German biogas and biomethane plant manufacturer WELTEC BIOPOWER (WELTEC) has commissioned a new biogas plant in Saitama Prefecture – 40km north of Tokyo – in Japan, marking the company’s fourth such plant to begin operations in the country.
Equipped with a 450-kW (kilowatt) cogeneration power plant, the new facility – along with the three pre-existing plants – uses leftover organic waste as a substrate which is introduced to the digester through a central pump.
WELTEC’s newest plant features a stainless-steel digester with a total capacity of 2,823-m3 with a diameter of 25.34m and a height of 6.3m. Its stainless-steel upstream substrate storage tank is capable of holding 336-m3 at a diameter of 9.31m and a height of 5.03m.
The plant’s modular design and focus on stainless steel components (including the 525-m3 digestate storage tank) is well-suited for Japan’s seismically active nature, according to Valdimir Bogatov, International Sales Manager, WELTEC.
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