High Frequency Screens for Rare Earth Processing

High Frequency Screens for Rare Earth Mineral Processing

Precision Dry Screening Technology for Strategic Materials

Rare Earth Elements (REEs) are indispensable to modern industry, powering technologies ranging from electric mobility to renewable energy and advanced electronics. Processing rare earth minerals demands accurate particle size control, especially in dry, low-moisture circuits (≤2%), where consistency and protection of downstream equipment are critical.

High Frequency Screens (HFS) are engineered to deliver precise dry screening technology and classification of rare earth bearing materials, ensuring stable operations and consistent product quality.

Rare Earth Elements – Key Categories

Light Rare Earth Elements (LREEs)

Lanthanum (La)

Cerium (Ce)

Praseodymium (Pr)

Neodymium (Nd)

Applications:

Permanent magnets for EV motors and wind turbines

Catalysts and glass polishing compounds

Rechargeable battery alloys

Optical and specialty glass

Heavy Rare Earth Elements (HREEs)

Dysprosium (Dy)

Terbium (Tb)

Europium (Eu)

Yttrium (Y)

Applications:

High-temperature and high-performance magnets

LED, display, and phosphor materials

Advanced ceramics and coatings

Medical imaging and nuclear technologies

High Frequency Screen Usage in Rare Earth Processing

High Frequency Screens are deployed in dry rare earth processing circuits to achieve sharp size separation, protect critical equipment, and ensure uniform feed preparation.

1. Protection Screening

Removal of oversize particles and agglomerates

Protection of:

Dry magnetic separators

Electrostatic separators

Fine grinding mills

Roasters, kilns, and reactors

Typical cut sizes:

1.0 mm

600 microns

2. Dry Classification

Accurate separation into controlled size fractions

Consistent particle size distribution for downstream processes

Improved efficiency of dry separation and thermal operations

Typical cut sizes:

250 microns

600 microns

1.0 mm

3. Screening of Dried Rare Earth Concentrates

Screening after concentrate drying

Removal of fines and agglomerates

Uniform sizing before:

Thermal treatment

Chemical cracking

Packing and logistics

4. Feed Preparation for Thermal & Chemical Processing

Controlled sizing improves:

Heat transfer

Reaction uniformity

Product consistency

Why High Frequency Screens for Rare Earths?

High G-force vibration for sharp, efficient separation

Effective screening at fine dry sizes

Fine aperture stainless steel screening media

Compact, modular design for easy integration

Low power consumption

Designed for continuous industrial duty

Typical Installation Points

After dry crushing or dry grinding

Ahead of dry magnetic or electrostatic separation

Post-drying of rare earth concentrates

Prior to kilns, roasters, and chemical reactors

Value Delivered

Precise particle size control

Improved downstream process performance

Reduced equipment wear and downtime

Consistent rare earth product quality

High Frequency Screens play a critical role in enabling efficient, reliable, and precise dry screening technology for rare earth minerals—supporting the supply chain of strategic materials essential to modern technology.