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Anaerobic Digestion Systems Web Site

We also have a section on Anaerobic Digestion in Agriculture.

“We think that Anaerobic Digestion has a great future amongst the biological technologies which will become the tools for sustainable waste management throughout the 21st Century, working with nature to maintain the natural carbon cycle to the benefit of man.”



Our mission on this web site is first and foremost to provide our visitors with the information they seek, assuming that these will range from those without previous knowledge, to informed student researchers, and also will include knowledgeable professionals seeking detailed technical information.

This is a very wide readership to serve. We hope that we cover this breadth of knowledge, and that by visiting a few pages you will find the general or detailed information you were seeking. If you would like to see additional features contact us, by email, or by feedback by clicking at the top right of this page.

Those new to AD might wish to start by reading our Introduction to Anaerobic Digestion section.

Existing suppliers might wish to see our technology provider table here.

We also, in particular, seek to help in the resolution of real-life feasibility questions, for new site specific applications of this technology. This may be as part of your sustainable waste management planning. Or maybe, on your farm. We have published an eBook on the subject of Anaerobic Digestion Plant Feasibility Studies here which is available for immediate downloading.

Watch othis video showing a US Batch AD Process, and get a feel for the concept of modern AD technology development.

The popularity of AD is set to rise again in 2008, with UK Government and EU support.

Why not email us and tell us about your AD Project at info@anaerobic-digestion.com , and if we think that the information is of interest to our subscribers we will post your news to them, and your item will also appear on our AD blog. With the rising number of our subscribers this is becoming very useful publicity.

Build Your Own Anaerobic Digestion Plant in Your Back Yard

In our video below we review a great new ebook. Now you can build one! Use the gas for cooking! Save money on gas.

We are fast becoming a recognised independent web community resource in AD. Please contribute and help us to make this web site better.

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then you will see how others have voted.

Definition of AD:

Free Classic Book: Click here.

Anaerobic Digestion (AD) is a process whereby organic waste is broken down in a controlled, oxygen free environment by bacteria naturally occurring in the waste material. Methane rich biogas is produced thus facilitating renewable energy generation. As a result, materials that are currently going to landfill can be utilised; natural methane emissions are reduced and conventional generation with its associated carbon emissions is displaced. The residual nutrient rich liquor and digestate is suitable for use as fertiliser on the farmland surrounding such a plant, reducing the need for artificial fertiliser.

Anaerobic Digestion is a form of composting. Generally, the term composting is used to refer to aerobic composting. Find out more about composting at our associated commercial composting web site.

(Anaerobic Digestors are also called bioreactors, or biomethanation plants.)

Methane to Markets

Want to know more about the US’s recent Methane to Markets initiative? More ...
 

Anaerobic Digestion News Updated : Anaerobic Digestion Technologies to Get Help Through Feed-in-Tariffs The following has been posted in MRW, and is great news for the future of UK AD.Financial support for anaerobic digestionLiz Gyekye, 02 Feb 2010The Government has announced ambitious plans to provide financial support for anaerobic digestion technologies through feed-in-tariffs (FITs) and the “world’s first” renewable heat incentive scheme.The schemes are designed to bring about a significant increase in the amount of locally produced green energy and help the UK meet its renewable energy targets.FITs is a financial support system that will incentivise small scale low-carbon electricity generation by providing “clean energy cashback” for householders, communities and businesses. It will work alongside the Renewables Obligation, wh... Author : Steve Last Food Waste Recycling Company PDM Group Announces Council Talks Food waste recycling company PDM Group has revealed that it is in talks with "a lot" of councils about the treatment of separately-collected food waste as it looks to secure the feedstock for its network of planned and existing biomass and anaerobic digestion facilities.Speaking to letsrecycle.com last week (September 17), the company's commercial team manager, Suzanne McDermott, said that its current priority was making councils, food retailers and food producers aware of the energy potential of food waste.The calorific value of food waste means it's absolutely perfect for producing energy Suzanne McDermott, of PDM said:"The calorific value of food waste means it's absolutely perfect for producing energy," she said, explaining that "w... Author : Steve Last Exciting Opportunities Arising from UK Government Low Carbon Strategy The following is an extract from the Enviros Consulting September 2009 Briefing Note on the UK's Low Carbon Strategy:The UK government has announced a number of financial drivers and measures to remove barriers to deployment of more renewables, as part of their low carbon strategy. This rapidly growing industry will bring opportunities for many of our customers. Nonfinancial measures include a new planning PPS, measures to improve grid access and a new Office for Renewable Energy Deployment. However the main drivers announced are the financial ones outlined below. The Renewables Heat Incentive - The Renewables Heat Incentive will deliver a staggering 72TWh/yr of heat by 2020 from biomass, solar, heat pumps and biomethane - The policy to b... Author : Steve Last Manure to Become Megawatts in Newcastle University Project A £1.85M project looking at techniques of converting farm waste products into electricity is to go ahead in the North East.A state-of-the-art anaerobic digester which converts manure from pigs and cattle into green electricity is arranged for being installed at Cockle Park Farm by Newcastle College thanks to an £860,000 cash injection from regional improvement agency One North East.The idea is one of assisting farms turn into far more sustainable businesses, the goal is to join with North East farmers, land managers and other associated organisations to find new means for making renewable electric from waste material.Ths project is joint funded by the college and One North East through its Rural Development Programme for England (RDPE), t... Author : Steve Last Waste Produces Gas for Cooking in Kenya Using Anaerobic Digestion This item shows how anaerobic digestion can be such a power for good. It brightened my day and I hope it does the same for yours as well. It explains how biogas is being used to solve a number of problems simultaneously in Kenyan slums.Harnessing Waste Produces Gas for Cooking in KenyaBy Cathy MajtenyiKenyaFrom Voice of America News - 07 November 2009The scourge of so-called "flying toilets" - where human waste is put into a plastic bag and tossed into the air, landing on roads or in gutters - has plagued the slums of Kenya's capital Nairobi for decades. But an innovative project in the slum of Kibera has dramatically cut down on the problem by converting human waste into gas that can be used to fuel cookers and other devices.Roseline Amo... Author : Steve Last Affiliate Data Feeds Amazon Associate Software

