The new Pushige Biomass Energy Center in Hualien County on the east coast of Taiwan is the first biogas plant in the country to make use of livestock manure as its feedstock, utilizing a digester mixing system made by Landia.
The plant features six of Landia’s externally mounted GasMix techniques, which improve biogas yields. The 18.5 kw units are helping generate what’s going to amount to roughly 876,000 kWh of electricity each year for the Taipower grid (equivalent to the electrical energy capacity of 250 households) from 300 tonnes of livestock manure wastewater every day within the breeding space of Sanmin, Yuli Town where eight livestock farms are residence to virtually 10,000 pigs and near 700 cows.
diaphragm seal from the Landia Chopper Pump, the digester mixing system draws thick liquid from the bottom of the 6,000 m3 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 higher half of the digester, whilst biogas is aspirated from the highest of the tank and combined into the liquid. This reduces buoyancy at the surface of the liquid, and the rising gas bubbles proceed to combine after the pumps are switched off.
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