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Spartan Chemical
Wyoming, MI

 


Client:

Michigan Dept. of Environmental Quality

Packed Tower and Process Trailer at Spartan Chemical Company Superfund Site

    

The primary purpose of this project was to remediate a TCE /DCE DNAPL hot spot at the site. The volume treated encompassed an area of over 1000 square feet. Surfactants were flushed through the contaminated soil and residual oil solubilized from beneath the existing tank. A total of 70 gallons of DNAPL was recovered with an estimated removal efficiency of 98%. Fluids were flushed through the aquifer for 1 month.

 

 TASKS

 
  • Targeted the removal of a complex NAPL, which primarily consisted of ketones and methylene chloride. Other NAPL constituents included TCE, PCE, and toluene.
  • Aquifer consisted of coarse sand and the contamination was most concentrated at the base of the aquifer (90 ft deep).
  • Designed and applied surfactant enhanced DNAPL removal at the site
  • Designed, built and utilized full-scale mobile process equipment for treatment produced fluids which processed fluids at a rate of 30 gpm (refer to figure).
  • Showed contaminant reduction in groundwater.
  • Effectively operated liquid-liquid extraction unit for contaminant removal prior to discharge to wastewater treatment plant. It was also demonstrated that the system would operate effectively without foam production.
  • Showed the economics of the process were less than $85 per cubic yard which is 1/3 the cost of pump and treat at the site.