Purionex
DRAWING NO: PX-PID-001-REV A  |  SCALE: NTS  |  DATE: 2025-08
TITLE: PROCESS FLOW DIAGRAM / P&ID — 1 MGD MODULAR SYSTEM — ASPEN MODEL BASIS
CLASSIFICATION: CONFIDENTIAL & PROPRIETARY  |  PURIONEX WATER TREATMENT SYSTEMS
Legend
Process Line
Chemical/Dosing
Instrument Signal
Reject/Brine/Waste
Permeate/Product
Pump
Sensor/Transmitter
Control Valve
Control Bus
PRE-TREATMENT CORE TREATMENT POST-TREATMENT CONTINGENCY / MODULAR ZONE RAW WATER IN S-01 P P-101 STAGE 1 FT FT-101 INFLUENT SCREENING E-100 | 150–175 m³/hr ASPEN: SPLIT [E-100] T-101 SCREENINGS WASTE S-02 STAGE 2 110VAC IMT INTELLIGENT MAGNETIC TREATMENT E-200 | 2,000–8,000 Gauss ASPEN: UDF [E-200] S-03 pH AT-101 STAGE 3 GAS SUPPLY O₂ / O₃ / Air C K-301 DO AT-301 NANO BUBBLERS MICRO OXIDATION | <100nm R-300 | 5–30 min contact ASPEN: RCSTR/PFR [R-300] S-04 P P-301 STAGE 4 M-1 M-2 M-3 M-4 PT PT-401 CIP/BW T-401 UF CONCENTRATE SUBMICRON FILTRATION ULTRAFILTRATION | ≤ 0.1 µm | 4 Modules MF-400 | TMP 0.5–4 bar | PVDF/PTFE ASPEN: SEP/SPLIT [MF-400] S-05 HP P-501 STAGE 5 PV-501 (6 × 8"×40") PV-502 (6 × 8"×40") PV-503 (6 × 8"×40") PT PT-501 CT CT-501 T-502 PERMEATE TANK ERD E-505 T-503 BRINE REJECT REVERSE OSMOSIS 99.0–99.8% Salt Rejection | 75–85% Recovery MEM-500 | 15–25 bar | BWRO TFC Polyamide ASPEN: MEMBRANE [MEM-500] S-06 STAGE 6 UV REACTOR R-601 O₃ CONTACTOR R-602 OZONE GENERATOR K-601 | 0.5–5 kg/hr UVI AE-601 O₃ VENT DESTRUCTOR UV / OZONE (AOP) ADVANCED OXIDATION | 4–6 log Reduction R-600 | 40–400 mJ/cm² | 1–10 mg/L O₃ ASPEN: RCSTR/PFR [R-600] S-07 pH AT-601 CT CT-601 STAGE 7 UPFLOW CALCITE / COROSEX D-701 | 50–100 mg/L Ca target AT AT-701 REMINERALIZER POST-TREATMENT MINERAL RESTORATION C-700 | CaCO₃/MgO | pH 7.0–8.5 | LSI 0 to +0.5 ASPEN: MIXER/RStoic [C-700] S-PRODUCT PRODUCT WATER T-800 50,000–100,000 gal QT QT-801 DISTRIBUTION TO END USE XV XV-801 BYPASS / DCU DIVERT — ACTIVE ON: TDS >2500 ppm | pH EXCURSION | ORP SPIKE STAGE 8 DCU — DYNAMIC CONTAINMENT UNIT MODULAR | CUSTOM-ENGINEERED | DCU-800 SURGE TANK T-801 5,000–50,000 gal VARIABLE RETENTION EMRG FILTER F-810 GAC C-820 IX-1 IX-2 ION EXCHANGE pH NEUT TANK T-840 ACID BASE T-851 T-852 MOBILE DOSING pH ORP TDS AT-800 ARRAY ASPEN: RCSTR / Flash2 / RStoic / UDF (ASPEN Dynamics) [DCU-800] RETURN TO PROCESS AI / PLC / SCADA CONTROL LAYER FlowSignal™ AI | ASPEN Plus Digital Twin | 4–20mA / HART / Modbus / Profibus | PLC-001 (Rockwell / Siemens S7) ASPEN MODEL BLOCK SUMMARY —— PROPERTY METHOD: ELECNRTL (Electrolyte NRTL) —— ENERGY: AEA E-100 Influent Screening SPLIT E-200 IMT Custom UDF R-300 Nano Bubblers RCSTR / PFR MF-400 Submicron Filtration SEP / SPLIT MEM-500 Reverse Osmosis MEMBRANE block R-600 UV / Ozone AOP RCSTR / PFR C-700 Remineralizer MIXER / RStoic DCU-800 Dynamic Containment Flash2 / UDF (Dyn.) Design: 1 MGD | 150–175 m³/hr | 80/20 Modular RO Feed: SDI <3 | Turbidity <0.1 NTU RO Peerm: TDS 10–50 mg/L | pH 5.5–7.0 Product: TDS 50–200 mg/L | pH 7.0–8.5 | LSI 0–+0.5 Brine Rej: TDS 3,000–20,000 mg/L | ERD energy recovery Screenings: Solids to waste | LCA carbon tracked DCU Bypass: Activated on threshold exceedance — returns to process Energy: 0.05–4 kWh/m³ stage-dependent | ERD + VFDs ASPEN Plus: Steady-state process model + sensitivity ASPEN Dynamics: DCU surge | transient states | control AEA: Capital + operating cost optimization Digital Twin: FlowSignal AI synced to ASPEN in real-time Prop. Method: ELECNRTL | electrolyte + membrane systems LCA: Embedded carbon accounting in all streams Reg. Baseline: EPA / WHO / NSF-61 cross-validated Next Steps: Pilot critical components | N+1 redundancy S-01 Raw Water In 500–5,000 mg/L TDS S-02 Post-Screen Coarse solids removed S-03 Post-IMT Scale precursors altered S-04 Nano-Oxidized Fe/Mn oxidized, DO elevated S-05 UF Permeate (RO-ready) SDI<3 | <0.1 NTU S-06 RO Permeate TDS 10–50 mg/L S-07 AOP-Treated 4–6 log pathogen reduction S-PR Product Water Potable quality distributed