Extraction of Cu Flashcards by Shreeya Gupta | Brainscape

Q

concentration method (Cu)

A

froth - floatation

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Q

oxidation (Cu)

A

roasting

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Q

roasting is done in (Cu)

A

reverberatory furnace

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Q

products of oxidation (Cu)

A

Cu2S, FeS, SO2

As impurities form As2O3

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Q

flux (Cu)

A

SiO2 (acidic)

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Q

gangue (Cu)

A

FeO

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Q

slag (Cu)

A

FeSiO3

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Q

copper matte (Cu)

A

Cu2S + FeS

result of blast furnace

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Q

copper matte is put in (Cu)

A

bessemer convertor + SiO2 + air

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Q

self reduction (Cu)

A

Cu2S + 2Cu2O → 6Cu + SO2

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Q

copper from bessemer convertor is known as

A

blister copper (98% pure)

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Q

conversion of copper to blister copper is known as

A

bessemerisation

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Q

refining method (Cu)

A

electrolytic refining

2. poling

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Q

anode mud of Cu contains

A

Ag, Au

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Q

Cu can also be extracted from low grade ores by

A

hydrometallurgy

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