Differences
between Composting and Landfarming
|
No.
|
Composting
|
Landfarming
|
|
1
|
Composts
are formed into piles.
|
Contaminated
soils are separated into layers by sieving (0.04m thick).
|
|
2
|
Labors
are required, no mechanics.
|
Mechanical
separation of contaminated soil
|
|
3
|
No
leaching
|
Leaching
occurs and leachate is collected.
|
|
4
|
Bulking
agents (wood, hey, manure) are added to promote microbial growth and maintain
elevated temperature (54-65o C)
|
Crushed
limestones or agricultural lime is used to maintain pH near 7.0.
|
|
5
|
It
includes volatilization of compounds
|
No
volatilization, chemical vaporization occurs.
|
|
6
|
Effective
removal of TNT, RDX, PAH.
|
Effective
removal of PAH, PCP, hydrocarbons.
|
|
7
|
Figure:
|
Figure:
|
The Daily Youth- tdy24.com Presents
" Differences between Composting and Landfarming"
Written By
Sadia Akhtar
Student of Department of Microbiology
Jagannath University.
Email- sadiabd810@yahoo.com
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