Potential analysis of coal-biomass co-firing power generation in China based on a spatial analysis method
ZHENG Dingqian;TIAN Shanjun;MA Sining;CHANG Shiyan;Tsinghua University-University of Alberta Joint Research Center for Future Energy and Environment,Tsinghua University;School of Information Science and Engineering,Shandong Normal University;Institute of Energy,Environment and Economy,Tsinghua University;Tsinghua University-China Three Gorges Corporation Joint Research Center for Climate Governance Mechanism and Green Low-carbon Transformation Strategy,Tsinghua University;Tsinghua-Rio Tinto Join
Abstract:
Coal-biomass co-firing power generation(CBCP) can reduce CO_2 emissions and alleviate air pollution. Considering the low energy density of straw resources, the application potential of coal-fired coupled biomass power generation technology largely depends on the spatial matching between coal-fired power plants and straw resources. Therefore, from the perspective of spatial analysis, it is of great significance to study the potential of coal-fired coupled biomass power generation. The possible potential of coal-fired coupled power generation was evaluated by spatial matching method based on high-resolution coal-fired power plants and straw resource data. The research results show that coal-fired power plants are highly spatial matched with straw resources in China, with about 89% of the collectible straw located within a 100 km radius of coal-fired power plants. The amount of co-fired straw in coal-fired power plants is affected by the energy utilization ratio of straw and the co-firing level of straw in power plants. The higher the energy utilization of straw is and the higher the co-firing level in power plants is, the more straw is that can be co-firing in coal-fired power plants. Under the scenario of the high energy utilization rate of straw and 30% co-firing level, 1 066 power plants can find straw resources within a radius of 100 km, of which 52.6% of power plants can meet the 30% co-firing level. In this scenario, the power plant can absorb 384 million ton of straw and reduce CO_2 by about 511 million ton. The results can provide technical support for the formulation of technical support policies for coal-biomass co-firing power generation and straw resource utilization policies in China.
Key Words: coal-fired power plant;coal-biomass co-firing;straw;co-firing ratio;transport distance;energy utilization ratio of biomass
Foundation: 国家自然科学基金资助项目(72140004;71673165)
Authors: ZHENG Dingqian;TIAN Shanjun;MA Sining;CHANG Shiyan;Tsinghua University-University of Alberta Joint Research Center for Future Energy and Environment,Tsinghua University;School of Information Science and Engineering,Shandong Normal University;Institute of Energy,Environment and Economy,Tsinghua University;Tsinghua University-China Three Gorges Corporation Joint Research Center for Climate Governance Mechanism and Green Low-carbon Transformation Strategy,Tsinghua University;Tsinghua-Rio Tinto Join
DOI: 10.13226/j.issn.1006-6772.CC22022801
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- coal-fired power plant
- coal-biomass co-firing
- straw
- co-firing ratio
- transport distance
- energy utilization ratio of biomass
- ZHENG Dingqian
- TIAN Shanjun
- MA Sining
- CHANG Shiyan
- Tsinghua University-University of Alberta Joint Research Center for Future Energy and Environment
- Tsinghua University
- School of Information Science and Engineering
- Shandong Normal University
- Institute of Energy
- Environment and Economy
- Tsinghua University
- Tsinghua University-China Three Gorges Corporation Joint Research Center for Climate Governance Mechanism and Green Low-carbon Transformation Strategy
- Tsinghua University
- Tsinghua-Rio Tinto Join
- ZHENG Dingqian
- TIAN Shanjun
- MA Sining
- CHANG Shiyan
- Tsinghua University-University of Alberta Joint Research Center for Future Energy and Environment
- Tsinghua University
- School of Information Science and Engineering
- Shandong Normal University
- Institute of Energy
- Environment and Economy
- Tsinghua University
- Tsinghua University-China Three Gorges Corporation Joint Research Center for Climate Governance Mechanism and Green Low-carbon Transformation Strategy
- Tsinghua University
- Tsinghua-Rio Tinto Join