This paper presents a new synergistic and integrated utilization scheme (URIRP) for low-carbon recycling of urban and rural organic waste (UROSW) in China. Through life cycle assessment of organic waste data from 34 provincial-level regions, URIRP, primarily producing organic fertilizer and biochar, reduced annual life cycle carbon emissions from 6.9 Mt CO₂e to 2.83 Mt CO₂e. This reduction offsets 6% of electricity sector emissions via carbon sequestration and fossil fuel displacement. URIRP also promotes nutrient recycling, reduces air pollutants, increases topsoil organic matter, and improves economic efficiency.
Publisher
npj Sustainable Agriculture
Published On
Jun 07, 2024
Authors
Kai Zhou, Yongze Li, Yazhou Tang, Yuchen Yang, Ganpei Tian, Bo Liu, Bo Bian, Chao He
Tags
low-carbon recycling
organic waste
China
life cycle assessment
carbon emissions
nutrient recycling
economic efficiency
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