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picture1_Extraction Of Iron Pdf 179822 | 5 4 Metal Extraction


picture2_Extraction Of Iron Pdf 179822 | 5 4 Metal Extraction picture3_Extraction Of Iron Pdf 179822 | 5 4 Metal Extraction

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File: Extraction Of Iron Pdf 179822 | 5 4 Metal Extraction
Metal extraction Converting sulphides to oxides The occurrence of metals in the Earth's crust Sulphides ores are usually converted to oxides before •Rocks that contain a high enough ...

icon picture PDF Filetype PDF | Posted on 30 Jan 2023 | 2 years ago
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...Metal extraction converting sulphides to oxides the occurrence of metals in earth s crust ores are usually converted before rocks that contain a high enough percentage by roasting with oxygen be extracted commercially known as most important ore zinc is mostly sulphide zns o zno so aluminium and iron abundant or copper can from i cus cuo compounds found but oxide then reduced suitable reducing agent such carbon sulphur dioxide an acidic gas form acid rain if released into atmosphere used however sulphuric contact process which method depends on methods energy requirements involves reduction uses large amounts electricity heat this compound done one following ways cost reductant heating coke cheap widely sometimes hydrogen more reactive required very costly active electrolysis purity higher greater obtaining n goalby chemrevise org monoxide effective readily theory all way for available agents some temperature excessively manganese using c co carbides formed rather than itself e g tungs...
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