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Enviros Consulting: Experts in Landfill Gas from Gas Yield Modelling and CDM/Carbon Credits, to extraction system design. Including supervision of installation and monitoring.
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Site first uploaded: September 2003 Site last updated:
Our eBook "An Introduction to Landfill Gas Extraction" is a unique publication which gives an explanation of how to design and install landfill gas extraction systems on containment landfills. Find out more here.
WELCOMEto our website!
OUR MISSION: To be your source for
LANDFILL GAS INFORMATION
Hi! We are upgrading this site. We apologize if you see parts of the site which are not working during this period.
Our aim is to provide those involved in the renewable energy, resource and waste management industries and students, with a useful source of information about landfill gas from the processes that produce it to the production of sustainable renewable energy from it.
The site is United Kingdom based and draws extensively on UK experience, where modern landfill gas practices date from the 1980s when there where several landfill gas accidents.
There was high publicity when an explosion demolished a bungalow in Loscoe, Derbyshire, UK.
It was in the same period that for the first time, certainly in the UK and no doubt also worldwide, both the possibilities and the hazards presented by landfill gas, were truly appreciated.
It has been said in some circles that with improving recycling rates "zero waste" is on its way, and the day of the landfill is past.
But dislike it as almost everyone does, many nations enjoying growth and prosperity for the first time are building ever larger landfills. Indeed even where high recycling rates are being achieved, many large landfill sites remain in use, and will still be open for at least 10 to 15 years.
For many growing economies for at least the next 10 years their input rates will continue to grow. Even in the developed nations where the progressive reduction of Biological Municipal Waste to landfill is in progress, waste inputs to landfill will not fall to below 50% within the next 5 years - despite waste minimisation, recycling and pre-treatment.
This fact can be deduced from a UK government report. Click here to view the Prime Minister's Office report (see page 3). Figure 2, below is reproduced from that report. The blue line shows an inexorable rise in MSW generated, only now (2009) trending slightly downward while the pink line represents the expected residual tonnage of MSW to be landfilled each year.
In many UK communities, with year on year increases in total waste tonnages still increasing by 3%, annual UK landfill input tonnages may actually continue to rise in the long term.
Right: Click on the image to view a larger version
Challenges abound for the landfill gas industry, from optimising yields and profits from LFG power generation, to extending the techniques available to extract methane from lower quality and lower flow gas flow producing landfills with lower calorific value.
We also discuss the requirements to comply with new gas emissions and Clean Discharge Mechanism (CDM) requirements as landfill operators comply with national and international standards in the EU Landfill Directive, and Environmental Permitting to comply with the EU IPPC Regulations.
Topics already discussed in this web site, and those which are planned, include the following (Click to visit):
