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Content archived on 2024-05-14

In situ bioremediation of soil contaminated with chlorinated ethenes and nickel, demonstration of cleanup by an aerobic bacteria

Objective



Chlorinated aliphatic organics are a group of serious pollutants in most European countries. They eventually end up in sources for drinking water, hence threatening human and animal health.
Microbial bioremediation is currently being proposed as a cost effective, relatively easy to implement and safe technology which potentially may lead to complete removal of such chlorinated compounds. But successful implementation at real world scale in the soil is an absolute requirement to convince environmental authorities and engineering companies that the biotechnological approach is a cost-effective, non-disruptive, low risk, low energy demanding and relatively simple approach to solving a pollution problem which has reached human health threatening dimensions. For this reason demonstration of the practical and economic feasibility of a full-scale in situ bioremediation is necessary now. Only then it may be expected that the enormous market of in situ soil bioremediation, worth billions of ECUs, will be opened up by commercial enterprises and governmental institutions.
The primary goal of this project is to demonstrate that: a onestep anoxic in situ bioremediation is at present the best solution for cleanup of a soil contaminated with chloroethenes together with a high level of metals (i.e. nickel in this case).
To achieve the goal of this demonstration project the following objectives have been set: - To implement and monitor the process of dechlorination and metal immobilization at full scale and, for more detailed analysis of required adjustments, on a large pilot-scale - To adjust and optimize the in si tu conditions and microbial communities to obtain an optimal rate of complete dechlorination and metal immobilization - To evaluate the project and to inform authorities and companies by a regularl throughout the duration of the project and by organizing a European workshop shortly after the project has finished.

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Coordinator

UNIVERSITY OF GRONINGEN
EU contribution
No data
Address
30,Kerklaan 30
9751 NN HAREN GN
Netherlands

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Total cost

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Participants (5)

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