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Home arrow Environment arrow Biosafety and the environmental uses of micro-organisms : conference proceedings.
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Remediation technologies

A number of options exist for the disposal (remediation) of pollutants found in the environment. These include (Ball, 2007):

  • • Incineration: the process of the destruction of a pollutant through conversion to carbon dioxide and water through combustion with the residue of incombustible material forming an ash residue.
  • • Burying: disposal of a pollutant by placing it in a sanitary landfill, which is engineered in a manner that protects the environment from the pollutant.
  • • Solidification: encapsulation of the pollutant in cement which after hardening can be disposed of safely in a landfill.
  • • Thermal desorption: this is an environmental remediation technology that utilises heat to increase the volatility of contaminants such that they can be removed from the soil. The volatilised pollutants are then collected or thermally destroyed.
  • • Bioremediation: the application of biological treatment to the cleanup of hazardous chemicals by metabolic conversion into non-toxic substances (Cookson, 1995).

This chapter focuses on the application and risks associated with bioremediation and consequently will focus on this sustainable remediation technology.

 
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