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Experiment Research on Slurry Ability Improvement of Shenhua Low Ranking Coal
Author(s): 
Pages: 111-113
Year: Issue:  1
Journal: Coal Science and Technology

Keyword:  低阶煤热力改性温度成浆性;
Abstract: 针对低阶煤内在水分含量高、含氧官能团多、难以制备高浓度水煤浆的特点,根据煤炭成浆性数学模型及评定煤成浆性指标,对神华2种低阶煤进行了成浆性分析,并进行了热力改性及成浆性试验研究.结果表明,随着改性温度的提高(200~350℃),2种低阶煤的内在水分含量、挥发分产率大幅度降低,氢含量和氧碳比也明显下降,热力改性不仅可以显著改善低阶煤的煤质特性,而且其成浆浓度随着改性温度的升高而提高.
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