A & S Automations

0. Global Settings

Units

Project Name

1. Feed Water

Feed Flow (m³/h)

Feed TDS (mg/L)

Temperature (°C)

Overall Recovery (%)

Target Permeate TDS (mg/L)

Daily Run Hours

Hardness / Alkalinity (Auto-filled from ions)

Hardness as CaCO₃ (mg/L)

Alkalinity as CaCO₃ (mg/L)

pH

2. Detailed Ionic Composition)

Enter mg/L for each ion. Values auto-convert to meq/L and ppm CaCO₃. Charge balance, hardness, alkalinity & TDS calculated automatically.

Cations

Ion	mg/L	ppm CaCO₃	meq/L

Anions

Ion	mg/L	ppm CaCO₃	meq/L

Neutrals

Ion	mg/L

Quick Entry

mg/L as NaCl mg/L as MgSO₄

Charge Balance Adjustment

3. RO Pass Configuration

Pass 1

Recovery (%) Salt Rejection (%) Pressure (bar)

Pass 2

Enable Second Pass Recovery (%) Salt Rejection (%) Pressure (bar)

4. Membrane Array

Element Specs

Area per Element (m²)

Max Flux 25°C (LMH)

Pump Efficiency (%)

Pass 1 Array

Stage 1 Vessels

Stage 1 Elements

Stage 2 Vessels

Stage 2 Elements

Trains

Pass 2 Array

Stage 1 Vessels

Stage 1 Elements

Stage 2 Vessels

Stage 2 Elements

Trains

0. Global Settings

1. Feed Water

Hardness / Alkalinity (Auto-filled from ions)

2. Detailed Ionic Composition)

Cations

Anions

Neutrals

Quick Entry

Charge Balance Adjustment

3. RO Pass Configuration

Pass 1

Pass 2

4. Membrane Array

Element Specs

Pass 1 Array

Pass 2 Array

5. Overall Summary

6. Pass and Stage Results

7. Flux & Membrane Utilization

8. Pump & Osmotic Pressure

9. Chemical Indices (LSI)

10. TDS Chart