Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Destruction of hazardous or toxic waste
Patent
1991-08-15
1992-07-28
McMahon, Timothy M.
Chemistry: molecular biology and microbiology
Process of utilizing an enzyme or micro-organism to destroy...
Destruction of hazardous or toxic waste
210150, 210151, 210170, 210605, 210615, 210617, 210760, 210783, 210901, 435264, 435281, C02F 304
Patent
active
051340780
ABSTRACT:
In order to remove underground contamination, it has already been disclosed either to replace the soil, to wash the soil, to draw off the soil air or to carry out ground water desorption. All these processes are very complex and cost intensive. In particular, they do not provide a final solution to the problem, but instead merely move the problem, since the substances removed from the water to be purified are retained and must accordingly be stored safely, for example in waste dumps. The invention is an improved process and plant of this type which is simple and inexpensive to carry out and fully degrades the substances removed from the (ground) water. The object of the invention is achieved by, on the one hand, flushing through the soil, in particular its contaminated zone (17), and, in addition, biologically purifying the (ground) water. The process and the plant are particularly suitable for removing underground water contamination by hydrocarbons on old industrial sites.
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Mevius Walter
Sieksmeyer Rolf
McMahon Timothy M.
Norddeutsch Seekabelwerke Aktiengesellschaft
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