HSM250-ES

Summary

Product identification

The HYDRAsub®- MBR HSM250-ES is a Submerged Microfiltration Membrane Bioreactor (MBR) Module.

Module Specifications

• Configuration: Submerged Membrane
• Fiber Orientation: Vertical
• Filtrate Flow: Bi-directional
• Membrane Polymer: Polyvinylidene Fluoride (PVDF)
• Pore Size (nominal): 0.4 μm
• Number of Elements in Module: 10 (25 m² each)
• Nominal Membrane Area per Module: 2690 ft² (250 m²)
• Permeate Connections: (2)- 2” MNPT
• Air Connections: (2)- 2” MNPT
• Guide Pipe Connections: (2)- to fit 3” pipes
• Typical Module Dry Weight: 1053 lbs (477 kg)
• Typical Module Wet Weight: 1406 lbs (637 kg)

Operating limits

• Maximum Trans Membrane Pressure (Vacuum): -6 psig (-0.41 bar)
• Maximum Backwash Trans Membrane Pressure: 2 psig (0.14 bar)
• Maximum Instantaneous Chlorine Concentration: 5,000 ppma (for a maximum of 2 hours)
• Maximum Chlorine Tolerance: 742,000 ppm-hrs
• MLSS Range: 8,000 - 12,000 mg/L (in membrane tank at steady state for municipal wastewater)
• Operating Temperature Range: 41 - 104ºF (5 - 40º C)
• Feed Water pH Range: 6.0 - 8.0
• Cleaning pH Range: 1.0 - 11.0
• Operating Mode: Outside to Inside

Typical Process Conditions

• Operating Filtrate Flux†: 4-20 gfd (7-34 lmh)
• Peak Operating Flux†: 30 gfd (51 lmh)
• Chemically Enhanced Backwash (CEB) Flux: 2.4 gfd (4 lmh)
• CEB Chemicals: NaOCl (refer to operating manual for chemical concentrations and cleaning frequencies)
• Clean In Place (CIP) Flux: 2.4 gfd (4 lmh)
• CIP Chemicals: NaOCl or Citric Acid (refer to operating manual for chemical concentrations and cleaning frequencies)
• †-Depends on temperature and application.

Mechanical / hydraulic

The module's cage is made of stainless steel 304. Connections are specified in English units.

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

Official datasheet (PDF)

PDF datasheet