Pyrometallurgical processes – part IV Flashcards by Thomas Hasiweder | Brainscape

Q

‘High temperature processing IV’

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Q

Metal production from sulphides

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Q

Ellingham diagram for sulphides

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Q

Ellingham diagram for oxides

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Q

So we need a pH2/pH2S of 104 /1 (vs. a pH2/pH2O of 1/106 )

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Q

Predominance diagram

Matte + O2

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Q

Copper production

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Q

Predominance diagram

Molten FeS-Cu2S + air

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Q

Copper production: (1) Slag forming stage

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Q

Copper production: (1) Slag forming stage

diagram

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Q

Copper production: (2) Copper making stage

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Q

Copper production

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Q

Metal production from halides

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Q

Ti production from chloride

remember

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Q

Ti production from chloride

Metallothermic reduction

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Q

Purification

A

Q

Purification – forming of compounds

A

Q

Lead refining

A

Q

Iron and steel refining

A

Q

Iron and steel refining

Mass and energy balance

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Mass and energy balance

Q

Iron and steel refining

3 steps

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Q

Purification - Vacuum refining

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Q

scheme of rh process

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Q

Purification - Zone refining

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Q

relation of initial liquid and solid formed

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Q

concentration of solutes

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Q

range of particle sizes produced

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Q

techniques used in gas streams

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Q

EHS issues

A