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Landfarming is an ex situ waste treatment process that is performed in the upper soil zone or in biotreatment cells. Contaminated soils, sediments, or sludges are transported to the landfarming site, mixed into the soil surface and periodically turned over to aerate the mixture. [1]
Bioremediation of oil contaminated soils, marine waters and oily sludges in situ is a feasible process as hydrocarbon degrading microorganisms are ubiquitous and are able to degrade most compounds in petroleum oil. In the simplest case, indigenous microbial communities can degrade the petroleum where the spill occurs.
Landfarming, or land treatment, is a method commonly used for sludge spills. This method disperses contaminated soil and aerates the soil by cyclically rotating. [30] This process is an above land application and contaminated soils are required to be shallow in order for microbial activity to be stimulated.
Bioremediation of petroleum contaminated environments is a process in which the biological pathways within microorganisms or plants are used to degrade or sequester toxic hydrocarbons, heavy metals, and other volatile organic compounds found within fossil fuels.
Bioaugmentation is favorable in contaminated soils that have undergone bioremediation, but still pose an environmental risk. This is because microorganisms that were originally in the environment did not accomplish their task during bioremediation when it came to breaking down chemicals in the contaminated soil. The failure of original bacteria ...
Soil remediation is an expensive and complicated process. Traditional methods involve removal of the contaminated soil followed by treatment and return of the treated soil. [citation needed] Phytoremediation could in principle be a more cost effective solution. [5] Phytoremediation may be applied to polluted soil or static water environment.
Pleurotus ostreatus (Oyster mushroom). Mycoremediation (from ancient Greek μύκης (mukēs), meaning "fungus", and the suffix -remedium, in Latin meaning 'restoring balance') is a form of bioremediation in which fungi-based remediation methods are used to decontaminate the environment. [1]
The volume of gas requiring treatment for indirect fired desorbers is a fraction of that required for a direct fired desorber. This requires smaller air pollution control trains for the gaseous process vent emissions. Some thermal desorption systems recycle the carrier gas, thereby further reducing the volume of gaseous emissions.