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Landia systems help fire up Taiwan’s newest biogas plants

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Taiwan’s first biogas plant to use livestock manure as its feedstock is benefiting from a proven digester mixing system made by Landia.
The new Pushige Biomass Energy Center, from a plan implemented by the Yexing Environmental Technology Company, features six of Landia’s externally-mounted GasMix systems, which have a verified track record of enhancing biogas yields.
The 18.5kW units, which were ordered by Fluid Power Co, are helping generate what will amount to approximately 876,000 kilowatt-hours of electricity each year for the Taipower grid (equivalent to the electricity capacity of 250 households) from 300 tonnes of livestock manure wastewater every day.
Benefitting from the Landia Chopper Pump, the digester mixing system draws thick liquid from the bottom of the 6,000 cubic meters tank, where solids are chopped to accelerate the digestion process and prevent clogging of pipes and nozzles.
In the first stage of the mixing process, the livestock wastewater is injected into the upper half of the digester, whilst biogas is aspirated from the top of the tank and mixed into the liquid.
This not only has the benefit of reducing buoyancy at the surface of the liquid, but also sees the rising gas bubbles continue to mix after the pumps are switched off.
Mark Lo, managing director of Fluid Power Co, said: “The early results already prove conclusively that the Landia digester mixing system is the very best for producing high levels of methane – and quickly. It is also extremely reliable and very easy to maintain.”