Wuhe Agricultural Biomass Power

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Project details

Taking advantage of agricultural residues from rice husk and wheat, rice, maize and cotton straw to create a source of renewable energy, this Verified Carbon Standard (VCS) project in Eastern China generates electricity from biomass.

Region
China
Project type
Agricultural methane biogas
Standard
The Verified Carbon Standard (VCS)

Bengbu, which literally means Oyster Quay, was once referred to as the Pearl City. Today it is best known for its food production (44% of the municipality’s industrial production). Other industries include engineering works, textiles, glass making, chemicals, and electronics. Until 2006, there were no projects which generated power through biomass combustion (within the range of 15-100 MW installed capacity) in China. Since then, all projects of this scale have been developed using carbon finance which provides the essential financial support to make them viable when competing with cheaper fossil fuel options.

The Wuhe Agricultural Biomass Power project has installed two sets of Circulating Fluidized Bed (CFB) boilers and two sets of 12MW steam turbines and generators. The CFB boilers work by suspending the biomass on upward-blowing jets of air during the combustion process, resulting in a turbulent mixing of gas and solids and therefore more efficient heat transfer to the steam turbines.

The project reduces an average of 106,559 tCO2e per year of CO2 emissions by displacing electricity from coal-fired power plants, and provides approximately 126,720 MWh of net electricity per year to the East China Power Grid. Additionally, the project reduces methane emissions by using the biomass residues which would otherwise be dumped or left to decay under mainly aerobic conditions, or burned in the farmers’ fields.

 

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