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Viscosity variations of coal-oil slurry under high temperature and high pressure during heating process
Ren Yingjie; Zhang Dexiang; Gao Jinsheng
2011
Source PublicationFuel Processing Technology
ISSN3783820
Volume92Issue:12Pages:2272-2277
AbstractHeating 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.
KeywordCoal-oil Slurry Viscosity High Temperature And High Pressure Heating Direct Coal Liquefaction
Subject AreaChemistry ; Energy & Fuels ; Engineering
DOI10.1016/j.fuproc.2011.07.013
WOS IDWOS:000297873500009
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Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/1436
Collection资源化学研究室
AffiliationChinese 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
GB/T 7714
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.
APA Ren Yingjie,Zhang Dexiang,&Gao Jinsheng.(2011).Viscosity variations of coal-oil slurry under high temperature and high pressure during heating process.Fuel Processing Technology,92(12),2272-2277.
MLA Ren Yingjie,et al."Viscosity variations of coal-oil slurry under high temperature and high pressure during heating process".Fuel Processing Technology 92.12(2011):2272-2277.
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