File: Extraction Of Iron Pdf 180011 | 07 Extraction Of Metals
topic 2 7 extraction of metals extraction of iron extraction of aluminium extraction of titanium recycling extracting metals from their ores most metals do not occur native they exist in ...
Filetype PDF | Posted on 30 Jan 2023 | 2 years ago
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...Topic extraction of metals iron aluminium titanium recycling extracting from their ores most do not occur native they exist in compounds usually oxides or sulphides these are known as minerals a rock which contains this mineral is called an ore number methods used to extract the best method use depends on factors will successfully metal reactivity how much reactants cost raw materials vary widely what purity needed and purification expensive some useful unless very pure others impure energy does process high temperatures electrolysis lot efficiently quantities can be made continuous processes more efficient than batch there any environmental considerations produce pollutants three different considered reduction with carbon halides reactive oxide hydrogen tungsten supply infinite it essential recycle possible sulphide cannot converted directly into instead must achieved by roasting them air zns o g zno s so pbs pbo causes problems because large quantity sulphur dioxide produced one prin...