In situ bubbling (sparging)
Inject air into the water of the aquifer to extract the dissolved pollutants; is coupled with a venting to avoid pushing the pollutant to the atmosphere.
Thanks to its technical expertise in asbestos and lead removal and soil remediation, but also in the recovery of waste and industrial effluents, VALGO masters a whole range of innovative treatments to meet your remediation and decontamination needs.
Regarding asbestos removal, VALGO has proven expertise in traditional techniques to remove asbestos from buildings and also offers innovative techniques for treating asbestos soils, for example.
For your soil and groundwater remediation operations, you can count on the rich experience of more than 3,000 remediation projects operated by VALGO, whose engineers always favor in situ techniques in order to limit the carbon footprint of these operations. When in-situ treatment is not possible, VALGO chooses the best soil contamination treatment methods like cleaning the polluted soil on site or excavating it directly for treatment or storage outside the construction site, always choosing its partners carefully.
This technical expertise gives VALGO a particularly detailed knowledge and experience enabling it to provide you with optimal solutions for depollution, asbestos and lead removal, combining performance, cost control and environmental protection.