3 Stage Reverse Osmosis System | Michigan, USA | 2 GPM | www.pureaqua.com

System Overview

• Application: Engineered Grade (EG) Water Production
• Location: Michigan, USA
• Overall System Recovery: 90%
• Control System: Siemens S7-1200 PLC
• Power Supply: 220V / 3Ph / 60Hz

System Features

• Feed & Backwash Pump for robust system flow and media cleaning
• Screen Filter, Bag Filter, Cartridge Filter for multi-layered particulate removal
• Greensand Filter for iron and manganese reduction
• Antiscalant Dosing System to prevent membrane fouling
• High Rejection TFC Membranes
• Pressure Gauges, Flow Meters, and Conductivity Monitors at critical points
• Powder-Coated Carbon Steel Frames for durability and corrosion protection
• Low Pressure Switches for pump protection
• Siemens S7-1200 PLC for centralized automation and system control

RO System Breakdown

First Stage: TW-4.5K-340

• Production Capacity: 130 GPH
• Max Feed TDS: 1,300 ppm
• Pressure Vessels: (3) 4" x 40" FRP (Protec or Codeline), ASME rated at 300 PSI
• Membranes: (3) TFC Spiral Wound
• High Pressure Pump
• 1 Micron Pre-Filter, pressure gauges, conductivity meter, flow meters

Second Stage: BW-3.0K-240

• Production Capacity: 1,558 GPD
• Max Feed TDS: 2,500 ppm
• Pressure Vessels: (2) 4" x 40" FRP
• Membranes: (2) TFC Spiral Wound
• High Pressure Pump
• 5 Micron Pre-Filter, pressure gauges, conductivity meter, flow meters

Third Stage: BW-1.5K-140

• Production Capacity: 1,558 GPD
• Max Feed TDS: 2,500 ppm
• Pressure Vessels: (2) 4" x 40" FRP
• Membranes: (2) TFC Spiral Wound
• High Pressure Pump
• 5 Micron Pre-Filter, pressure gauges, conductivity meter, flow meters

Deionization (DI) Skid: DI-20-B

• Application: Final EG Water Polishing
• Flow Capacity: 2–2.5 GPM
• Cartridge Configuration: (4) 4.5” x 20” Cartridges
• 2 in Series, 2 in Parallel
• Integrated Bypass for flexible operation
• (2) Resistivity Monitors for water quality tracking
• LED Light Indicator for system status
• PLC Software Integration for resistivity readings
• Powder-Coated Carbon Steel Frame for long-term durability

[custom-specifications]

The client needed an advanced water treatment system capable of:

• Handling highly variable brackish feed water with TDS up to 2,500 ppm
• Producing ultrapure engineered grade (EG) water with stringent resistivity requirements
• Maximizing recovery rate to reduce water waste
• Ensuring automated, reliable operation across multiple treatment stages
• Protecting membranes with effective pretreatment to minimize fouling

[/custom-specifications]

[custom-features]

Pure Aqua delivered a sophisticated 3-Stage Reverse Osmosis System with DI Polishing engineered for precision and efficiency:

• Multi-Stage RO Configuration optimizes water quality at each step while achieving up to 90% recovery
• Final DI Polishing Unit produces ultrapure EG water meeting exacting resistivity standards
• Comprehensive Pretreatment including filters and antiscalant dosing protects membranes and extends system life
• Siemens S7-1200 PLC provides centralized automation, monitoring, and control for seamless operation
• Rugged Construction with powder-coated steel frames and industrial-grade components ensures long-term durability

[custom-usage]

• Multi-Stage Precision: Tailored RO stages ensure maximum efficiency and water quality at each step
• Final Polishing with DI: Achieves ultra-high purity EG water for critical applications
• Automated Control: Siemens PLC guarantees seamless operation across all stages
• Comprehensive Filtration: Pre-RO treatment ensures membrane longevity
• Durable Design: Industrial-grade materials and protective coatings built to last