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Large-Scale In-Situ Thermal Remediation of Former Steel and Coking Plant Contamination for Olympic Redevelopment

More than 44,000 m³ of soils contaminated with hydrocarbons, PAHs, BTEX, and NSO heterocycles were successfully remediated using In-Situ Thermal Desorption, supporting the transformation of a former steel and coking facility into a public park for the 2022 Olympic Games.

SITE DESCRIPTION

       Treated Volume

  22,000 m³ of contaminated soil

          Thermal technology

   In-Situ Treatment 

       Main contaminant

NSO heterocycles, PAH, BTEX, NPP

        Site challenges

    Completing the remediation phase in less than one year,  Operating a very large number of heating units simultaneously.  

        Project Timeline

2018




SOLUTION

          Treatment Method

In-Situ treatment using 1,600 heating tubes 

          Treatment program

  Pilot treatment of 100 m² 
Full scale  32,900 m²  

         Contaminated Vapors Management

Reburn 

       Process control

Continuous temperature monitoring into the soil throughout the treatment



RESULTS

✅        Successfully remediated 44,975 m³

✅        Treatment time : less than 12 months

✅        Demonstrated the effectiveness of ISTD for large-scale ​




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