Because bioremediation uses naturally occurring organisms to break down hazardous substances, the process is not harmful. Bioremediation processes are cost effective, safe and nature-based methods over the chemical and physical methods. Bioremediation means cleanup of polluted environment via transformation of toxic heavy metals into less toxic form by microbes or its enzymes. This is the key difference between in situ and ex situ bioremediation. Bioremediation is any process that uses decomposers and green plants, or their enzymes, to improve the condition of contaminated environments. Bioremediation is a clean-up technology that uses naturally occurring microorganisms to degrade hazardous substances in soil, water and air into less toxic or nontoxic compounds.. Bioremediation is an economical and safe method for cleaning up oil spills and bioremediating soils contaminated with petroleum hydrocarbons and dangerous organic compounds. In the simplest terms, bioremediation is a waste management process using live organisms to neutralize or remove harmful pollutants from contaminated areas. On top of that, the safe and thorough cleaning of biological matter requires specialized equipment and training that most people do not possess. Hiring a bioremediation company will help relieve some of the emotional burden associated with crime scene cleanup and ensure the site is restored to a safe and livable condition. Bacteria can be used to clean up oil spills in the ocean through bioremediation. In ex situ bioremediation, contaminants are treated in some other place from the original site. Bioremediation is a treatment process that uses biological microorganisms (yeast, fungi, or bacteria) to naturally break down (digest/bio degrade) hazardous substances into less toxic/harmless products (inorganic salts, CO2 & H20). BIOREMEDIATION. Ex situ bioremediation is used to clean contaminated soils and other materials which have been removed and isolated so that they can be rendered inert and safe to handle. Bioremediation is an environmental science that amplifies natural biological actions to remedy or remediate polluted groundwater and contaminated soil. Specific bacteria can be used to bioremediate specific contaminants, such as hydrocarbons, which are present in oil and gasoline. The different methods used by bioremediation seek to completely eliminate contamination, although it is not always achieved in its entirety; It is not about transferring contamination from one physical state to another, as it happens in other treatments that use this type of technique. Bioremediation technology is principally based on biodegradation. *It is a cost effective and natural process, commonly used to treat organics, fuels or solvents. Reference: 1.”Bioremediation.” Wikipedia. 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