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COMPOSTING :check: (Anaerobic Digestion (produce biogas, decomposition…
COMPOSTING
:check:
Digester
Type of digester
PFR
CSTR
anaerobic lagoon digester
process carried by bacteria with assistant of heating &stirring
Closed tank
collect biogas
Issues
oral contamination
environmental hazard
environmental contamination
hazard to human
Biogas production synthesis
1.hydrolysis
fermentation
acetogenesis
methanogenesis
Anaerobic Digestion
produce biogas
decomposition rate depends on temperature
biochemical reaction carried out by bacteria
produce methane gas without oxygen
reduce the pollution
Benefits of Anaerobic Digestion
can reuse output water
less hazardous and safe when handling
electricity generation
improve value of waste