Which of the following bioremediation method is ex-situ?

Bioventing

Biopile

Bioaugmentation

Bioreactor

Biosparging

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Question

Ex-situ bioremediation is a biological approach in which excavated soil is placed in a lined above-ground treatment area and then aerated to assist the indigenous microbial population in degrading organic contaminants.
Ex-situ, bioremediation techniques include Landfarming, Biopiles, Bioreactors, Composting
Land farming is the most fundamental kind of bioremediation.
A Biopile is a sort of ex-situ treatment that employs biological processes to convert pollutants into non-hazardous byproducts.
The bioreactor method is a biochemical processing system that uses microbes to remove toxins from wastewater or pumped groundwater, as well as the solid and liquid (slurry) stages of contaminated soil remediation. This process could be aerobic or anaerobic.
Compost bioremediation is the use of a biological system of microorganisms in a mature, cured compost to adsorb or break down contaminants in water or soil.

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Ex-situ bioremediation is a biological approach in which excavated soil is placed in a lined above-ground treatment area and then aerated to assist the indigenous microbial population in degrading organic contaminants.
Ex-situ, bioremediation techniques include Landfarming, Biopiles, Bioreactors, Composting
Land farming is the most fundamental kind of bioremediation.
A Biopile is a sort of ex-situ treatment that employs biological processes to convert pollutants into non-hazardous byproducts.
The bioreactor method is a biochemical processing system that uses microbes to remove toxins from wastewater or pumped groundwater, as well as the solid and liquid (slurry) stages of contaminated soil remediation. This process could be aerobic or anaerobic.
Compost bioremediation is the use of a biological system of microorganisms in a mature, cured compost to adsorb or break down contaminants in water or soil.