煤直接液化残渣制备水渣浆成浆性的研究

吕冬梅 尉迟唯 白宗庆 白进 李文

引用本文: 吕冬梅, 尉迟唯, 白宗庆, 白进, 李文. 煤直接液化残渣制备水渣浆成浆性的研究[J]. 燃料化学学报, 2013, 41(12): 1437-1444. shu
Citation:  LÜ Dong-mei, YU Chi-wei, BAI Zong-qing, BAI Jin, LI Wen. Slurryability of direct coal liquefaction residue-water slurry[J]. Journal of Fuel Chemistry and Technology, 2013, 41(12): 1437-1444. shu

煤直接液化残渣制备水渣浆成浆性的研究

    通讯作者: 尉迟唯(1963- ),女,江苏南京人,硕士,高级工程师,主要从事煤的洁净利用研究。E-mail:yuchiwei@sxicc.ac.cn。
  • 基金项目:

    国家自然科学基金联合基金(U1261-209)。 

摘要: 以煤直接液化残渣制备了水渣浆,考察了粒径分布、搅拌时间、分散剂的用量及种类对水渣浆性质的影响。根据实验确定了制备水渣浆的最佳工艺参数:Alfred粒径分布模型(d280~154μmd154~74μmd<74μm 质量分数分别为14%、16%、70%),搅拌时间20 min,分散剂加入量为干渣基1.0%。实验结果表明,液化残渣制备水渣浆的定黏质量分数分别为73.5%(NSF)和71.0%(SL)。分散剂萘磺酸盐甲醛缩合物(NSF)的分散降黏效果优于改性碱木质素磺酸钠(SL),而水渣浆的流变性,分散剂SL要优于分散剂NSF。

English

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  • 收稿日期:  2013-06-11
  • 网络出版日期:  2013-08-26
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