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Buyer question / selection note

Should I choose wet or dry magnetic separation for iron ore?

For fine strongly magnetic ores in beneficiation circuits, wet drum separation is usually preferred. Dry separation is more common for dry feed conditions, coarser pre-concentration, or where water availability is constrained.

Technical review updated July 11, 2026

01 / Decision summary

Quick takeaways

  1. 01Wet separation is common for fine magnetite upgrading circuits.
  2. 02Dry separation is useful when water is limited or feed is dry.
  3. 03Feed size and moisture determine the first routing decision.
  4. 04Circuit position matters as much as separator type.

02 / Engineering notes

Selection guidance

01

When wet separation is preferred

Wet drum separators are often selected for fine particle magnetite circuits because slurry handling supports better grade-recovery control in many beneficiation plants.

02

When dry separation is preferred

Dry magnetic routes are selected where water is constrained, feed is naturally dry, or the separator is used earlier as a pre-concentration step.

03

Practical selection checklist

Confirm ore magnetic susceptibility, feed size distribution, available water balance, and required concentrate quality before locking the equipment type.

03 / Visible FAQ

Frequently asked questions

01
Is wet separation always better for iron ore?
Not always. It depends on ore type, feed moisture, and plant constraints. Wet is common for fine magnetite circuits but not universal.
02
Can dry and wet magnetic stages be combined?
Yes. Some flowsheets combine both to match different size fractions and improve overall circuit economics.
03
What usually causes poor magnetic separation performance?
Common issues include unstable feed density, unsuitable feed size, and circuit settings that are not matched to ore magnetic behavior.

Review model specifications and application limits before requesting a quote so the supplier can check the recommendation against a defined duty.

01

CTB Magnetic Separator

The CTB wet-drum magnetic separator is intended for strongly magnetic minerals such as magnetite and for selected iron-removal duties. Recovery and concentrate grade depend on mineralogy, liberation size, field strength, drum loading, and tank configuration.

02

Ball Mill

Ball mills for wet or dry grinding after crushing in copper, gold, iron ore, graphite, and limestone circuits. Overflow or grate-discharge configurations can serve primary grinding, regrinding, or closed-classifier loops before flotation, magnetic separation, or gravity recovery.

Project check

Ask for a recommendation against your operating conditions.

A useful reply needs the inputs that control feed acceptance, reduction ratio, product split, and real hourly duty.

  1. 01Material and hardness
  2. 02Maximum feed size
  3. 03Target product sizes
  4. 04Required throughput

05 / Related references

Next reading

Application guides

Generalized ore and operating scenarios—not claims of installed customer projects.

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