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Bioremediation broadly refers to any process wherein a biological system (typically bacteria, microalgae, fungi in mycoremediation, and plants in phytoremediation), living or dead, is employed for removing environmental pollutants from air, water, soil, flue gasses, industrial effluents etc., in natural or artificial settings. [1]
Environmental factors such as requirements of reaction, mobility of substances, and physiological needs of organisms will affect the rate and degree that contaminants are degraded. [31] Over time, many of these requirements are overcome. This is when petroleum degrading bacteria and archaea are able to mediate oil spills most efficiently.
Microbial biodegradation is the use of bioremediation and biotransformation methods to harness the naturally occurring ability of microbial xenobiotic metabolism to degrade, transform or accumulate environmental pollutants, including hydrocarbons (e.g. oil), polychlorinated biphenyls (PCBs), polyaromatic hydrocarbons (PAHs), heterocyclic compounds (such as pyridine or quinoline ...
These factors can contribute to the population decline of bacteria. Many of these limitations can be overcome through the use of MICP through bio-stimulation - a process through which indigenous ureolytic soil bacteria are enriched in situ. [ 55 ]
Bioremediation is a process that uses microorganisms such as bacteria, fungi, plant enzymes, and yeast to neutrilize hazardous containments that can be in the environment. This could help mitigate a variety of environmental hazards, including oil spills , pesticides , heavy metals , and other pollutants.
Mycorrhizal amelioration of heavy metals or pollutants is a process by which mycorrhizal fungi in a mutualistic relationship with plants can sequester toxic compounds from the environment, as a form of bioremediation. [1] [2] [3]
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 Sun Oil pipeline spill in Ambler, Pennsylvania spurred the first commercial usage of in situ bioremediation in 1972 to remove hydrocarbons from contaminated sites. [6] A patent was filed in 1974 by Richard Raymond, Reclamation of Hydrocarbon Contaminated Ground Waters, which provided the basis for the commercialization of in situ bioremediation.