earth science

Recovery (mineral processing)

Recovery (mineral processing) is a earth science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Recovery (mineral processing) rather than just read about it. In short: In mineral processing, recovery or recovery rate is the mass fraction of a valuable mineral that is carried over in a beneficiation process from the ore feedstock to the concentrate. For example, 90% recovery of a metal indicates that 10% were "rejected", sent by the ore mill into the tailings along with the gangue: r e c o v e r y = mass of valuable mineral in concentrate mass of valuable mineral in feed {\displays…

Key takeaways

Recovery (mineral processing) belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Recovery (mineral processing) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Recovery (mineral processing) from memory before moving on to harder problems.

Reference excerpt

In mineral processing, recovery or recovery rate is the mass fraction of a valuable mineral that is carried over in a beneficiation process from the ore feedstock to the concentrate. For example, 90% recovery of a metal indicates that 10% were "rejected", sent by the ore mill into the tailings along with the gangue:

r e c o v e r y = mass of valuable mineral in concentrate mass of valuable mineral in feed {\displaystyle \mathrm {recovery} ={\frac {\mbox{mass of valuable mineral in concentrate}}{\mbox{mass of valuable mineral in feed}}}}

In cases where a valuable metal, for example iron (Fe) is being recovered from a range of minerals, such hematite (Fe2O3), goethite (FeO(OH)) and magnetite (Fe3O4) from iron ore, the definition is broadened:

r e c o v e r y = mass of elemental metal in concentrate mass of elemental metal in feed {\displaystyle \mathrm {recovery} ={\frac {\mbox{mass of elemental metal in concentrate}}{\mbox{mass of elemental metal in feed}}}}

In such cases, terminology like iron recovery or 'recovery (%Fe)' is used. The term weight recovery (also referred to as yield) is also applied, and refers to ratio of the mass of concentrate to the mass of feed:

w e i g h t r e c o v e r y = mass of concentrate mass of feed {\displaystyle \mathrm {weightrecovery} ={\frac {\mbox{mass of concentrate}}{\mbox{mass of feed}}}}

Recovery features in grade-recovery curves that communicate how 'upgrading' an ore often comes at the cost of decreasing recovery.

References

Sources Wills, Barry A.; Finch, James A. (2016). "Introduction". Wills' Mineral Processing Technology. Elsevier. 1.9.2 Recovery. doi:10.1016/b978-0-08-097053-0.00001-7. ISBN 978-0-08-097053-0. Retrieved 2025-07-07.

Worked examples

Example 1 — a first encounter with Recovery (mineral processing)

Start with the simplest possible case. Write down what Recovery (mineral processing) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Recovery (mineral processing) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Recovery (mineral processing) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Recovery (mineral processing)

In research: Recovery (mineral processing) appears in earth science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Recovery (mineral processing) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Recovery (mineral processing) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Mineral processing, Mining stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Recovery (mineral processing) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Recovery (mineral processing) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Recovery (mineral processing) means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Recovery (mineral processing) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Recovery (mineral processing) in simple terms?

Why does Recovery (mineral processing) matter?

Because it connects several earth science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Recovery (mineral processing)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Recovery (mineral processing).