Context
The EU Critical Raw Materials Act and parallel US IRA provisions have turned strategic-metal supply resilience from policy aspiration into regulatory mandate. Recovery rates from industrial process streams have historically been rate-limited by the filtration stage: commodity mesh lacked the geometry to capture target species efficiently, and the mechanical/chemical stability to survive aggressive recovery chemistries.
Challenge
Industrial catalyst recycler required filtration media capable of ≥ 90% capture of PGM and REE target species, compatible with strong-acid and strong-base regeneration cycles, with service-life consistent with plant economics.
Material choice
GTX 400-mesh Precision Nickel Mesh (GTX-MESH-P · 400-mesh variant), fabricated by GTX Custom Fabrication into drum-filter and candle-filter cartridge assemblies.
Validation
400-mesh precision geometry delivered sub-40-micron effective aperture. Capture efficiency benchmarked at 95% across PGM and REE target species under representative feed-stream chemistry. Regeneration-cycle survival — including strong-acid stripping — validated across the qualification run.
Commercial outcome
Facility upgraded to the 95% recovery envelope, directly improving recovery economics and enabling the customer to satisfy downstream recycled-content documentation requirements under the applicable regulatory framework.
| Mesh count | 400 mesh |
|---|---|
| Effective aperture | Sub-40 micron |
| Recovery efficiency | 95% PGM / REE target species |
| Chemistry compatibility | Strong acid / strong base regeneration |
| Form factor | Drum-filter · candle-filter |
Citations
- European Commission · Critical Raw Materials Act (2023/1757).
- US IRA · domestic-supply and recycled-content provisions.
- GTX metrology · 400-mesh recovery-efficiency dossier.
- Aranca · PGM / REE Recovery Materials Market Report · 2026 – 2030.