Paper Title:
Experiment and Research on the Separation Process of High Ash and Difficult Floatable Fine Coal
  Abstract

As for certain high ash and difficult floatable fine coal, the coal quality characteristic is the frangible and easyly-clayed main gangue mineral kaolinite, and the high content of fine-grade and intermediate density grade materials. In order to reduce tiny slimes pollution and to increase quality and recovery rate of concentrate, we used cyclonic-static micro-bubble flotation column and XFD-3 flotation machine to experiment on separation process. It probed into re-concentration after grinding rough refined coal, classified flotation process and selective agglomeration-flotation process these three technical processes. The comparison of flotation machine test result showed that, using the flotation column as separation equipment, process of re-concentration after grinding rough refined coal could obtain the best refined coal accumulation index. When medicaments dosage is kerosene 800 g/t, GF 300 g/t, and sodium hexametaphosphate 1500g/t, refined coal production rate of flotation column is 59.47% and ash content is 10.63%.

  Info
Periodical
Advanced Materials Research (Volumes 113-116)
Edited by
Zhenyu Du and X.B Sun
Pages
1565-1571
DOI
10.4028/www.scientific.net/AMR.113-116.1565
Citation
X. H. Gui, J. T. Liu, X. X. Tao, Y. J. Cao, Y. T. Wang, "Experiment and Research on the Separation Process of High Ash and Difficult Floatable Fine Coal", Advanced Materials Research, Vols. 113-116, pp. 1565-1571, 2010
Online since
June 2010
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Price
$32.00
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