เพรสเชอร์เกจวัดแรงดันน้ำ in Hualien County on the east coast of Taiwan is the first biogas plant within the country to use livestock manure as its feedstock, using a digester mixing system made by Landia.
The plant options 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 approximately 876,000 kWh of electricity every year for the Taipower grid (equivalent to the electricity capacity of 250 households) from 300 tonnes of livestock manure wastewater every single day in the breeding space of Sanmin, Yuli Town where eight livestock farms are house to nearly 10,000 pigs and near 700 cows.
Benefitting 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 course of and stop 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 combined into the liquid. This reduces buoyancy at the floor of the liquid, and the rising fuel bubbles continue to mix after the pumps are switched off.
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