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Feasibility of advancing the development of compact energy systems

机译：推进紧凑型能源系统发展的可行性

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It is necessary to advance the development of compact energy systems for making energy from biomass like wood or switchgrass, as an alternative to the construction of highly capital-intensive large scale biorefineries. Compact energy systems consist of four individual components: a biomass preparation unit, a biomass converter, a fuel processor, and a powered engine. The individual unit processes within each component and the possible types of compact energy systems with different biomass converter technologies like fermentation, pyrolysis, and gasification are presented. The size, weight, and energy efficiency of upgrading biomass to energy using a compact energy system with various gasification technologies has been estimated. A compact energy system with a hydrogen fuel cell as a powered-engine component, processing 10 kg of dry biomass per day, generates a net energy (kW h) of -7.5, -30, 18.7, 13.1, and 11.7 with the super-critical, microwave assisted, catalytic, steam, and conventional gasification technologies as biomass converter technologies, respectively. The low yields of super-critical gasification and low efficacy of converting electric energy to heat via electromagnetic waves with microwave assisted gasification result in negative net energy with the respective compact energy system. Finally, the challenges and opportunities with the development of low weight, small size, and highly energy efficient compact energy systems built around gasification are discussed.
机译：有必要推进紧凑型能源系统的开发，使生物质等生物量如木材或转折，作为建设高度资本密集型大规模生物档案的替代方案。紧凑的能量系统由四个单独的组分组成：生物质制备单元，生物质转换器，燃料处理器和动力发动机。提出了每个组件内的各个单元过程和具有不同生物量转换技术的紧凑型能量系统，如发酵，热解和气化等。估计使用具有各种气化技术的紧凑型能量系统将生物质升级到能量的尺寸，重量和能量效率。具有氢燃料电池作为动力发动机部件的紧凑型能量系统，每天加工10kg干生物质，产生-7.5，-30,18.7,13.1和11.7的净能量（kw h），具有超级 - 临界，微波辅助，催化，蒸汽和常规气化技术分别为生物量转换技术。通过电磁波转换电磁波的低产量和低功效，通过电磁波与微波辅助气化导致相应的紧凑型能量系统导致负净能量。最后，讨论了在气化周围建造的低重量，体积小，高度节能的紧凑型能量系统的挑战和机遇。

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    《RSC Advances》 |2019年第49期|共9页
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  • 正文语种 eng
  • 中图分类 化学;
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