8″ MO12 RO System

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 — 3000 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 — 3000 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