Case Study - IN COLLABORATION WITH NAPLES UNIVERSITY (UNIVERSITÀ FEDERICO II DI NAPOLI)
BIOSOILWASHING FOR METAL CONTAMINATED SOIL BIOREMEDIATION
BioSoilWashing – Natural surfactants are used to wash the contaminants off from soil
The Site of National Interest (SIN, Sito di Interesse Nazionale ) Brescia-Caffaro is a dreaded industrial area in the Lombardy region heavily contaminated with metals and other pollutants.
Biosearch Ambiente, in joint venture with CERMANU, a research institute for the environment lead by Professor Alessandro Piccolo of Università Federico II of Naples, has conducted a sperimentation test aiming to the remediation of the area.
The experiment simulates a BIOSOILWASHING field intervention that would require a cycle of soil excavation (up to 1 meter deep) and treatment by mixing with an aqueous solution containing natural surfactants; the liquid fraction resulting after washing, containing the pollutants complexed to the washing solution, is sent for purification, while the clean solid fraction is returned to the field.