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Landfill Gas Information

This is the Enviros supported Landfill Gas (LFG) website devoted to scientific and technical issues in landfill gas, plus news and developments, including current topics of interest such as EU Emissions Trading and Clean Development Mechanism (CDM) Projects.

Flare type no longer compliant in UK.

Our aim is to provide industry and students with a useful source of information about landfill gas.

Enviros Consulting has been designing landfill sites with landfill gas migration control since the 1970s, and the extraction, flaring, and optimisation of gas utilisation, since March 1986. Modern landfill gas practises date from that time, when an explosion demolished a bungalow in Loscoe, Derbyshire, UK. For the first time in the UK, and probably also worldwide, both the possibilities and the hazards presented by landfill gas, were truly appreciated, and we have been leading consultants in landfill gas management and emissions control ever since.

They say that zero waste is on its way, and the day of the landfill is past - but dislike it as almost everyone does, most landfill sites will still be with us, and will continue to be filled for at least the next 20 years. For at least the next 10 years the input rates will not even, it is thought, fall greatly - 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 from that report. The blue line shows an inexorable rise in MSW generated, 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 handle the increasingly varied waste sources, to the measures necessary to comply with new gas emissions and carbon dioxide management (CDM) requirements as landfill operators implement the EU Landfill Directive, and IPPC Regulations.

Probably the greatest challenge in LFG management in the UK will be the adoption of suitable technologies to meet the recently announced and stringently reduced emissions rates required of the newly PPC Permitted landfills. The emissions rates required by the new regulations, will be very low indeed, and we are currently undertaking UK research work to investigate new techniques to achieve these new limits.

Topics already discussed in this web site, and those which are planned, include the following:

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