Bioremediation
Bioremediation can be carried out ex-situ or in-situ. At its very simplest it is the turning and aerating of material to aide the volatilisation of contaminants.
This can be carried out in windrows or biopiles depending on the nature of the bioremediation and space on site. Other material can be added to the windrows in order to create materials with more open structures for bioremediation to occur.
More involved forms of bioremediation can involve the addition of Oxygen Release Compounds or the introduction of pumped air. The overall aim of bioremediation is to create optimum conditions for naturally occurring bacteria to thrive and breakdown or transform organic contaminants.
Bioremediation is more effective if it is carried out ex-situ but it can be carried out in-situ if required. In-situ remediation is often carried out beneath existing structures etc.
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