LANDSON / ZERO LIQUID DISCHARGE
A MORE COMPACT ZLD SYSTEM
A MORE COMPACT ZLD SYSTEM
A MORE COMPACT ZLD SYSTEM
Six Landson SiC elements replace 210 tubular ceramic elements in a coal-chemical zero liquid discharge installation.
Six Landson SiC elements replace 210 tubular ceramic elements in a coal-chemical zero liquid discharge installation.
Six Landson SiC elements replace 210 tubular ceramic elements in a coal-chemical zero liquid discharge installation.

Treatment challenge
Treatment challenge
Treatment challenge
The coal-chemical ZLD plant experienced frequent replacement and high maintenance costs with imported PVDF tubular membranes and later tubular ceramics.
The coal-chemical ZLD plant experienced frequent replacement and high maintenance costs with imported PVDF tubular membranes and later tubular ceramics.
Landson SiC membrane solution
Landson SiC membrane solution
Landson SiC membrane solution
Six large Landson recrystallized SiC honeycomb conduit elements replace 210 conventional tubular ceramic elements in a compact filtration system.
Six large Landson recrystallized SiC honeycomb conduit elements replace 210 conventional tubular ceramic elements in a compact filtration system.
Reported performance and operating conditions
Reported performance and operating conditions
Reported performance and operating conditions
6 membrane elements, 10.8 m² each, 64.8 m² total; operating flux 250–350 LMH; operating pressure 0.4–0.6 bar; permeate turbidity ≤0.2 NTU; SDI <3.
6 membrane elements, 10.8 m² each, 64.8 m² total; operating flux 250–350 LMH; operating pressure 0.4–0.6 bar; permeate turbidity ≤0.2 NTU; SDI <3.
Technical configuration
Technical configuration
Technical configuration
Previous tubular ceramics: 210 elements × 0.56 m² = 117.6 m². Landson SiC: 6 × 10.8 m² = 64.8 m².
Previous tubular ceramics: 210 elements × 0.56 m² = 117.6 m². Landson SiC: 6 × 10.8 m² = 64.8 m².
Project status and significance
Project status and significance
Project status and significance
Commissioned October 2024. The source projects a 10-year SiC membrane lifetime, compared with less than two years for the original polymeric and less than three years for the previous tubular ceramic membranes. The 10-year figure is an expectation, not a measured lifetime.
Commissioned October 2024. The source projects a 10-year SiC membrane lifetime, compared with less than two years for the original polymeric and less than three years for the previous tubular ceramic membranes. The 10-year figure is an expectation, not a measured lifetime.
Interpreting the results
Interpreting the results
Interpreting the results
Figures reflect the project information in the Landson case-study materials and are application-specific.
Figures reflect the project information in the Landson case-study materials and are application-specific.
6 vs 210 Membrane elements · ≤0.2 NTU Permeate turbidity
6 vs 210 Membrane elements · ≤0.2 NTU Permeate turbidity