Properties of coal and bio-oil slurry

WANG Yong-wei; WANG Ze; SONG Wen-li; LIN Wei-gang; WU Wen-long

Volume 41 Issue 05

May 2013

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Article Navigation > Journal of Fuel Chemistry and Technology > 2013 > 41(05): 565-570

WANG Yong-wei, WANG Ze, SONG Wen-li, LIN Wei-gang, WU Wen-long. Properties of coal and bio-oil slurry[J]. Journal of Fuel Chemistry and Technology, 2013, 41(05): 565-570.

Citation:

WANG Yong-wei, WANG Ze, SONG Wen-li, LIN Wei-gang, WU Wen-long. Properties of coal and bio-oil slurry[J]. Journal of Fuel Chemistry and Technology, 2013, 41(05): 565-570.

WANG Yong-wei, WANG Ze, SONG Wen-li, LIN Wei-gang, WU Wen-long. Properties of coal and bio-oil slurry[J]. Journal of Fuel Chemistry and Technology, 2013, 41(05): 565-570.

Citation:

WANG Yong-wei, WANG Ze, SONG Wen-li, LIN Wei-gang, WU Wen-long. Properties of coal and bio-oil slurry[J]. Journal of Fuel Chemistry and Technology, 2013, 41(05): 565-570.

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Properties of coal and bio-oil slurry

1.
State Key Laboratory of Multi-Phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
2.
Electric Power Research Institute of Henan Electric Power Corporation, Zhengzhou 450052, China

Received Date: 2012-10-26
Rev Recd Date: 2012-12-17
Publish Date: 2013-05-30

Abstract

Abstract

Coal bio-oil slurries (CBS) with different coal concentrations were prepared by mixing different type of coal and bio-oil. The apparent viscosity, rheological properties, maximum solid concentration and static stability of the prepared CBS were examined. The result shows that CBS are non-Newtonian fluid with a certain yield stress, and the rheological behavior of CBS can be described by the Bingham plastic fluid model. Both the apparent viscosity and the yield stress of CBS increase with increasing of solid concentrations. The apparent viscosity decreases with increasing of shear rates. The solid concentration of stable CBS prepared by Yangquan anthracite can reach as high as 42% without any additives, followed by bituminous coal and lignite. The flocculation network structure formed by coal particles in the bio-oil can keep good static stability of CBS for 4.0~5.0 days without formation of soft sediment, and for months without hard sediment.
- bio-oil,
- coal bio-oil slurry,
- rheological behavior,
- apparent viscosity,
- static stability

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References(19)

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