Microbial activities in boreal soils: Biodegradation of organic contaminants at low temperature and ammonia oxidation
نویسندگان
چکیده
4 LIST OF ORIGINAL PUBLICATIONS 5 THE AUTHOR’S CONTRIBUTION 5
منابع مشابه
Biodegradation of Soil Contaminants
Many industrial and other human activities resulted in a widespread contamination of soils with various contaminants. Most of these contaminants are toxic to humans and animals . They reach humans and animals through migration into the atmosphere, groundwater and crops I. The pollution became especially disturbing in the past few decades, when the awareness of thi s problem resulted in the enor...
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Petroleum contamination of soil is a serious problem throughout the oil producer countries. Vegetation may play an important role in the biodegradation of toxic organic chemicals in soil. For petroleum compounds, the presence of rhizosphere micro flora may accelerate biodegradation of the contaminants. In a greenhouse study, petroleum contaminated soil were treated using phytoremediation . ...
متن کاملRisk assessment of hazardous impacts on urbanization and industrialization activities based upon toxic substances
A risk assessment study was conducted to predict the expected hazardous influence on the ecosystem resulted from urbanization and industrialization activities at Helwan area, Egypt. To achieve these goals, soils, plants and water samples were collected from Helwan area, and their total concentrations of inorganic contaminants (Cd, Cr, Co, Cu, Fe, Mn, Ni, Pb, and Zn) and organic pollutants; such...
متن کاملThermo-Oxidation and Biodegradation Study of Low-Density Polyethylene /Starch Films by IR Spectroscopy
This article reports a study of the thermo-oxidation and biodegradation in the soil of low-density polyethylene/starch films (LDPE/starch) by infrared spectroscopy: Films of LDPE/Starch blends of different composition (starch content range from 0 to 15% w/w),were prepared and exposed to thermo-oxidation at different temperatures at 80, 90 and 100°C,and buried in the soil of public dump duri...
متن کاملApplications of biological surface active compounds in remediation technologies.
Many microorganisms synthesize a wide range of surface active compounds (SACs), classified according to their molecular weights, properties and localizations. The low molecular weight SACs or biosurfactants lower the surface tension at the air/water interfaces and the interfacial tension at oil/water interfaces, whereas the high molecular weight SACs, also known as bioemulsifiers, are more effe...
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