AGM TDS

Summary

Product identification

• Model: AGM
• Membrane Material: Modified PVDF
• Membrane Type: Hollow Fiber UF
• Nominal Pore Diameter: 30 nm
• Nominal MWCO, Dextrane: ≤150,000 Dalton
• Membrane Characteristics: High mechanical strength and chemical resistance for long lifetime; high permeability.
• Removes: Viruses, bacteria, and particles including colloids.

Mechanical / hydraulic

Module Specifications

• Diameter: 250 mm
• Body and Cap Material: U-PVC
• Nozzles: DN50 - Victaulic
• Potting Material: Polyurethane
• Flow Direction: Outside to inside
• Fiber Outside/Inside Diameter: 1.4 / 0.8 mm
• Active Surface Area: 70 m²

Module Dimensions (AGM)

• Surface Area: 70 m²
• Dimensions (mm):
  • A: 2220±1
  • B: 1915±1
  • C: 395±1
  • D: 200±1
• Weight: 60 kg

Operating limits

• Operation Modes: Dead End/Crossflow
• Temperature: 5-40 °C
• pH: 2-11
• Filtrate Flux @25°C: 45-180 L/m²h (Depend on feed water quality)
• Flow Capacity: 3.15-12.60 m³/h (Depend on feed water quality)
• Feed Water Inlet Pressure @ 25°C: 2-3 bar (Instant Max. 5 bar)
• TMP: 0.4-2 bar
• Backwash Pressure: Max. 2.5 bar
• Air Flowrate (Backwash): Max. 20 Nm³/h
• CIP Frequency: Current Process TMP(bar) ≥ Initial TMP(bar) + 0.9 bar
• CIP Operation Duration: 2 hours
• Cleaning Flowrate per Module: 1-2 m³/h

Feed water

• Temperature: 25 °C (Max 40 °C)
• Particle Dimension: < 300 µ
• Turbidity: 50 NTU (Max 250 NTU)
• Oil and Grease: 0 % (Max 1 %)
• pH: 6-9
• TOC: < 10 mg/l (Max 30 mg/l)
• Total Suspended Solid (TSS): 50 mg/l (Max 80 mg/l)
• Chlorine: 0.4 mg/l (Instant Max. 150 mg/l)

Product water

• Quality: <0.2 NTU
• Filtrate Water SDI: ≤2.5
• Filtrate Water Turbidity: ≤0.2 NTU (Depend on feed water quality)

Cleaning, Disinfection & Preservative Solution

Chemically Enhanced Backwash (CEB) Chemicals

• Sodium Hypochlorite (NaOCl): 1000 mg/l
• Sodium Hydroxide (NaOH): 500 mg/l
• Hydrochloric Acid (HCl): 1000 mg/l
• Citric Acid: 1-2 %

Clean-in-Place (CIP) Chemical Cleaning Solutions (depend on pollutant)

• 0.1 % NaOH + 0.2 % NaOCl
• 0.2 % HCl, 2 % Citric Acid

Preservative Solution

• Composed of water/glycerol/sodium metabisulfite.
• Cleaning of preservative solution: Drain slowly with feed water for a minimum of 4 hours, using at least 12 m³ of feed water.

Cleaning - Disinfection

• Chemical: 100 ppm sodium hypochlorite solution.
• Procedure: Circulate for 10 minutes, soak for 1 hour, then drain until filtrate line is free from chlorine.
• Note: Backwash procedure with treated/clean water at start-up process is advised.

Process Steps

1. Production

• Forward Flush: Module is rinsed with feed water.
• Filtration: Production is done.

2. Backwash

• Drain: Module is drained.
• Air Scourge: Membranes are scoured by air.
• Backwash-Bottom: Module is rinsed with permeate water (flow top to bottom).
• Backwash-Top: Module is rinsed with permeate water (flow bottom to top).

3. CEB (Caustic/Chlorine/Acid)

• Drain: Module is drained.
• Air Scourge: Membranes are scoured by air.
• Backwash-Bottom: Module is rinsed with permeate water and chemical (flow top to bottom).
• Backwash-Top: Module is rinsed with permeate water and chemical (flow bottom to top).
• Soak: All valves closed, membranes soaked.
• Drain: Module is drained.
• Air Scourge: Membranes are scoured by air.
• Backwash-Bottom: Module is rinsed with permeate water (flow top to bottom).
• Backwash-Top: Module is rinsed with permeate water (flow bottom to top).
• Forward Flush: Module is rinsed with feed water.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the official OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror