In order to give you the best experience, our website uses cookies. By continuing, you accept that you are happy for us to use these cookies. To get more information on the cookies used on our website please read our Cookie Policy.

Manage Cookies

 
In order to give you the best experience, our website uses cookies. The information does not usually directly identify you, but it can give you a more personalised web experience.

You can choose not to allow some types of cookies. Click on the different categories to find out more and change your default settings. However, blocking some types of cookies may impact your experience of the site and the services we are able to offer.


Mandatory cookies

(Req)
These cookies are essential so that you can move around the website and use its features which cannot be switched off in our systems. They are set in response to actions made such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.

These cookies are required

Performance cookies

These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site.


Marketing cookies

These cookies allow the website to remember choices you make to give you better functionality and personal features. All information these cookies collect is aggregated and therefore anonymous.
Biffa Anaerobic digestion site survey

Food Recycling & Anaerobic Digestion

The UK generates around 19 million tonnes of food waste per year, with business accounting for just under half of this in the food production sector.

Much of this food waste is currently sent to landfill sites where it is slowly broken down into methane and carbon dioxide, which are both powerful greenhouse gases.

Anaerobic Digestion (AD) technology is increasingly being deployed across the UK, converting waste food matter into bio methane. Anaerobic digestion technology is used to generate green energy, which is then exported to the National Grid.

What is Anaerobic Digestion?

Anaerobic digestion (AD) is the breakdown of organic matter in the absence of oxygen by micro-organisms called methanogens. The process of anaerobic digestion provides a source of renewable energy, as the waste is broken down to produce bio gas (a mixture of methane and carbon dioxide).

The process of anaerobic digestion provides a source of renewable energy, as the waste is broken down to produce bio gas (a mixture of methane and carbon dioxide).

The bio gas is used to generate electricity and heat to power on-site equipment with surplus electricity exported to the National Grid.

A further by-product of the process is bio-fertiliser (the digestate from the process), which is rich in nutrients such as nitrogen, potassium and other elements required for healthy plant growth and fertile soil.

Bio-fertiliser from source segregated waste can be applied directly to agricultural land where it meets PAS 110 standard.

Biffa and Anaerobic Digestion

We operate a number of food waste treatment facilities in the UK, enabling up to circa 315,000 tonnes of food waste per year to be recycled or reused. We currently have 3 AD facilities, located in Leicestershire, Staffordshire and West Sussex

  • Poplars AD facility - Staffordshire

    Our flagship plant in Cannock was opened in April 2011, at an investment of £24million, and has the capacity to handle up to 120,000 tonnes of food waste per year.

    The plant is the most efficient food waste processing AD plant in the UK generating up to 6.5m MW of electricity - enough to power 15,000 homes. The plant is best in class, providing a single point waste disposal solution for packaged & unpackaged food waste.

  • Horsham AD facility - West Sussex

    In 2010, Biffa was awarded a contract to design, build and operate an MBT plant with an integrated AD facility on behalf of Sussex County Council.

    The facility has a capacity of 310,000 tonnes per annum and is designed to handle the county's residential and business waste tonnage. It is designed to produce refuse derived fuels and recover recyclables in the MBT plant and treat organic waste in the AD plant.

  • Wanlip AD facility - Leicestershire

    The primary feed stock for our 30,000 tonnes per annum Wanlip plant comes from our mechanical waste treatment facility in Leicester.

     

    Household waste is mechanically processed and then screened and sorted to separate food waste and metals, produce solid recovered fuel and residual materials for disposal.

     

    The extracted food waste is mixed with water to create a slurry, and is then screened  and filtered to remove any contaminants.

     

    The plant receives bulk and source segregated food wastes and has been approved for the receipt of category 3 animal by-products.