RO Water Plant Membrane

4021/4040/8040 RO Water Plant Membrane: LP/BW Series RO membrane

Product Overview

Our RO Water Plant Membrane is a high-performance filtration element designed for large-scale water treatment plants, featuring proprietary self-cleaning crossflow technology. Unlike traditional RO membranes prone to surface fouling, this design uses a concentrate stream to continuously sweep away contaminants, reducing cleaning frequency by 50% and extending service life to 3-5 years-ideal for municipal water plants, pharmaceutical facilities, and desalination projects.

Key Technology: How Crossflow Self-Cleaning Works

• Continuous Contaminant Removal: Feedwater flows parallel to the membrane surface, with 15-20% of the stream carrying away trapped impurities (vs. dead-end filtration in conventional membranes).
• Reduced Fouling Risk: Minimizes scaling and organic deposition, lowering chemical cleaning costs by 40% in industrial applications.

Industrial-Grade Performance Metrics

99.7% Salt Rejection & 45-55 LMH Flux

Achieves stable salt rejection (>99.7%) for brackish water (TDS 5,000-10,000 ppm) and seawater (TDS 35,000 ppm), with water flux optimized for energy efficiency (45-55 liters per square meter per hour at 15 bar pressure).

3-5 Year Service Life (Industrial Standard: 2-3 Years)

Self-cleaning crossflow design reduces membrane replacement frequency by 40% compared to conventional elements, lowering total cost of ownership (TCO) for municipal water plants.

Wide Operating Range

• Pressure: 10-60 bar (suitable for brackish/seawater desalination)
• Temperature: 5-45°C
• pH: 2-11 (compatible with acidic/alkaline cleaning agents)

Sanitary & Industrial Certifications

Meets NSF/ANSI 61 for drinking water systems and CE certification for pharmaceutical-grade applications.

LP/BW RO membrane specification

FAQ

Q1: What is the difference between crossflow and dead-end filtration in RO membranes?
A: Crossflow filtration (our technology) uses a concentrate stream to sweep away contaminants, preventing fouling-ideal for high-TDS industrial water. Dead-end filtration traps impurities on the surface, requiring frequent cleaning (used in small-scale residential systems).

Q2: How to calculate the number of RO membranes needed for a 10,000 m³/day plant?
A: This blog post explains the calculation method in detail.

Q3: Does the membrane require special cleaning chemicals?
A: Compatible with standard RO cleaning agents (citric acid for scaling, NaOH for organics). We provide a free cleaning protocol guide with bulk orders.

Q4: What certifications does the RO Water Plant Membrane hold?
A: NSF/ANSI 61 (drinking water safety), CE (EU industrial standards), and ISO 9001 (manufacturing quality).

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