Sep. 12, 2019

  ProblemServing 11,000 residents, the Stafford (Conn.) Water Pollution Control Facility needed an upgrade.SolutionTo improve maintenance and equipment service life, plant personnel installed six 1.8 hp Landia mixers in the anoxic tanks as part of a new activated sludge process. Three 2.4 hp Landia axial flow pumps were added to the aeration basins to return nitrified mixed liquor to the anoxic tanks for denitrification. “Landia sent one of their skilled engineers to show our maintenance staff how to look...

• DO2E Algae Monroeville, Alabama - Case Study

  Jan. 16, 2019

  Problem: The city of Monroeville, Alabama, had aeration and mixing issues, a sludge build-up, and an algae problem in their sewage lagoon. This was the result of a decrease in the wastewater influent of 90% from a recently lost (shipped overseas) garment manufacturing facility the loss of which filled the sewage lagoon 80% with an increased biosolid loading.Solution: DO2E provided two (2) 5 horsepower floating aerators and two (2) 3 horsepower floating mixers (suspended shearing digesters/aerators).Results: With...

• Aerators solve buildup and algae issues on lagoon - Case Study

  Jan. 16, 2019

  Problem The City of Monroeville, Alabama, had aeration and mixing issues, a biosolids buildup and an algae problem in the sewage lagoon. This resulted from a 90 percent decrease in influent after closure of a garment manufacturing facility.Solution DO2E Waste Water Treatment provided two 5 hp floating aerators and two 3 hp floating mixers (suspended shearing digesters/aerators). The sludge buildup cleared almost immediately; in one week the algae had been removed from the treated part of the lagoon.Result From...

• Fats, Oils & Grease - Dothan, Alabama - Case Study

  Mar. 3, 2016

  F.O.G. Removal in the Collection SystemBy pre-treatment DO;E Little John Digesters reduce F.O.G. deposits by 73.4%.PROBLEM:The City of Dothan, Alabama, faces the same issues that almost all municipalities are attempting to solve, that is, the removal of F.O.G. deposits and preventing its recurrence from "clogging up" their treatment systems.One of Dothan`s major issues personnel faced at their Omussee Wastewater Treatment Plant was excessive F.O.G. (grease) deposits in the waste stream they were sending to their...

• DO2E digester with hybrid ozone applied

  Aug. 6, 2012

  In an earlier document, I put forth a rationale for treatment of waste streams using our DO2E digesters and even mentioned the Aerators in passing. Let us concentrate our efforts with respect to ozone, especially with the Digesters, to three application areas: grease traps, selected lift stations, and down line treatment areas such as polishing ponds and effluvia of various sorts.The DO2E digester process actually converts these collection basins into pretreatment tanks more so effectively when Hybrid Ozone is...

• DO2E patent aeration technology for environmental remediations

  Jun. 10, 2012

  Abstract:This is an introduction to the DO2E Patented Advanced Aeration technology. Perhaps the most technological advavancment in aeration in over 70 years. We will discus how this technology works along with a variety of applications including: environmental remediations, polishing ponds for municipal and industrial sites. The unique advantages of this patented technology are examined at length.