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杨巧文, 武立俊, 支献华, 王祖讷
中国矿业大学学报,2003,11(6):1-5,-0001,():
-1年11月30日
研究了选择性聚团法深度脱灰机理,通过改变用油量和搅拌时间,观察了聚团形态,结果表明:随着油用量和搅拌时间的增加,聚团的平均粒度逐渐增大,精煤的灰分降低。随着pH值的增大,ζ电位的绝对值变大,分散体系越稳定。分散剂的加入使ζ电位的绝对值变大,分散荆的加量以1kg/t为好。
选择性聚团, 深度脱灰, 疏水, ζ电位
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【期刊论文】Preparation of Ultra-Clean Coal by Selective Oil Agglomeration
杨巧文, gang Qiaowen, Xu Dongyao, Xu Zesheng, Wang Zuna
Journal of China University of Mining & Technology Jun. 1998 Vol. 8 No.1,-0001,():
-1年11月30日
This paper deals with the preparation of ultra-clean coals by selective oil agglomeration. It has been found that the deashing method used has high deashing rate and high combustible recovery but low oil consumption. So it will be widely used in the future. The ash content of coal 1# and 2# is reduced to less than 1%. It has been summarized that the main factors affecting deashing are coal rank, oil consump-tion, pulp density as well as particle size.
selective oil agglomeration, ultra-clean coal, dissemination
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