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Машиностроение. Приборостроение. Металлообработка

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Машиностроение. Приборостроение. Металлообработка
Наименование:

Biodegradation

Формат:      Страниц 168
     мягкая обложка
Автор:
Frederic P.    
Издательство:
Книга по Требованию    
Год:2010
Цена:
2008 руб
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The term is often used in relation to ecology, waste management and environmental remediation (bioremediation). A term related to biodegradation is biomineralisation, in which organic matter is converted into minerals. Organic material can be degraded aerobically with oxygen, or anaerobically, without oxygen. Some microorganisms have the astonishing, naturally occurring, microbial catabolic diversity to degrade, transform or accumulate a huge range of compounds including hydrocarbons (e. g. oil), polychlorinated biphenyls (PCBs), polyaromatic hydrocarbons (PAHs), pharmaceutical substances, radionuclides and metals. Biosurfactant, an extracellular surfactant secreted by microorganisms, enhances the biodegradation process. Biodegradable matter is generally organic material such as plant and animal matter and other substances originating from living organisms, or artificial materials that are similar enough to plant and animal matter to be put to use by microorganisms. Biodegradation is the chemical breakdown of materials by a physiological environment.
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Non-Ionic Surfactants. Effects on Solubilization, Dissolution and Biodegradation of Polycyclic Aromatic Hydrocarbons from Non-Aqueous Phase Liquids Книга по Требованию Leticia A. B.
The effects of non-ionic surfactants observed on the kinetics of PAHs solubilization process, on the mechanisms that control the rates of solubilization and on the rates and extent of biodegradation are also discussed with emphasis on the molecular structure and concentration of the surfactants.
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Generation of gaseous, liquid and solid wastes is an unavoidable consequence of industrial, agricultural and domestic activities.
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Bioremediation. Biodegradation and Biosorption of dyes by White rot Fungi and Marine Algae Книга по Требованию Sukumar M.
The increased competition in the international market, environmental regulations and the availability of subsidies in the technology modernization scheme were the main reasons for the introduction of this new approach for the reuse of wastewater.
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Biodegradable plastic Книга по Требованию Frederic P. M.
The use of bio-active compounds compounded with swelling agents ensures that, when combined with heat and moisture, they expand the plastic' s molecular structure and allow the bio-active compounds to metabolize and neutralize the plastic. Biodegradable plastics are plastics that will decompose in natural aerobic and anaerobic environments. They may be composed of either bioplastics, which are plastics whose components are derived from renewable raw materials, or petroleum-based plastics which utilize an additive. Biodegradation of plastics can be achieved by enabling microorganisms in the environment to metabolize the molecular structure of plastic films to produce an inert humus-like material that is less harmful to the environment.
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Biodegradable bags Книга по Требованию Frederic P. M.
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.
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