During aerobic composting, microorganisms oxidize organic compounds to carbon dioxide (CO2), nitrite, and nitrate. Carbon from organic compounds is used as a source of energy while nitrogen is recycled. Due to chemical reactions producing heat, temperature of the mass rises.
Several biological, chemical, and physical processes contribute to the success of the aerobic composting
Biological process
thermophilic stage (sanitisation)
Mesophilic stage (decomposition).
Curing Stage
Chemical Process
Moisture: moisture content should be high
Aeration: High oxygen levels in air voids
Carbon-to-Nitrogen Ratio of around 30:1,
Physical Process
Temperature : rise beyond 70°C
Particle Size: enough void space to allow air to circulate
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Urban Infrastructure and Network Study notes for M. plan Sem-III
Urban Infrastructures & Network.pdf
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