ZW 700B Ultrafiltration Membrane System Technical Specifications

1. Core Membrane Technology Features

The ZW 700B employs an innovative seven-channel hollow fiber ultrafiltration (UF) membrane module, achieving precision separation through an absolute physical barrier.

Its multi-lumen design delivers 200% higher mechanical strength compared to traditional single-bore fibers, significantly reducing fiber breakage risks and ensuring long-term system stability.

Performance (Third-Party Verified)

• Suspended Solids (SS) Rejection: >99.9%
• Microbial Removal Efficiency: 6-log
• Particulate Organic Compounds (POC) Reduction: Optimized

2. System Configuration Flexibility

This pressurized UF system operates in an inside-out crossflow filtration mode, offering flexible installation and system integration options:

Installation Options

• Orientation: Horizontal or vertical installation
• Vessel Type:
  • Pressure vessel
  • Vessel-free configuration

Structural Solutions

• RMS (Rackless Membrane System)
• Standard rack-mounted system

Capacity Range

• Modular design supports 5–500 m³/h

3. Operational Mechanism & Maintenance Protocol

Three-Phase Operational Cycle

1. Filtration Phase

   • Feed Pressure: 0.1–0.3 MPa
   • Mode: Crossflow filtration
   • Function: Contaminant retention

2. Forward Flush

   • Pressure: 0.35 MPa
   • Duration: 30 seconds
   • Function: Particle removal

3. Backwash Process

   • Reverse Pressure: 0.25 MPa
   • Function: Membrane cleaning & fouling removal

4. Intelligent Control System