Bioremédiation
The bioremediation is a whole of techniques consisting in increasing the biological breakdown or the Biotransformation, by inoculating specific Micro-organisme S (bioaugmentation) or by stimulating the activity of indigenous microbial populations (Biostimulation) per contribution of Nutriment S and by adjustment of the conditions of Milieu (potential of oxydoreduction, moisture). The goal is to fight against pollution.
The bacterium which absorbs nitrates
The bacterium Pseudomonas halodenitrificans makes its treat of nitrates. The latter, appreciated in agriculture in the form of manure, become a threat for water quality when they are widespread in the environment. The bacterium is able to breathe to use nitrates which it transforms by reduction into molecular nitrogen, inert gas element, which turns over in the atmosphere and any more danger of pollution does not present. This capacity to reduce molecular nitrogen nitrates (denitrification) is very widespread in the bacteria. It is implemented in the purification plants to eliminate nitrogen from waste water after a stage of nitrification of organic and ammoniacal nitrate nitrogen.
Micro-organisms against the bad smells
They are able to eliminate the simple or made up effluents gas organic volatile (COV): solvents, compounds sulfur and nitrogenized, aldehydes, ketones, etc whose principal disadvantage is their unpleasant odor.To be purified, the polluted air crosses a filter to streaming fed uninterrupted by a bioreactor who contains micro-organisms specialized in the degradation as of these pollutants. The output is higher than 99% for the sulfur derivatives. For the nitrogenized derivatives, the organic acids, the aldehydes/ketones and the other COV, the effectiveness is higher than 80%. Other favors: entirely biological, this technique produces very few residues.
This technique is addressed mainly to agribusiness industries, the purification plants and the processing centers of solid waste.
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