期刊
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION
卷 174, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cep.2022.108859
关键词
Resistance analogy analysis; Supercritical water gasification; Process intensification; Process resistance; Coal
资金
- National Key R&D Pro-gram of China [2020YFA0714400]
Resistance analysis is often limited to specific fields, but engineering applications require the coupling of multiple resistances. Supercritical water gasification offers a clean and low-carbon way for coal hydrogen production, with complete gasification being a prerequisite for industrialization. This paper introduces a novel idea of multi-component resistance analogy analysis to reduce process resistance and achieve process intensification by focusing on interface reaction, boundary layer, and vertex diffusion. Further research will focus on applying resistance analogy analysis to general multiphase flow and optimizing reactor design and scale-up.
Resistance analysis widely focuses on many aspects of scientific research such as flow, heat transfer, and electrical conductivity. However, resistance analysis is often limited to a specific field, and engineering applications (such as supercritical water gasification process) often require the coupling of multiple resistances. Supercritical water gasification (SCWG) provides a clean and low-carbon way of coal utilization for hydrogen production. Realizing the complete gasification of coal under mild temperature conditions is the prerequisite for the industrialization of this technology. Therefore, measures must be taken to reduce the process resistance and accomplish the process intensification. In this paper, a novel idea of multi-component resistance analogy analysis was applied to solve this problem from the perspective of intensification of interface reaction, boundary layer, and vertex diffusion, respectively. Based on the current research progress and outstanding issues, the further research will focus on the application of resistance analogy analysis to general multiphase flow and reactor optimization design and scale-up.
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