UASBBioremediation Fundamentals



Bioremediation Fundamentals

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     Reference 1 provides a very good working definition for bioremediation, i.e. the term is applied to any system or process in which biological methods are used to transform or immobilize contaminants in soil or groundwater.

     The agents responsible for breaking down organic chemical contaminants can be bacteria, fungi and/or enzymes.  In order for these microorganisms to carry out their cycle, some livable environment conditions must be met, e.g. temperature, oxygen availability, pH.  Also nutrients, such as nitrogen and phosphorus, must be available.

     Because of this need of a proper context, there are several factors beyond pure biological processes.  These factors, which influence the effectiveness of bioremediation, are roughly grouped in three major categories, i.e.




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