Pilot-Scale In-Situ Thermal Desorption of Chlorobenzene-Contaminated Soils in Shanghai

Approximately 340 m³ of soils contaminated with chlorobenzenes, nitrobenzene, and aniline were successfully remediated through a pilot-scale In-Situ Thermal Desorption project, demonstrating effective contaminant removal despite challenging groundwater conditions.

SITE DESCRIPTION

Treated Volume	340 m³ of contaminated soil
Thermal technology	In-Situ Treatment
Main contaminant	Chlorobenzene Dichlorobenzene Nitrobenzene Aniline
Site challenges	Managing groundwater without active pumping
Project Timeline	2017

SOLUTION

Treatment Method	In-Situ treatment of a 25 m² area
Treatment program	Target temperature 150°C for 34 days at 14m depth
Contaminated Vapors Management	Vapor treatment unit
Process control	Continuous temperature monitoring into the soil throughout the treatment