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Anaerobic Digestion for farms


Anaerobic Digestion Has Changed
The New, Radical, Plug-Flow System,
Uses Farm Yard Manure, Slurry, and Dry Feed Stocks

Download your free guide to Anaerobic Digestion HERE ?

What is Anaerobic Digestion (AD)?

Anaerobic Digestion is a series of processes in which micro-organisms break down bio-degradable materials (Biomass) in the absence of oxygen (Anaerobic).

The Biomass is put into sealed tanks and naturally occurring micro-organisms, which are highly active when there is no oxygen present; digest it, which in effect, releases methane that can be used to provide clean and renewable energy (heat, electricity, and biogas).

The materials at the end of the digestion process are high in nutrients (NPK). These materials can be re-used as a fertiliser and placed back onto the fields to help develop new crops or materials for the Anaerobic Digester.

A large advantage of AD is that almost any form of organic material can be used.
This includes:

• Energy crops
• Crop residues
• Grass silage
• Animal manure
• Slurry

The Anaerobic Digester results in less waste products being sent to landfills, which benefits both the environment and the farmer.

Fig 3. One of the Anaerobic Digesters our Manufacturing Partners have developed.
Economic advantages
• Provides additional income
• Diversification of outlets for crops
• Offsetting fertilizer costs
• Methane production: Providing potential energy source with possible revenue both from sale of the energy, and benefit from government incentives.
• Heat and electricity production.

Environmental advantages
• Biogas resulting by anaerobic digestion is a source of renewable energy because it replaces fossil energy.
• Reduction of pollution and methane reduction.
• Sustainable slurry management of organic waste.

Why turn to anaerobic digestion?

The continuous plug-flow AD's we offer are controlled by the farmer and do not rely on a factor which is out of the farmers control i.e. the weather. The farmer is able to control the input of biomass, which in effect, can maintain a consistent energy production.
Farmers are also able to perform much of the maintenance, which again, will reduce the cost of running the AD.

Our company can offer a range of small scale outputs ranging from 20kW to 250kW electrical (although they can comfortably go to 500kW). Within this range, each digester is sized to accommodate a variety of "low strength", "medium strength" and "high strength" feed-stocks which makes the whole process very versatile and suitable for many single farm operations.

Along with FiT for electricity produced, the heat generated is normally eligible for Renewable Heat Incentives, providing a dual income stream.

For more information regarding Anaerobic Digestion, or any other form of renewable energy, contact the report's author, Dr MarC Stanton on 07976 380527 or write to him at