International Journal of Science , Engineering and Management (IJSEM)

Monthly Journal for Science , Engineering and Management

Volume2,March 2017,

Topic : Recovery of Coal by Froth Flotation Equipment

Authors:M.Shireesha || N.Rama,P.Harini, A.Mounika, K.Dinesh

Abstract:- Coal in India and worldwide, is cleaned predominantly by dense medium separations. But when it comes to cleaning of fine coals such as mine dust, slack coal, washing rejects and slurries, froth flotation method of coal cleaning has better efficiency and handling. In this method of wet cleaning, froth is made in a flotation cell by bubbling air through water in presence of frothing agents, collecting agents on addition pure and light coal adhere to air bubble while the dirtier part sinks to bottom of the cell. Thus clean coal is recovered from the collected froth amount. In this current project froth flotation was being carried in a fixed froth flotation cell used in the laboratory. Runs of froth flotation have been carried out using the same stock of coal but varying the size of coal fines, concentration of coal slurries and different doses of collecting agents, frothing agents and of their mixtures. After the completion of the process the slurry consisting coal is collected and dried in atmospheric conditions. In order to measure the ash content, moisture content, volatile content, and fixed carbon in recovered coal were calculated by proximate analysis. Effect of size of particles in slurry was very much visible while the recovery was enhanced when higher dose of collecting agents and frothing agents were used. Use of advanced frothing agents and collecting agents can be studied further in this direction. .

Keywords: Coal cleaning, Froth flotation, Frothing agents, Collecting agents, coal analysis

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DOI: 01.1617/vol4/iss3/pid10873


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Editor-in-Chief

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Dr.Muhammad Ishtiaq,
Mirpur University of
Science & Technology,
Mirpur, Azad Kasmir.

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IMPACT FACTOR: 2.7

ISSN(Online): 2456-1304

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Thomson Reuters ID : q-6288-2016.
ORCiD Research ID : 0000-0001-9540-6799

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ACCEPTANCE RATIO: 25%
ARTICLES PUBLISHED:00007
PAPER RECEIVED:000028
Journal Code : IJSEM
Electronic ISSN : 2456-1304
Impact Factor : 2.7
Frequency : Monthly
Contact : editor@ijsem.org

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