We have a variety of organic waste materials available including animal dung,crop residues,household organic waste and food waste etc.There are currently two routes available (apart from mulching/conservation agriculture),the anaerobic digestion to generate biogas and bioslurry and aerobic digestion/decomposition to produce compost.From efficient use of organic resource , environmental pollution,generation of green house gases and human/animal health point of view which is the best option?Or alternatively under what conditions one should opt for one of these options?
The following note in the form of questions and answers give a brief account of anaerobic digestion of organic wastes and benefits from the process.
Anaerobic digestion http://www.biogas-info.co.uk/
about (http://www.biogas-info.co.uk/about/) / FAQs
The following feature item /article pertinent to the question raised may be interesting.
On front lines of recycling,turning food waste into biogas by Cernansky,R. 2014
http://e360.yale.edu/features/on_front_lines_of_recycling_turning_food_waste_into_biogas
If you can use the biogas gnerated from anarobic digestion,I think anarobic digestion is better. Because anarobic digestion not only can provide the clearn energy of biogass and the manure, but also it can treat biomass and decrease the emission of greenhouse gas. But it may cause some kinds of risk, such as explosure,asphyxia.
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