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| Effect of Particle Size of Poor Caking Coal on Coking Property |
| CHEN Jun-an，GU Yu,YAN Li-qiang,CUI Wen-quan, XIE Quan-an,LIANG Ying-hua |
| School of Chemical Engineering, Hebei United University, Tangshan 063009, Hebei, China |
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Abstract Two high rank coals (lean coal and meager lean coal) were carbonized with fat coal by mass ratio of 3/7. With adjust the size of the high rank coal through crucible coking, the influence of particle size of high rank coal on the quality of coke and coke micro-structure was investigated. The results show that with a decrease in the coal particle size, SSI, PRI and PSR of the coke increase. The influence of coal particle size on coke optical texture content is insignificant, but the influence of coal size on coke pore texture is obvious.
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Received: 18 December 2012
Published: 19 August 2013
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2013, Vol. 48 
