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MICROBIAL DESTRUCTION OF HYDROCARBONS /OIL POLLUTIONS/.

[Category : - Life-saving; Fire-fighting]
[Viewed 2088 times]

Natural biodegradation processes remove hazardous substances from the environment, with microbes playing the dominant role. Bioremediation is an economical and safe method for cleaning up oil spills and treating soils contaminated with petroleum hydrocarbons and dangerous organic compounds. Native microbial communities are poor in hydrocarbon-oxidizers and natural process of their selection might take years. Inoculation with hydrocarbon-degrading microorganisms speeds the process of biodegradation for few times: it takes days or weeks instead of years. Using microorganisms with well-known properties allow strict control over the remediation process. MDH is the result of 17 years investigations in biochemistry and physiology of hydrocarbon-degrading microorganisms and is based on the stock of hundreds samples of bacteria and fungi, collected all over the world. Technical description. 1 MDH is composition of obligate hydrocarbon-degrading microorganisms from Bacteria and Fungi kingdoms. MDH was created to clean broad spectrum of hydrocarbons in aquatic and terrestrial ecosystems. 2 MDH works efficiently even in water with petroleum concentration more then 20% and in soils with contamination more then 260 kg/m³. 3 MDH oxidize broad spectrum of low- and high-molecular-weight alkanes and polycyclic aromatic hydrocarbons (PANs) 4 MDH posses the unique capacity to destroy non-soluble hydrocarbons 5 MDH works under broad spectrum of pH (pH 5,5-9,5) and temperature ( 5-37º C, with optimum 20-28º C) 6 Microbial consortium in MDH is adapted to the environment with salinity up to 150 g/l and performs with the same efficiency in salt and fresh water. MDH can effectively degrade the following contaminants: 7 Hydrocarbons with carbon chains ranging from C-5 to C-40 8 Benzene, xylene and toluene 9 Crude oils with high level of sulphur PAH 10 PCB and other chlorinated compounds 11 Fuel oils 12 Fossil fuels - gasoline, diesel, aviation gas 13 Condensate - leakage from pipelines 14 lycols, phenol, creosol Safety and benefits for the Nature Cleaning environment from hazardous compounds using the microbes – is the most natural way to decompose contaminants. The microbial consortium in MDH consists of obligate hydrocarbon-degrading microorganisms. It means that microbes utilize petroleum and its by-product as unique source of carbon and can’t grow on other substrates. When hydrocarbons are degraded microbes pass away. MDH perform thorough degradation of hydrocarbons in a relatively narrow time window. This gives chance for the native microbial population to survive. Otherwise, long-time exposure to the foreign contaminants would have detrimental consequences for the indigenous microorganisms, flora, and fauna. he end-products of biodegradation with MDH are CO2 and water. Microbial biomass, from the dead MDH microbes, serves as a fertilizer and improves the soil fertility. Environmental and Economic Benefits of petroleum cleaning up technology, developed by INIG. "KOMET" is a innovation company that develops and implements advanced technologies in ecology and agriculture. The technologies are aimed to minimize the negative effects of human activity on the native ecosystems. The basic idea behind every technology is to copy the native process as exact as possible by using the advanced scientific tools and methods. The application of our technologies increase the value of lands and territories within a relatively narrow time scale. Microbial destructor of hydrocarbons. Being developed as a part of a soil-building technology the petroleum cleaning up technique can be used as a separate method for many unique applications. The method is based on application of native oil-degrading microorganisms and reproduces the processes of pollution degradation occur in Nature though speedup up several times. / The technical Description of the Microbial Destructor of Hydrocarbons is enclosed/. The potential applications of microbial-based detoxification of petroleum pollution can include but not be limited by the follow. Oil spills detoxification. The technique allows to eliminate oil spills on land and/or in fresh and salted aquifers in a environmentally safe and economically profitable manner and within the shortest possible time. If applied shortly after oil spill the technique minimize the negative effect of pollution on the ecosystem. It also allows recovering old weathered oil spills and including the recreated area into the usable. Detoxification of continuous oil leakages . The technology allows keeping the clean area around facilities engaged in oil-extraction, processing and logistics. The land surrounding above mentioned facilities can be recreated in a short time scale and used for agriculture, fishery or other human activities. The additional advantage of this technology is that it keeps the treated area continually protected from the new leakage. Detoxification of petroleum-based chemicals . Benzene, xylene, toluene, PAH, gasoline, diesel, aviation gas, glycols, phenol, creosol and other toxic compounds can be detoxified using microbial-based method, with the end-products being bio fertilizers CO2 and water. Cleaning up equipment contaminated with petroleum and petroleum-based products. The equipment used in petrochemical industries requires periodically cleaning up. Application of our method makes this procedure inexpensive, fast, safe for operators and environmentally secure. Cleaning up vehicles used for oil transportation. Safety standards and regulations for industries with high potential risk for environment are very rigorous and tend to became even stricter in a future. The service that allows oil-transporting companies follow such a high standards is in a great demand. Building up soil and increasing the fertility of lands. The end-products of petroleum detoxification obtained during the cleaning process can be used further for the improving the fertility of soils. The above mentioned end-products can be used as a substrate for soil-building microorganisms. The overall goal of soil-building technology is to prevent desertification and in perspective to turn back the desert area into fertile land suitable for farming. Authorities as well as with local public and private organizations and research groups, who wish to contribute into the development and application of Nature-friendly technologies.

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