by Rajan Gupta | Aug 28, 2020 | Metals
The metal obtained by the methods in previous article is usually impure. So, it is to be purified. The method used for refining of metal depends on the nature of metal and impurities present in it. Some common methods which are used for purification of impure metals...
by Rajan Gupta | Aug 28, 2020 | Metals
The process of converting metal oxides into metals is called reduction. For reduction, different types of reducing agents are used depending on the reactivity of ores. The commonly used methods for reduction are : 1. Reduction by Heat (pyrometallurgy) The oxides of...
by Rajan Gupta | Aug 28, 2020 | Metals
After the concentration of ores, the sulphide or carbonate ores of some metals are converted into metal oxides because it is easier to obtain metals from their metal oxides as compared to metal sulphides or metal carbonates. The sulphide ores of metals can be...
by Rajan Gupta | Aug 28, 2020 | Metals
Before extracting the metal from an ore, it is necessary to remove the impurities present in it. By removing these impurities we get a concentrated ore which contains a high percentage of metal in it. The process of removal of gangue particles from ore to increase the...
by Rajan Gupta | Aug 28, 2020 | Metals
Metallurgy is the process of obtaining metals from ores. It may be defined as the processes which are involved in the extraction of metals from their ores and then refining them for use are known as metallurgy. Steps of Metallurgy: Metals can be extracted from their...
by Rajan Gupta | Aug 28, 2020 | Metals
Minerals Minerals are the inorganic elements or compounds which are found naturally in earth’s crust. Some minerals contain a high percentage of the particular metal and the metal can be extracted from them. Minerals may or may not contain objectionable impurities....
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