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How Bioremediation Works

Hoca

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How Bioremediation Works​


Bioremediation is a branch of biotechnology that employs the use of living organisms, like microbes and bacteria, in the removal of contaminants, pollutants, and toxins from soil, water, and other environments. It is used to clean up contaminated groundwater or environmental problems, such as oil spills.

How Bioremediation Works​


Bioremediation relies on stimulating the growth of certain microbes that utilize contaminants like oil, solvents, and pesticides for sources of food and energy. These microbes convert contaminants into small amounts of water, as well as harmless gases like carbon dioxide. The process requires a combination of the right temperature, nutrients, and foods. The absence of these elements may prolong the cleanup of contaminants. Conditions that are unfavorable for bioremediation may be improved by adding “amendments” to the environment, such as molasses, vegetable oil, or simple air. These amendments optimize conditions for microbes to flourish, thereby accelerating the completion of the bioremediation process.

Bioremediation can either be done “in situ,” which is at the site of the contamination itself, or “ex situ,” which is a location away from the site. Ex situ bioremediation may be necessary if the climate is too cold to sustain microbe activity or if the soil is too dense for nutrients to distribute evenly. Ex situ bioremediation may require excavating and cleaning the soil above ground, which may add significant costs to the process.

The bioremediation process may take anywhere from several months to several years to complete, depending on variables such as the size of the contaminated area, the concentration of contaminants, temperature, soil density, and whether bioremediation will occur in situ or ex situ.

Advantages of Bioremediation​


Bioremediation offers numerous advantages over other cleanup methods. By relying solely on natural processes, it minimizes damage to ecosystems. Bioremediation often takes place underground, where amendments and microbes can be pumped in order to clean up contaminants in groundwater and soil. Consequently, bioremediation does not disrupt nearby communities as much as other cleanup methodologies. The process creates relatively few harmful byproducts (mainly due to the fact that contaminants and pollutants are converted into water and harmless gases like carbon dioxide).

The post How Bioremediation Works appeared first on Custom Biologicals.
 
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