But of course if you have masses of chicken poo as a by product of an egg farm, or generalised rubbish, or other organic waste, it may be cost effective to generate power with it.
OTOH as a compost this stuff also has value.
And there is the money saved by not having to otherwise dispose of it.
In message , harry writes
Disposal of animal waste is regulated. Farmers in receipt of support payments are required to comply with rules designed to minimise risk of surface water pollution.
Basically, spreading can only carried out on land outside the period
01-09 to 01-02 (Sept. to Feb.) and then more than a certain distance from rivers and wet ditches.The immediate consequence is the requirement to store waste through the Winter.
But not when it gets used in anaerobic digestion.
AD is an excellent way of dealing with waste foodstuffs and certain farm wastes, converting them to fertilizer, avoiding pollution and getting some energy off the process. Unfortunately the government seem to have ballsed it up again and made Ad so profitable with subsidies that if you farm near a gas main you may as well give up traditional agriculture and just grow energy crops for a biodigester.
Subsidies intended to protect our food producers and the natural environment are destroying both, and subsidies intended to kick-start a sustainable AD industry are making a monster which is doomed to collapse
Tim W
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