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Effect of Oleic Acid on Froth Properties and Reverse Flotation Performance of Thermal Coal

Effect of Oleic Acid on Froth Properties and Reverse Flotation Performance of Thermal Coal Reverse flotation was proposed as a potential method for the upgradation of low rank thermal coal. Higher combustible matter recovery in the float could be obtained using reverse flotation method compared to conventional flotation method. In order to reduce the entrainment of fine particles, oleic acid (OA) was used as froth regulator in coal reverse flotation process. Experimental data showed that the total volume of froth product in the absence of OA was almost 3 times more than that in the presence of 0.45 kg/Mg OA dosage. Reverse flotation results showed that the ash content of froth product increased with the increase of OA dosage which indicated that the entrained coal particles could be decreased by the addition of froth regulator OA. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Transactions of the Indian Institute of Metals Springer Journals

Effect of Oleic Acid on Froth Properties and Reverse Flotation Performance of Thermal Coal

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References (24)

Publisher
Springer Journals
Copyright
Copyright © 2018 by The Indian Institute of Metals - IIM
Subject
Materials Science; Metallic Materials; Materials Science, general; Tribology, Corrosion and Coatings
ISSN
0972-2815
eISSN
0975-1645
DOI
10.1007/s12666-018-1342-8
Publisher site
See Article on Publisher Site

Abstract

Reverse flotation was proposed as a potential method for the upgradation of low rank thermal coal. Higher combustible matter recovery in the float could be obtained using reverse flotation method compared to conventional flotation method. In order to reduce the entrainment of fine particles, oleic acid (OA) was used as froth regulator in coal reverse flotation process. Experimental data showed that the total volume of froth product in the absence of OA was almost 3 times more than that in the presence of 0.45 kg/Mg OA dosage. Reverse flotation results showed that the ash content of froth product increased with the increase of OA dosage which indicated that the entrained coal particles could be decreased by the addition of froth regulator OA.

Journal

Transactions of the Indian Institute of MetalsSpringer Journals

Published: May 30, 2018

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