Pharmaceutical production: Contamination with organic solvents

In the course of pharmaceutical production the soil and groundwater was contaminated with organic solvents in the surroundings of tanks and the factory building.

Project description

The contaminated area altogether covers 7000 m2.

Technology: Soil vapor extraction (in-situ), groundwater pumping and stripping

Project Status: In progress

Media (quantity in m3)
Soil : 21000
Groundwater: 15000

Project Manager: Mihály Frisch

Date of Operation: 1999-

Cleanup Goals:
In soil-gas aromatic hydrocarbons 50 mg/m3, chlorinated hydrocarbons 10 mg/m3 alcohols, esthers and ketones 100 mg/m3
In groundwater: BTEX 100 µg/l, chlorobenzenes 30 µg/l, aliphatic chlorinated hydrocarbons 100 µg/l, methanol 10 µg/l

Contaminant concentration before treatment:
In soil gas: aromatic hydrocarbons 2600 mg/m3, chlorinated hydrocarbons 1100 mg/ m3, other solvents 5000-7000 mg/m3 in soil gas.
In groundwater: BTEX 10000-30000 µg/l, methanol 100-300 µg/l, acetone 100-500 µg/l
aliphatic chlorinated hydrocarbons 100-300 µg/l