The result indicated that it can enhance the yield of cleaned coal, increase the slime water clarity, accelerate rate and reduce moisture content in press cake by adding PAM.

• 结果表明,添加聚丙烯酰胺可以明显提高精煤产率、尾煤灰分,亦可以提高煤泥水澄清度,显著加快过滤速度,降低滤饼水分。