Chapter 9
9.48
3.
Heat Energy Recovery:
Recovering heat energy
in the form of dry fuels from combustible waste
fractions.
Types of Composting Units
Composting units can be categorized into the following
methods:
1.
Aerobic Composting:
•
This involves the bacterial conversion of organics
in solids under the presence of air, hot, and moist
conditions.
•
This produces compost (humus) that serves as
odourless and pathogen-free fertilizer.
•
This reduces waste volume by 50–85%.
•
This can be carried out using either manual or
mechanical means.
2.
Vermicomposting:
•
This relies on the joint action of earthworms and
aerobic ...
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