Equipment  

• Grundfos® CR 20-10 high pressure pump: 1 pcs
• 8040-3 membrane vessel: 4 pcs
• Stainless steel housing with 7 PP 2,5 × 40″ filters : 1 pcs
• Motorized valves (feed water in, flush out): 2 pcs
• Balancing valves (concentrate reject, concentrate recycle): 2 pcs
• Electrical cabinet with Ecosoft controller: 1 set
• Piping, instrumentation: 1 set
• Steel frame: 1 set

Options

• Energy efficiency with Grundfos pump
• Dosing pump for antiscalant or other RO chemicals
• Permeate inlet for permeate membrane rinse
• Raw water blending line

Сonnections

• Influent water: DN65 (flange)
• Permeate: DN50 (G 2″)
• Concentrate: DN65 (flange)
• CIP inlet: DN40 (G 1½″)
• CIP return: DN40 (G 1½″)
• CIP permeate: DN25 (G 1″)
   

Technical data

• Permeate capacity¹: 12 m³/h
• Permeate recovery²: 75%
• Maximum TDS: 4500 mg/L
• Influent flow demand: 16…20 m³/h (service)
   
• Operating pressure: 8…12 bar
• Maximum pressure: 14 bar
• Electrical requirements: 380...400 V, 50 Hz (3 ph)
• Electrical power: 11 kW
• Prefilter rating: 5 μm
  ¹ depends on feed water TDS, temperature, and permeate recovery
  ² for low scaling/fouling water

Feed water requirements

• TDS: 4500 mg/L
• hardness: 150 mg/L CaCO₃
• iron: 0.1 mg/L
• manganese: 0.05 mg/L
• hydrogen sulfide: none
• silicate: 20 mg/L
• residual chlorine: 0.1 mg/L
• SDI: 5
• chemical oxygen demand: 4 mg/L O₂