 

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We have recently added:

• The biogas calculator
• Biomass Energy Sources
• Chloride Level Anaerobic Digestion
• MSW Biogas Plants in China
• Digester Tank Supplier List
• Anaerobic Technology Provider List
• Anaerobic Lagoons
• Advantages and disadvantages of anaerobic treatment
• Bio-gas Yields table for agricultural feedstocks such as slurries and manures
• Biogas Finance Articles Section

Visit Friends of Biogas

WebMaster, Steve Last reports: “Until about 2004 Anaerobic Digestion was considered by most in the UK to be little more than an interesting sideline to sewage treatment and of only academic interest to the waste & agricultural industries. “ “This changing rapidly during 2006/6 and we now receive many enquiries, and have several active projects in this area. We expect that many more will follow.” Want to find out about AD Technology Suppliers? Try our MSW AD PLant suppliers page here.

WHAT THE NEWSPAPERS SAY!!!!: “Sheep and cows bred to be less "windy" could have a crucial part in fighting global warming, according to Sir John Houghton, a climate change expert. Flatulent livestock reportedly contribute up to 30% warming”. WHAT OUR VISITORS ARE SAYING: Brett Spiller: This layout of the website is intuitive and therefore easy to navigate. I have found both the depth and breadth of information available very useful. D.K: It is a very informative site, gave brief information of the technology, particularly plug flow system/UASB, I forsee, that agri farm can be exporters of energy beside their produce, two in one, more cash flow, while keeping the environment protected. India. Damian D: Excellent website for information on biogas process and outline descriptions. Many thanks. Damian, Ireland. RV: Good site for general information, good and easy to use layout! Beds, UK OC: I am in need of block diagram-- how bioreactors are used in bio-methanation?" please help me. India. Try this here... TB: Why don't you have anything on the anoxic gas flotation process? AGF? US (Washington State University) - Sorry. No knowledge of this. Give us a link, and we’ll publish -Ed. KT: Great site, well done, however you are not looking at small scale co-operated systems like the Portagester which is an interesting little plant. However, as I have already said, lots of good info for anyone looking at Anaerobic Digestion to perform a number of services. I have also studied AD as an alternative decentralised sewage system and it is very interesting.  Unknown location. Good point! See the Portagester process page added Sept. 2007. J. O’M: Great Site - Very useful information for novice and professional: Ireland David D: A good site for an interesting subject. Some of the links could be made easier. Regards. United Kingdom Martino V: A very interesting and useful site. Italy 'Witchaya K: I’m come from Thailand and finding the information about anaerobic digestion in the rural village. I'm studying in master degree and making the project about the anaerobic digestion. Thank you. Thailand Renee K-B: I am new to this topic in particular but found the site address encouraging and have signed up for the newsletter. US Nick L: Great website so much useful information, am very much interested in AD with the possible applications and implications. United Kingdom KSVN: The site appears to be interesting. I am yet to browse thro the site. India A.G: Biogas production from any viable source is an obvious path in a petro energy stressed economy. My field of interest is on-site wastewater treatment, given GHG concerns carbon sequestering and energy production potential is subject to scrutiny right now. Comment: Relevent, well presented and thus good. US The above is just a sample of the many comments received.