Ultrafiltration Equipment Model LFUF-8 Applied In Paper Mill Water Treatment

Introduction

LEFILTER, a leading Chinese manufacturer with over 15 years of expertise in industrial fluid purification, introduces the Ultrafiltration Equipment Model LFUF-8. Engineered to meet the highest standards of performance and reliability, this system is designed for critical applications requiring high-quality water treatment, such as paper mills, food processing, and pharmaceuticals. The LFUF-8 combines cutting-edge technology with robust construction to deliver efficient, cost-effective solutions for diverse industries.

Product Overview

The Ultrafiltration Equipment Model LFUF-8 is a high-performance system that leverages advanced membrane technology to remove suspended solids, colloids, bacteria, and macromolecules from water. With a modular design and customizable configurations, it offers flexibility for varying flow rates and 水质 (water quality) requirements. Backed by ISO 9001, ISO 14001, and ISO 45001 certifications, the LFUF-8 ensures compliance with global quality and environmental regulations.

Technical Parameters

The LFUF-8 is equipped with state-of-the-art components and specifications optimized for industrial use:
ParameterSpecification
ModelLFUF-8
Treatment Capacity8 m³/h
Membrane TypePolyvinylidene Fluoride (PVDF) Hollow Fiber Membrane
Membrane Area7 × 40” cartridges (total surface area: 600–800 m²)
Filtration Accuracy0.01–0.1 μm
Operating Pressure0.1–0.3 MPa
Recovery Rate80–90%
Water Temperature Range5–45°C
Power Supply380V, 50Hz
Raw Water PumpGrundfos or CNP (CHL8-00, 1.1 kW)
Backwash PumpGrundfos or CNP (CHL8-00, 1.1 kW)
Frame Material304 Stainless Steel Square Tube (polished surface)
Pipeline MaterialHigh-pressure: Stainless Steel; Low-pressure: UPVC

Product Structure

The LFUF-8 features a modular design with integrated components for efficient water treatment:
  1. Raw Water Tank (Optional): Stores feedwater and ensures continuous supply.
  2. Raw Water Pump: Provides pressure for pre-treatment and ultrafiltration system.
  3. Multi-Media Filter (Quartz Sand Tank): Removes particulates, colloids, and suspended solids.
  4. Activated Carbon Filter: Adsorbs organic compounds, chlorine, and odors.
  5. Dosing System (Optional): Adds chemicals for anti-scaling or coagulation.
  6. Security Filter: Protects ultrafiltration membranes from particles >5 μm.
  7. Ultrafiltration Membrane Modules: 7 × 40” PVDF hollow fiber membranes for high-efficiency separation.
  8. Backwash Pump: Automatically cleans membranes to maintain performance.
  9. Control System: PLC-based automation for real-time monitoring and adjustment.

Performance and Specifications

Filtration Efficiency

  • Particle Removal: >99.9% for particles ≥0.01 μm.
  • Bacteria/Virus Removal: >99.99%.
  • Organic Substances: Effective removal of proteins, colloids, and macromolecules.

Operational Stability

  • Self-Cleaning: Automatic backwash function reduces downtime and manual maintenance.
  • Low Energy Consumption: Optimized pump design minimizes energy costs.
  • Longevity: Membrane lifespan of 3–5 years with proper maintenance.

Key Advantages

  1. High Flow Capacity:
    • Handles up to 8 m³/h, suitable for medium-to-large industrial operations.
    • Adjustable recovery rates (80–90%) reduce water waste.
  2. Cost Efficiency:
    • Direct replacement for existing systems, minimizing downtime and retrofit costs.
    • Low maintenance requirements (e.g., membrane cleaning every 3–6 months).
  3. Robust Construction:
    • Corrosion-resistant materials (304 stainless steel, PVDF) ensure durability in harsh environments.
    • Modular design allows easy expansion or customization.
  4. Compliance:
    • Meets FDA, NSF, and EU standards for food, pharmaceutical, and semiconductor applications.
    • Backed by ISO certifications for quality and environmental safety.

Application in Paper Mill Water Treatment

The Ultrafiltration Equipment Model LFUF-8 is ideally suited for paper mill water treatment, addressing critical challenges:
  1. Whitewater Recovery:
    • Purifies and recycles process water, reducing freshwater consumption by up to 60%.
    • Removes fibers, fillers, and colloids to maintain equipment efficiency.
  2. Effluent Treatment:
    • Polishes wastewater to meet discharge standards, minimizing environmental impact.
    • Enables reuse of treated water for non-contact cooling and cleaning.
  3. Boiler Feed Water:
    • Removes suspended solids and silica to prevent scaling in boilers, extending equipment lifespan.
Key Benefits for Paper Mills:
  • Sustainability: Reduces water intake and wastewater discharge.
  • Cost Savings: Lower freshwater and chemical treatment costs.
  • Process Reliability: Consistent water quality ensures stable production.

Other Industrial Applications

The LFUF-8 excels in diverse industries:
  1. Food & Beverage: Purifies water for bottling, brewing, and cleaning.
  2. Pharmaceutical: Provides ultra-pure water for drug manufacturing and sterilization.
  3. Agriculture: Treats irrigation water to remove pathogens and improve crop yields.
  4. Environmental Protection: Processes wastewater for reuse in industrial and municipal settings.
  5. Textile & Dyeing: Recovers dyes and chemicals from wastewater, reducing resource waste.

Working Principle

The LFUF-8 operates on the principle of ultrafiltration, a pressure-driven membrane process that separates contaminants based on molecular size:
  1. Pre-Treatment:
    • Multi-media and activated carbon filters remove particulates, organics, and chlorine.
    • Dosing system adds chemicals to prevent scaling or enhance coagulation.
  2. Ultrafiltration:
    • High-pressure pump drives feedwater through PVDF hollow fiber membranes.
    • Membranes retain particles, colloids, and macromolecules (retentate), while allowing water and small solutes to pass through (permeate).
  3. Backwash Cycle:
    • Periodically reverses flow to flush accumulated contaminants from membranes, maintaining performance.

Conclusion

LEFILTER’s Ultrafiltration Equipment Model LFUF-8 combines cutting-edge technology, durability, and cost efficiency to deliver superior water purification for industrial applications. Whether used in paper mills, food processing, or pharmaceuticals, this system ensures reliable, high-quality water while reducing environmental impact and operational costs.
Why Choose LEFILTER?
  • Global Expertise: Exported to 128+ countries with 24/7 technical support.
  • Custom Solutions: Modular design tailored to specific flow rates and water quality requirements.
  • Sustainability: Low energy consumption and high recovery rates align with green initiatives.
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