Environmental Biotechnology- USMABT 602
Ex- Situ Bioremediation
Vishalakshi Patel
D018
40314200027
, Introduction:
● Ex-situ bioremediation involves removing waste from the polluted site and collecting it to
aid in microbial decomposition.
● Ex-situ procedures are those that are used on soil and groundwater that have already been
excavated or pumped away from the site (water).
Benefits:
1. easier process management and optimization
2. a more expedited course of treatment
3. a greater chance of introducing specific microbes safely, if necessary.
Ex- situ Bioremediation is divided into 3 types and they are as follows;
Ex- Situ Bioremediation
Land Farming Composting Bioreactors
Composting:
● Composting is an aerobic process used largely to stabilise organic solid wastes such yard
trash, animal manure, biosolids, and municipal waste.
● Compost is a collection of complex organic wastes that the microbial population breaks
down into, depending on the environmental factors, the materials added to the compost,
etc.
● Protozoa, actinomycetes, bacteria, fungus, and fungi make up the mixed microbial
community.
● For the growth of the microbiota, the organic waste used in composting serves as a source
of suitable populations of nitrogen and carbon.
● Composting is a dynamic process that entails the interaction of numerous microflora,
mesofauna (like earthworms), and macrofaunal populations with varying environmental
conditions as a result of physico-chemical conditional changes.
● Natural breakdown, which frequently takes place in open landfills, manure piles, or field
soil, is distinct from decomposition, which takes place in a controlled atmosphere.
1