Read e-book online Applied Bioremediation and Phytoremediation PDF

By Owen P. Ward, Ajay Singh (auth.), Dr. Ajay Singh, Dr. Owen P. Ward (eds.)

ISBN-10: 3642059082

ISBN-13: 9783642059087

ISBN-10: 3662057948

ISBN-13: 9783662057940

The creation of an unlimited array of chemical compounds, specially petroleum compounds over the last century, has prompted a significant deterioration in environmental caliber. during this context, one significant chance is posed through the consistently increasing components of infected soils and sediments.

Biotechnological equipment according to the biodegradation of environmental toxins or phytoremediation of chronic natural contaminants and metals are being constructed. Bioremediation has now been used effectively to remediate many petroleum-contaminated websites. in spite of the fact that, there are as but no advertisement applied sciences wide-spread to remediate the main recalcitrant contaminants, corresponding to explosives, insecticides and steel pollution. however, bioremediation is a quickly advancing box and new bio-based remedial applied sciences are carrying on with to emerge. For this quantity, a couple of specialists from universities, govt laboratories and undefined, have contributed chapters on leading edge equipment in bioremediation and phytoremediation.

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In: Enclyclopedia of Microbiology, 2nd Edn, Academic Press, New York, pp 587-610 Hunter-Cevera JC (1998) The value of microbial diversity. Curr Opin Microbiol 1:278-285 Iwamoto T, Nasu M (2001) Current bioremediation practice and perspective. J Biosci Bioeng 92:1-8 Kozak R, Dhaese I, Verstraete W (2001) Pharmaceuticals in the environment: focus on 17 alpha-ethinyloestradiol. In: Kummerer K (ed) Pharmaceuticals in the environment: sourees, fate, effects and risks. Springer Verlag, Berlin, pp 49-66.

1997) reported that the addition of a commercial microbial culture reduced total petroleum hydrocarbon (TPH) concentrations in a biopile by 71 % compared to only 44% without the amendment. 4 Lack of Cometabolism It has been reported that five-ring PAHs are only biodegraded in the presence of other hydrocarbons such as lower molecular weight PAHs Biodegradation and Bioremediation of Petroleum Pollutants in Soil 25 or complex hydrocarbon mixtures such as crude oil (Keck et al. 1989; Kanaly et al.

Despite the fact that these technologies are successful in cleaning contaminated soils, they not only often destroy the soil structure or render the soil biologically impoverished, sometimes even completely sterile, but also are usually cost-prohibitive. By contrast, biological soil treatment technologies such as land farming, composting or biopile treatment, slurry bioremediation, and bioventing are not only cost-effective, but generally reduce hydrocarbon pollutant levels sufficiently to bring about a significant improvement in soil quality as indicated by marked reductions in ecotoxicity.

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Applied Bioremediation and Phytoremediation by Owen P. Ward, Ajay Singh (auth.), Dr. Ajay Singh, Dr. Owen P. Ward (eds.)


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