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Froth flotation process is used for ____________________

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Froth flotation process is used for ____________________

(a) Screening of coal

(b) Beneficiation of coal

(c) Dewatering of coal

(d) Mining of coal

I had been asked this question by my college professor while I was bunking the class.

Enquiry is from Coal Technology in section Fuels and Combustion of Engineering Chemistry II

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Correct answer is (b) Beneficiation of coal

Best explanation: Froth floatation is a process for selectively separating a hydrophobic substance. Before froth flotation the coal is crushed and grinded. Selective agglomeration process is also used for beneficiation of coal.

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