University of Groningen
Quantifying and mapping bioenergy potentials in China Zhang, Bingquan
DOI:
10.33612/diss.168012388
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Publication date: 2021
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Zhang, B. (2021). Quantifying and mapping bioenergy potentials in China: Spatiotemporal analysis of technical, economic and sustainable biomass supply potentials for optimal biofuel supply chains in China. University of Groningen. https://doi.org/10.33612/diss.168012388
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1. The area of identified marginal degraded land that is technically available for energy crop cultivation is even larger than the area of arable land in China. This also leaves plenty of room for improving these degraded lands for agricultural production and environmental protection. (Chapter 2)
2. Biomass resources are substantial with a technical potential of Miscanthus and switchgrass from the identified marginal land accounting for around 26% and 32% of the primary energy consumption of China in 2017 and 2040, respectively, while bioenergy production is currently low and its contribution to the future energy mix was underestimated in China.(Chapter 2)
3. Using energy crops from marginal land and agricultural residues for biofuel production could be more economically competitive in the future with improved plant breeding technologies, advanced machinery, and carbon policies.(Chapter 3 and 4)
4. Mobilizing more agricultural residues for biofuel production will come at a cost of reduced soil organic carbon stock if conservative soil management such as no-tillage and application of organic fertilizer is not implemented. (Chapter 4)
5. The energy crop-based biofuel production could be located in South China, while the agricultural residue-based bio-economy could be developed in the middle-east and north-east of China according to the spatial distributions of biomass resources. (Chapter 2 and 4)
6. The methodologies for quantifying and mapping biomass potentials are universal and can be adopted in other regions using region-specific data with high spatial resolution. (Chapter 2 to 4) 7. The optimization approach for the biofuel supply chain should always include multiple sustainability criteria concerning GHG emission, soil organic carbon balance, and probably water footprint. (Chapter 5)
8. While the GHG mitigation potential of biofuel value chains can be further enhanced by directly implementing carbon capture and storage (CCS) facilities or indirectly using carbon-neutral energy inputs, the economic viability of the biofuel value chain integrated with CCS still needs further investigation.
9. The Chinese implicit thinking should be transformed to a more straight pattern when you live in the Netherlands, especially expressing your opinions concretely rather than superficially. 10. A man doesn’t need brilliance or genius, all he needs is Energy. (by Albert M. Greenfield)
