Landfill site licensing fuels demand for specialist aftercare management
Landfill site operators face heavy responsibilities under site licensing legislation to ensure the proper aftercare of sites in the long-term future, generating a growing need for specialist management of areas such as risk, cost and resources. LAWE reports on the service offered by a leading company in this increasingly active sector, Biogas Technology
Landfill management company, Biogas Technology, specialises in gas and leachate
systems and aftercare.
Assessment and recommendation normally starts with a site survey, including
desk-top study of relevant information, and an assessment of the performance
of any existing gas and leachate control measures. This leads to the company’s
recommendations for the management of gas and leachate and preparation of the
The aim of the plan will be to provide reliable and cost-effective compliance
with all licence and regulatory requirements whilst optimising activity within
the site to shorten the time until it is rendered inert.
Where gas arising from the site can be utilised this will opportunity will
be identified along with the potential for income to offset the cost of implementing
System design and installation
Once the aftercare plan has been agreed with all the relevant parties the next
step is the detailed design of any systems required for the effective control
and monitoring of gas and leachate, or upgrade of existing facilities, as appropriate.
The system may involve some, or all of the following:
- gas extraction and flare system
- leachate extraction, treatment and recirculation or discharge
- comprehensive field collection pipework system
- gas utilisation/power generation
- automatic borehole monitoring
An important element in aftercare management is the rigorous implementation
of a monitoring and maintenance programme for the site and the systems installed
in order to ensure their continuing effectiveness throughout the necessary period.
Borehole monitoring will either be carried out manually or remotely on a regular
basis and the systems adjusted to maintain optimum control in response to changing
conditions. Regular reports will be provided detailing results and consequent
actions as proposed or completed.
All systems will be maintained and supported by Biogas Technology’s dedicated
Customer Care division which offers a comprehensive 24-hour contact and breakdown
The Biogas aftercare plan is designed to provide operators with assurance that
their long-term investment in landfill is both sound and environmentally responsible.
Biogas offers a single point accountability at each stage of aftercare and
states that it guarantees the performance of its operations.
The aftercare management aftercare service draws on the company’s expertise
in landfill gas and leachate management.
The company provides a full range of other services in this area, including
pumping trials and site assessment, gas and leachate plant hire, gas collection
systems, gas extraction and flare systems, leachate control and recirculation,
gas utilisation plant, site monitoring and instrumentation and renewable energy
Biogas also announced several new developments recently, notably BioPump leachate
pumps. These are automatic and only switch on when required, with the aim of
helping the user to keep costs down and remain compliant with licence requirements.
The company has also completed a membrane plant which uses a series of membranes
to separate methane and carbon dioxide.
The resulting methane rich gas can be used for various applications, including
vehicle fuel. Benefits cited for this patented technology include reduced emissions,
elimination of black smoke from diesel engines, cost reductions and the utilisation
of an otherwise wasted resource.
Biogas also reports that the year has seen record sales of its flare and aftercare
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