Services

A Reverse Osmosis (RO) plant is a water purification system that removes dissolved salts, impurities, and contaminants from water by forcing it through a semipermeable membrane under high pressure. The membrane filters out particles, bacteria, viruses, and dissolved solids, providing purified water suitable for various uses.

Design and Process

• The RO plant design starts with evaluating the feed water source, its quality, and defining the treated water quality goals.

• Pre-treatment units like sand filters, activated carbon filters, and microfiltration remove suspended particles and chlorine to protect the RO membrane.

• High-pressure pumps push the water through the RO membranes, which separate permeate (pure water) from concentrate (rejected contaminants).

• Membranes are selected based on feed water type (seawater, brackish water, or freshwater) and salt concentration (TDS levels).

• The system may be single-stage or multi-stage, with multiple pressure vessels and membranes arranged for optimal recovery and rejection.

• Control systems monitor pressure, flow, and water quality to optimize performance and prevent damage.

• Post-treatment may include UV sterilization, pH adjustment, or remineralization depending on use requirements.

Applications and Uses

• Producing drinking water from seawater or brackish water in municipal and remote areas.

• Providing ultrapure water for pharmaceuticals, laboratories, and electronics manufacturing.

• Industrial process water for cooling towers, boilers, and food processing.

• Wastewater reuse by removing dissolved solids and contaminants.

• Agricultural irrigation with treated water in water-scarce regions.

 

In summary, RO plants use semipermeable membranes and high pressure to remove salts and impurities from feed water. The plant design includes pre-treatment, membrane filtration, and post-treatment tailored to water source and intended use. RO technology is widely used for desalination, industrial water purification, municipal supply, and wastewater recycling due to its effectiveness and adaptability.