Sweden-based Cleanergy has launched a new Stirling engine-based genset, which is says has been specifically developed to generate electricity and heat from low-quality methane gas that is being emitted from landfill sites over ten years old.
"There is a myriad of Combined Heat and Power (CHP) systems available for generating electricity and heat from newer landfill sites, but once the quality of the methane decreases, the only option has been flaring," says Anders Koritz, CEO at Cleanergy.
Cleanergy says its new GasBox technology addresses this specific problem and is able to produce both electricity and heat from a methane gas concentration down to 18%. This could extend power production at landfill sites by around 20 years, Cleanergy says.
Installed inside a modular container, Cleanergy's GasBox is an autonomous and flexible Stirling engine unit. Also inside the container is a real-time power management system with remote access; a fuel pipe; plus a heat and electricity connection to a house/factory/warehouse with optional grid functionality. Power output is capped at 9kW per GasBox engine unit.
GasBox is already commercially deployed at several locations in Sweden and at the 32-year-old Yggeset waste disposal park in Norway. It has also been installed at closed landfill sites in the UK, and also in Poland, as part of a EU-funded project (ACUMEN, The Assessing, Capturing and Utilising Methane from Expired and Non-Operational Landfill project).
There are over 1900 landfill sites in Europe that are over 10 years old, Cleanergy says.
Photo: Cleanergy's GasBox
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