Industrial Wastewater Reuse & ZLD
1,350 m³/d Pickling Wastewater Metals & Hardness Removal
This 1,350 m³/d steel pickling wastewater project combines iron-removal and softening pretreatment, tubular membrane separation, nanofiltration salt separation, reverse osmosis concentration, and evaporation and crystallization for water reuse and salt resource recovery.
01 · Engineering task
What the project needed to resolve
This 1,350 m³/d steel pickling wastewater project combines iron-removal and softening pretreatment, tubular membrane separation, nanofiltration salt separation, reverse osmosis concentration, and evaporation and crystallization for water reuse and salt resource recovery.
02 · Main process stages
The overall project process route
Iron-removal and softening pretreatment → PEK tubular membranes → nanofiltration salt separation → reverse osmosis concentration → evaporation and crystallization
Configuration, operating windows, and guarantees are not transferred automatically to a new duty.
03 · Plum scope
Plum’s full-process scope of supply
Plum supplied the full-process treatment systems for this project, covering pretreatment, PEK tubular membranes, nanofiltration salt separation, reverse osmosis concentration, and evaporation and crystallization.
04 · Public project facts
Facts available for preliminary comparison
The project treats steel pickling wastewater at a scale of 1,350 m³/d. The overall process includes iron-removal and softening pretreatment, PEK tubular membranes, nanofiltration salt separation, reverse osmosis concentration, and evaporation and crystallization. Customer identity and operating-performance data are not published.