Chapter 2 - Leaching Flashcards by Thomas Hasiweder

Q

General principles

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Q

Leaching processes

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Q

Leaching reactions (1)

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Q

Leaching reactions (2)

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Q

Lixiviants

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Q

Sulphuric vs Hydrochloric Acid

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Q

Pretreatment

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Q

Roasting of sulphide minerals

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Q

Rotary kiln

scheme

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Q

Rotary kiln

general

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Q

Fluidised bed reactor

scheme

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Q

Fluidised bed reactor

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Q

Leaching technologies

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Q

Processing routes for leaching of various ore grades

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Q

In-situ leaching (1)

general

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Q

In-situ leaching

scheme theory

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Q

In-situ leaching

scheme practical

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Q

In-situ leaching

advantages vs disadvantages

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Q

Dump leaching (1)

general

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Q

Dump leaching

scheme

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Q

Heap leaching (1)

general

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Q

Heap leaching (2)

which minerals?

vs dump leaching?

particle size distribution

Study These Flashcards

A

Q

Heap leaching (3)

scheme

Study These Flashcards

A

Q

Heap leaching (4)

slope

Study These Flashcards

A

Vat leaching (1) general

Vat leaching (2) advantages vs disadvantages

Vat leaching (4) plant

Vat leaching (5) counter-current

Tank leaching (1) general

Tank leaching (2) pachuca

Tank versus vat leaching

Pressure leaching (1) general

Ammoniacal leaching (1) general

Ammoniacal leaching (2) modes

Ammoniacal leaching (3) distribution

Sherritt Gordon process (1) general

Sherritt Gordon process (2): general flowsheet

Arbiter process

Bioleaching (1) general

Bioleaching (2) molecules

Bioleaching (3) bacteria

Bioleaching (4) difficulties modes

Acid mine drainage (AMD) (1) genneral

Metal recovery (1) general

Metal recovery (2) flowsheet

Cementation (1) general

Cementation (3) steps & limitations

Cementation (4) Au&Ag Zn

Reduction by hydrogen gas

Electrowinning (1) general

Electrowinning (2) plant

Electrorefining (1) general

Electrorefining (2) practical

Adsorption onto activated carbon