Advertisements
Advertisements
Question
What happens when Copper matte is charged into silica lined converter and hot air blast is blown?
Advertisements
Solution
When copper matte is charged into silica line converter and hot air is blown it convert remaining FeS, FeO, And Cu2S/Cu2O to metallic copper
2FeS + 3O2 → 2FeO + 2SO2
FeS + SiO2 → FeSiO3
2Cu2S + 3O2 → 2Cu2O + 2SO2
\[\ce{2Cu2O + Cu2S→ \underset{(Blister Cu)}{6Cu + SO2}}\]
APPEARS IN
RELATED QUESTIONS
Explain the principle of the method of electrolytic refining of metals. Give one example.
Describe a method for refining nickel.
Out of PbS and PbCO3 (ores of lead), which one is concentrated by froth floatation process preferably?
What happens when NaCN is added in an ore containing PbS and ZnS during concentration by froth floatation method?
Match the items of Column I with the items of Column II and assign the correct code:
| Column I | Column II |
| (A) Coloured bands | (1) Zone refining |
| (B) Impure metal to volatile complex | (2) Fractional distillation |
| (C) Purification of Ge and Si | (3) Mond Process |
| (D) Purification of mercury | (4) Chromatography |
| (5) Liquation |
Assertion: Nickel can be purified by Mond process.
Reason: \[\ce{Ni(CO)4}\] is a volatile compound which decomposes at 460 K to give pure Ni.
Assertion: Zone refining method is very useful for producing semiconductors.
Reason: Semiconductors are of high purity.
Refining using liquation method is the most suitable for metals with ______.
Describe a method for refining nickel.
Describe a method for refining nickel.
