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学科主题: Chemistry ; Energy & Fuels ; Engineering
题名: Viscosity variations of coal-oil slurry under high temperature and high pressure during heating process
作者: Ren Yingjie; Zhang Dexiang; Gao Jinsheng
关键词: Coal-oil slurry ; Viscosity ; High temperature and high pressure ; Heating ; Direct coal liquefaction
刊名: Fuel Processing Technology
发表日期: 2011
DOI: 10.1016/j.fuproc.2011.07.013
卷: 92, 期:12, 页:2272-2277
资助者: West Light Scientific Research Foundation for Doctor of The Chinese Academy of SciencesNational Development Programming of Key Fundamental Researches of ChinaChinese National Programs for High Technology Research and Development (863 Plan)National Natural Science Foundation of China
摘要: Heating coal-oil slurry (COSL) is an important step in direct coal liquefaction. Some physical and chemical properties of COSL including its viscosity will change during heating. A rotary viscometer was self-designed to measure the viscosity of COSL under high pressure and temperature. Three kinds of coal, which are Yanzhou coal (middle rank and caking), Shenhua coal (low rank and non-caking) and Shengli coal (brown coal), were mixed with anthracene oil to prepare the COSL. The COSL from Yanzhou, Shenhua and Shengli at the same experimental conditions showed different viscosity variations under high hydrogen pressure during heating. Yanzhou COSL had a higher viscosity peak, while Shenhua COSL had two small viscosity peaks and in the case of Shengli COSL, no viscosity peak was present under a high hydrogen pressure during the whole heating process. The coal nature is the important factor of viscosity variations of COSL. The higher the coal rank, the more caking coal is present, and the more obvious the viscosity variations of the COSL are.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/1436
Appears in Collections:资源化学研究室_期刊论文

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作者单位: Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China;E China Univ Sci & Technol, Dept Chem Engn Energy Resources, Shanghai 200237, Peoples R China

Recommended Citation:
Ren Yingjie,Zhang Dexiang,Gao Jinsheng. Viscosity variations of coal-oil slurry under high temperature and high pressure during heating process[J]. Fuel Processing Technology,2011,92(12):2272-2277.
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