GATE 2016 Extractive Metallurgy Solution

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00:00 Introduction 00:33 Roasting sulphide ore 03:03 Match type extraction processes 06:15 Sub-lance BOF 07:20 Wustite formula 08:19 DRI Total Fe 12:23 Heat transfer 16:35 BOF mass balance 22:50 Sieverts law

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