INDUSTRY COMPONENT

Permeate Carrier

A structural support component in reverse osmosis membranes that channels purified water while maintaining membrane integrity.

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Component Specifications

Definition
The permeate carrier is a critical component within spiral-wound reverse osmosis membrane elements, consisting of a porous mesh or spacer material that creates flow channels for the purified water (permeate) to travel toward the central collection tube. It provides structural support to the membrane sheets, prevents collapse under pressure, and ensures uniform flow distribution while maintaining separation from the feed and concentrate streams.
Working Principle
The permeate carrier operates by creating defined flow paths between membrane layers, allowing purified water to flow toward the central collection tube while supporting the membrane against applied pressure. Its porous structure maintains hydraulic efficiency and prevents membrane damage during operation.
Materials
Typically made from polyethylene terephthalate (PET) or polypropylene mesh, with thickness ranging from 0.2-0.5mm. Materials must be chemically resistant to water treatment chemicals and have appropriate thermal stability for operating temperatures up to 45°C.
Technical Parameters
  • Porosity 85-95%
  • Thickness 0.2-0.5 mm
  • Pressure Rating Up to 1000 psi
  • Temperature Range 0-45°C
  • Chemical Resistance pH 2-11
  • Flow Channel Height 0.7-1.2 mm
Standards
ISO 11296, DIN 19627

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Permeate Carrier.

permeate carrier reverse osmosis membrane component water treatment spacer RO membrane support filtration mesh industrial water purification Permeate Carrier in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Reverse Osmosis Membrane

A semi-permeable membrane used in reverse osmosis systems to remove dissolved solids, ions, and contaminants from water by applying pressure to overcome osmotic pressure.

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Engineering Analysis

Risks & Mitigation
  • Membrane damage from improper support
  • Flow channel blockage
  • Chemical degradation of carrier material
  • Pressure drop increase over time
FMEA Triads
Trigger: Material degradation from chemical exposure
Failure: Reduced structural support leading to membrane collapse
Mitigation: Use chemically resistant materials and regular material testing
Trigger: Flow channel fouling or blockage
Failure: Increased pressure drop and reduced system efficiency
Mitigation: Implement proper pretreatment and regular membrane cleaning
Trigger: Improper installation or alignment
Failure: Uneven flow distribution and membrane damage
Mitigation: Follow manufacturer installation guidelines and use proper alignment tools

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.05 mm thickness variation, ±2% porosity deviation
Test Method
ASTM D6691 for chemical resistance, ISO 11296 for flow characteristics, pressure testing per manufacturer specifications

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of a permeate carrier in RO membranes?

The permeate carrier provides structural support to membrane layers while creating flow channels for purified water to travel toward the central collection tube, preventing membrane collapse and ensuring efficient water collection.

How does permeate carrier design affect RO system performance?

Proper permeate carrier design minimizes pressure drop, prevents membrane damage, and ensures uniform flow distribution, directly impacting system efficiency, energy consumption, and membrane lifespan.

What materials are commonly used for permeate carriers?

Most permeate carriers use PET or polypropylene mesh materials that offer chemical resistance, structural stability, and appropriate porosity for efficient water flow in reverse osmosis applications.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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