LANDSON / RESOURCE RECOVERY
RECOVERING RARE EARTH METALS
RECOVERING RARE EARTH METALS
RECOVERING RARE EARTH METALS
Capturing valuable fine hydroxide particles from acidic and alkaline washing streams after filter-press treatment.
Capturing valuable fine hydroxide particles from acidic and alkaline washing streams after filter-press treatment.
Capturing valuable fine hydroxide particles from acidic and alkaline washing streams after filter-press treatment.
Treatment challenge
Treatment challenge
Treatment challenge
Fine metal hydroxide particles passed through a conventional filter press during hydrometallurgical washing, leading to loss of valuable rare-earth material.
Fine metal hydroxide particles passed through a conventional filter press during hydrometallurgical washing, leading to loss of valuable rare-earth material.
Landson SiC membrane solution
Landson SiC membrane solution
Landson SiC membrane solution
Landson SiC cross-flow filtration treats the washing liquor after the filter press to retain fine particles and improve recovery.
Landson SiC cross-flow filtration treats the washing liquor after the filter press to retain fine particles and improve recovery.
Reported performance and operating conditions
Reported performance and operating conditions
Reported performance and operating conditions
Installed permeate capacity ≥20 m³/h; filtration flux ≥350 LMH; residual target metal in permeate <50 mg/L; permeate turbidity <5 NTU; suspended solids <10 mg/L; cleaning interval ≥15 days.
Installed permeate capacity ≥20 m³/h; filtration flux ≥350 LMH; residual target metal in permeate <50 mg/L; permeate turbidity <5 NTU; suspended solids <10 mg/L; cleaning interval ≥15 days.
Technical configuration
Technical configuration
Technical configuration
Phase 1 configuration: 2 series × 3 parallel · Cross-flow filtration · Phase 2: ≥50 m³/h planned.
Phase 1 configuration: 2 series × 3 parallel · Cross-flow filtration · Phase 2: ≥50 m³/h planned.
Project status and significance
Project status and significance
Project status and significance
Commissioned October 2025. Following the first phase, the customer confirmed an expansion with ≥50 m³/h required permeate capacity, planned for commissioning by the end of 2026.
Commissioned October 2025. Following the first phase, the customer confirmed an expansion with ≥50 m³/h required permeate capacity, planned for commissioning by the end of 2026.
Interpreting the results
Interpreting the results
Interpreting the results
This is an operating installation. The first-phase values are reported operational figures; the additional ≥50 m³/h capacity is a planned expansion, not an achieved result.
This is a proposed project. Capacities and recovery figures are design targets, not verified operating results.
≥20 m³/h Installed permeate capacity · ≥350 LMH Filtration flux
≥20 m³/h Installed permeate capacity · ≥350 LMH Filtration flux