Reverse Osmosis RO Pure Water Equipment

Reverse Osmosis (RO) Pure Water Equipment Product Introduction

Reverse osmosis (RO) is currently the most widely used high-pressure membrane separation desalination process. Using a semi-permeable membrane as the separation medium and driven by pressure higher than the osmotic pressure, it efficiently separates salts, organic matter, microorganisms, and other impurities in water from water molecules. Jing'anlan reverse osmosis pure water equipment uses high-quality spiral-wound reverse osmosis membrane elements, complete with well-equipped pretreatment, high-pressure pumps, automatic control, and cleaning systems. It is divided into two major series: single-stage reverse osmosis and double-stage reverse osmosis. The produced water resistivity can reach 0.05~1MΩ·cm, with a stable desalination rate of ≥99%, meeting the preparation needs of industrial pure water and production water across various industries.

Working Principle

The core principle of reverse osmosis is the reverse osmosis process. An operating pressure of 1.0~1.6MPa (adjusted according to the feedwater salinity) is applied on the feedwater side, forcing water molecules to pass through the reverse osmosis semi-permeable membrane into the permeate side, while dissolved salts, colloids, organic matter, bacteria, viruses, and other impurities in the water are retained on the concentrate side and discharged with the concentrate.

• Single-stage reverse osmosis: can remove over 98% of dissolved salts and almost all colloids, organic matter, and microorganisms in water, meeting conventional industrial pure water needs
  

• Double-stage reverse osmosis: uses the single-stage permeate as feedwater to further enhance desalination, producing higher-purity pure water that can serve as feedwater for EDI ultrapure water systems
  

Core Technical Advantages

1. High desalination precision and stable effluent quality. Physical desalination is achieved at room temperature without phase change. The removal rate of total dissolved solids (TDS) can reach over 99%, effectively removing heavy metals, silicon, boron, organic matter, microorganisms, and various other impurities in water. The produced water quality is stable and controllable, fully meeting the pure water standard requirements of various industries.
   

2. Mature and reliable process with wide applicability. Reverse osmosis is the most maturely applied water treatment desalination process globally, adaptable to various water qualities from low-salinity surface water to high-salinity industrial wastewater. By adjusting the process arrangement and membrane element types, a system recovery rate of 50%~85% can be achieved, meeting water-saving needs in different scenarios.
   

3. High degree of automation and low operation and maintenance intensity. The system is equipped with a PLC fully automatic control system, enabling automatic start/stop, high and low pressure protection, automatic flushing, fault alarms, and other functions, requiring no manual intervention during operation. The service life of membrane elements can reach 3~5 years. Daily operation and maintenance only require regular monitoring of water quality parameters, replacement of pretreatment consumables, and periodic chemical cleaning.
   

4. Modular customization, adaptable to various working conditions. It can be flexibly configured according to treated water volume, influent water quality, and permeate water standards. A single system's permeate capacity can cover a range from 0.5m³/h to several hundred m³/h; the frame and piping can be made of anti-corrosion carbon steel, 304/316 stainless steel, and other materials, adapting to the hygiene and anti-corrosion requirements of different industries such as food, pharmaceutical, and chemical.
   

Applicable Industries and Scenarios

• Electronics and semiconductor industry: the core desalination unit for ultrapure water preparation, high-purity water production for manufacturing
  

• Pharmaceutical and medical industry: pre-desalination treatment for pharmaceutical water and water for injection, meeting pharmacopoeia water quality standards
  

• Food and beverage industry: purification and preparation of drinking water, bottled water, and process water
  

• Power and boiler industry: deep desalination of boiler make-up water to prevent boiler scaling and corrosion and ensure safe operation
  

• Advanced industrial wastewater reuse: deep desalination of wastewater from electroplating, printing and dyeing, chemical, and other industries to achieve production reuse
  

• Seawater / brackish water desalination: preparation of drinking water and production water for islands, coastal areas, and inland brackish water areas
  

Selection Guide

Reverse osmosis equipment selection requires comprehensive consideration of four core indicators: influent water quality, permeate capacity, permeate water quality requirements, and recovery rate:

• Process grade: use single-stage reverse osmosis for conventional desalination; use two-stage reverse osmosis for high-purity water requirements
  

• Membrane element selection: use polyamide composite membranes for conventional conditions; use anti-fouling membranes for highly polluted wastewater; high-temperature resistant membranes are optional for high-temperature conditions
  

• System arrangement: adopt single-stage single-pass, single-stage two-pass, multi-stage multi-pass, and other arrangements according to recovery rate requirements
  

• Supporting systems: standard configuration includes pretreatment system, high-pressure pump, dosing system, and cleaning system; EDI, mixed bed, and other advanced polishing units can be optionally configured as needed
  

The Jing An Lan technical team can provide customized reverse osmosis system solutions and detailed cost estimates based on user water quality reports and water use standards.

Jing An Lan Service Support

• Free water quality testing and process evaluation, customized overall reverse osmosis pure water system solutions
  

• Professional team on-site installation and commissioning to ensure stable system effluent meeting standards
  

• Full-category supply of supporting membrane elements, pretreatment consumables, and cleaning chemicals
  

• Can provide a full set of water treatment solutions from raw water to pure water / ultrapure water
  

• Providing O&M training, regular inspections, and fault response services to ensure long-term system operation