🧪 Scaling Indices (Stiff-Davis SI & CaSO4 Supersaturation >180%, Zero Precipitation)

Brackish RO Gypsum & Calcite Scaling Index Calculator

Model Stiff-Davis Stability Index ($S&DSI$) and Calcium Sulfate gypsum saturation ratios ($>180%$ supersaturation) in concentrated BWRO reject: calculate threshold antiscalant inhibition dosages, prevent catastrophic second-stage mineral scaling, and chemical optimization profits.

1. Project & Operating Inputs

Concentrate Stream Calcium (mg / L Ca e.g. 450.0 mg/L Reject Calcium)

Concentrate Sulfate (mg / L SO4 e.g. 1,800.0 mg/L Reject Sulfate)

Customer Annual Custom Antiscalant Supply Agreement ($ / Yr)

High-Concentration Phosphonate Polymer Antiscalant, Dosing Skid ($)

2. Financial Breakdown & Yield

STIFF-DAVIS SCALING CONTROL

Annual Antiscalant Scale Control Supply Profit

Specialized Water Chemistry Formulations Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Direct Cost