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Brushy Creek Mine Wastewater Treatment Facility

  • Client:Doe Run Company
  • Location:Viburnum, Missouri
  • Contract Amount:$7,800,000
  • Project Size:3.75 MGD
  • Contract Type:Design-Build
  • Engineer:Woodard & Curran

​CAS constructed a new 3.75 MGD water treatment plant at Doe Run’s Brushy Creek Mine. The project helps Doe Run to meet new EPA regulations.

 
The facility uses a ballasted flocculation process, which uses a combination of chemical treatment and the mineral magnetite to remove heavy metals and other contaminates from the mining wastewater and tailings pond water.
 
The project includes the construction of a 4,700 SF main treatment building and a 35’ diameter clarifier. CAS installed five chemical feed systems and associated storage tanks, six top mount tank mixers, a compressed air system, magnetite feed and separation system, sludge processing system and storage tank, multiple pumps, and electrical controls equipment.
 
As is the case on all CAS projects, safety was a primary concern. Because the project took place on a mining site, CAS worked under the authority of MSHA. The project team met MSHA’s high safety standards, and experienced zero injuries.

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