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。
Losing fine cleaned coal is recovered by the study of fine cleaned coal treatment technology in centrifugal liquid, which would improve the cleaned coal yield and enterprise economic benefit.
通过对离心液末精煤处理工艺的研究，回收离心液中损失的末精煤，以提高精煤产率和企业经济效益。
The cleaned coal yield before and after ultrasonic treatment, the effect of flotation desulfurization and flotation speed were studied.
笔者对煤泥超声处理前后浮选的精煤产率、浮选脱硫效果、浮选速度等方面进行了试验研究。
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