Thermal Technologies > Combinations  
 

Thermal Technologies

TCH/ISTD & IPTD

SEE

ERH

    Combinations

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Combinations

Combining In Situ Thermal Remediation technologies provides an optimal solution for many sites.

Steam Enhanced Extraction (SEE) may be combined with either Electrical Resistance Heating (ERH), or with In Situ Thermal Desorption (ISTD). Together these combinations comprise a glove-fit design for sites with complex geologies (e.g., silty clay aquitards, and sandy or gravelly aquifers).

A combination of ISTD or ERH and SEE often addresses the entire target treatment zone (TTZ). At each well location, either a single full-length TCH heating element or one or more ERH electrodes is used along the depth interval of the low-permeability material, while steam is injected into wells screened in the permeable zones. Extraction wells exert hydraulic and pneumatic control.

Thermal Conduction Heating and Steam Enhanced Extraction
TCH - SEE
(Click to enlarge)
  ET-DSP and Steam Enhanced Extraction
ERH - SEE
(Click to enlarge)

 

 

 

 
   
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