Reverse osmosis (RO) is one of the most widely used technologies for obtaining purified water in industries, laboratories, and homes. Its efficiency depends on multiple variables that, if not properly controlled, can compromise water quality and reduce the lifespan of the system. Here are the main factors that affect the performance of your reverse osmosis system.
1. Feed Water Pressure
Pressure is the driving force of the RO process. Insufficient pressure reduces salt rejection and decreases the flow of permeate water. On the other hand, excessive pressure can damage the RO membranes. For most systems, a pressure range between 40 and 100 psi is recommended for residential use, and up to 600 psi for industrial systems.
2. Water Temperature
Cold water has higher viscosity, which reduces the flow rate through the membrane. An increase in temperature can improve performance, but temperatures above 45°C (113°F) can damage the membrane. The ideal range is between 20°C and 25°C (68°F–77°F).
3. Feed Water Quality
A high level of total dissolved solids (TDS), hardness, or the presence of chlorine can significantly reduce performance. These contaminants can cause scaling and membrane fouling, affecting system efficiency.
4. Maintenance and Cleaning
Regular CIP (Clean-In-Place) procedures help remove biofouling, scaling, and sediment. Skipping proper maintenance can lead to reduced purified water output and increased differential pressure—clear signs of a dirty or deteriorated membrane.
5. System Design and Installation
A poorly sized system or incorrect installation can cause leaks, pressure fluctuations, and poor performance. It is essential to choose the right RO system for your needs and follow the manufacturer’s specifications.
Conclusion
Optimizing the performance of a reverse osmosis system not only ensures high-quality water but also reduces operating costs and extends the lifespan of your equipment. Monitoring pressure, TDS, temperature, and performing preventive maintenance will make the difference between an efficient system and one that frequently fails.
American Water Solutions, LLC., is a family business based in Texas. We manufacture reverse osmosis water treatment systems for every application from domestic to industrial.
