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