Ultrapure Water System | USA | 85 GPM

Overview

• Location: United States
• Application: Ultrapure Water for Semiconductor Manufacturing
• Final Product Flow: 85 GPM
• System Type: Multi-Pass Brackish RO + EDI + UV Sterilization
• Storage Capacity: 5,000 gallons

Key Components:

• Pretreatment:
  • 48" Multimedia Filter (FRP Tank) – removes turbidity and suspended solids
  • 63" Activated Carbon Filter (FRP Tank) – dechlorination and organics removal
  • Antiscalant chemical dosing system – prevents scaling and extends RO membrane life
• First RO Pass (Model: TW-173K-4680):
  • Capacity: 100 GPM, TDS up to 1,000 ppm
  • Powder-coated carbon steel frame
  • (4) FRP pressure vessels with (24) 8" TFC spiral wound membranes
  • Siemens S7-1200 PLC control panel
  • Stainless steel 5-micron pre-filter
  • Pressure gauges, ORP & conductivity monitoring
  • Flow meters and safety pressure switches
• Inter-Stage Treatment:
  • Post pH adjustment chemical dosing – optimizes pH for second RO stage
  • Antiscalant chemical dosing – additional scaling protection
• Second RO Pass (Model: TW-130K-3680):
  • Capacity: 85 GPM, TDS up to 100 ppm
  • (3) FRP pressure vessels with (18) 8" TFC spiral wound membranes
  • Siemens S7-1200 PLC control panel
  • Stainless steel 5-micron cartridge filter
  • Pressure gauges, conductivity monitoring, and flow meters
• Product Water Storage:
  • 5,000-gallon storage tank with level switches for control
  • Serves as a buffer between RO and EDI stages
• Electrodeionization (EDI) System:
  • Flow rate: 75 GPM (1 duty / 1 standby module)
  • Technology: IonPure EDI
  • Siemens S7-1200 PLC + Color HMI
  • GF Signet TDS/conductivity monitors
  • Flow meters, rectifier & transformer assembly
  • Powder-coated steel skid with SCH 80 PVC piping
  • NEMA 12 control panel
• Final Disinfection (Model: SUV-120):
  • UV sterilizer rated for 120 GPM
  • Provides final safeguard against microbial contamination

[custom-specifications]

The semiconductor facility required a system that could:

• Deliver ultrapure water with extremely low TDS and conductivity.
• Handle feedwater containing chlorine, organics, and suspended solids.
• Protect delicate RO and EDI membranes from scaling, fouling, and chemical damage.
• Operate continuously with redundancy to avoid production downtime.
• Ensure microbial control throughout the process.

[/custom-specifications]

[custom-features]

Pure Aqua engineered a multi-stage ultrapure water treatment system to meet semiconductor industry standards:

• Integrated Pretreatment: Multimedia and carbon filters with antiscalant dosing safeguard RO membranes.
• Dual-Pass RO: Models TW-173K-4680 (first pass) and TW-130K-3680 (second pass) maximize salt rejection and water quality.
• Inter-Stage Optimization: pH adjustment and chemical dosing ensure second-pass RO performance.
• EDI Module: IonPure technology with duty/standby redundancy provides continuous ultrapure water.
• Final Disinfection: UV sterilizer (Model SUV-120) ensures microbial-free water.
• Automation & Monitoring: Siemens PLC + HMI with full instrumentation for conductivity, ORP, flow, and pressure control.
• Storage Integration: 5,000-gallon buffer tank maintains stable supply and system reliability.

[/custom-features]

[custom-usage]

• Consistent Ultrapure Water: Maintains high resistivity, low silica, and minimal organics.
• Dual-Pass RO Efficiency: Maximizes ion rejection, ensuring optimal feedwater to EDI.
• Automated & Smart Control: Siemens PLC and HMI streamline monitoring and operation.
• EDI Redundancy: Duty/standby configuration guarantees uninterrupted water supply.
• High Recovery Rate: 90%+ recovery reduces waste and operating costs.
• Comprehensive Pretreatment & UV Disinfection: Extends system life and minimizes microbial risks.