Prospective contributions of biomass pyrolysis to China's 2050 carbon reduction and renewable energy goals.

Published on Mar 16, 2021in Nature Communications12.121
· DOI :10.1038/S41467-021-21868-Z
Qing Yang27
Estimated H-index: 27
(HUST: Huazhong University of Science and Technology),
Hewen Zhou4
Estimated H-index: 4
(HUST: Huazhong University of Science and Technology)
+ 11 AuthorsMichael B. McElroy31
Estimated H-index: 31
(Harvard University)
Sources
Abstract
Recognizing that bioenergy with carbon capture and storage (BECCS) may still take years to mature, this study focuses on another photosynthesis-based, negative-carbon technology that is readier to implement in China: biomass intermediate pyrolysis poly-generation (BIPP). Here we find that a BIPP system can be profitable without subsidies, while its national deployment could contribute to a 61% reduction of carbon emissions per unit of gross domestic product in 2030 compared to 2005 and result additionally in a reduction in air pollutant emissions. With 73% of national crop residues used between 2020 and 2030, the cumulative greenhouse gas (GHG) reduction could reach up to 8620 Mt CO2-eq by 2050, contributing 13-31% of the global GHG emission reduction goal for BECCS, and nearly 4555 Mt more than that projected for BECCS alone in China. Thus, China's BIPP deployment could have an important influence on achieving both national and global GHG emissions reduction targets.
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