Process |
Bacteria |
Viruses |
Eggs |
Sludge stability |
Volume reduction |
Odor
potential |
Remarks |
Composting |
+++ |
++ |
+++ |
+++ |
↑ |
+++ |
Effect depends on
mixture |
Autothermal aerobic digestion |
+++ |
+++ |
+++ |
++ |
++ |
++ |
Effect
depends on operational regime |
Pasteurization |
+++ |
+++ |
+++ |
++ |
+ |
++ |
Must be previously
stabilized |
Lime treatment
|
+++
|
+++
|
+++
|
++
|
↑
|
+++
|
Effect depends
on maintaining pH
|
Thermal drying |
+++ |
+++ |
+++ |
+++ |
+++ |
+ |
Stabilization and
total inactivation |
Incineration |
+++ |
+++ |
+++ |
+++ |
+++ |
+ |
Stabilization and total
inactivation |