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Abstract�� In this paper, the moisture regain phenomenon of dry coal is investigated experimentally. It��s found that in the rnoisture regain process there are three characteristic stages. The effect of the environmental factors, the size of coal, the initial moisture content and the method of drying on moisture regain process is analyzed.

Keywords�� s: mass transfer; moisture regain; drying

Received 1996-01-15;

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��٣��.ú��ˮ��̴��Ե�ʵ��о�[J]. ��ѧ��ҵ�빤��, 1996,13(1): 1-4

Liu Yaqin;Tang Xiao.The Experimental Investigation on Mass Tranfer Characteristics of Moisture Regain Process in Coal[J]. Chemcial Industry and Engineering, 1996,13(1): 1-4