Coagulant dosing

FeCl₃ / PAC / Alum — monthly consumption of the ChimiArt grade you buy.

Flow (التصرف)

Coagulant

Dose basis

Dose (mg/L ≡ ppm)jar-test starting pointmg/L

Strength (FC20…)% w/wDensitykg/L

Raw alkalinity (optional)mg/L CaCO₃

12.6

tonne/month

Ferric chloride 40%

Per day: 420 kg
Per month: 12600 kg
Liquid volume: 295.77 L/day · 8.87 m³/mo
As active: 14 mg/L
Alkalinity consumed: 13 mg/L

Method

M = D[mg/L] × Q[m³/day] / 1000 ; ΔAlk = 0.926 × D_active (FeCl₃)

Reference: AWWA Water Quality & Treatment; Davis, Water & Wastewater Engineering.

Optimum dose is set by a jar test on your actual water; typical ranges are starting points. Product strength (% w/w) and density must match the ChimiArt grade on your delivery COA.

Estimated use: about 12.6 tonne/month of ChimiArt Ferric chloride 40% (based on 35 mg/L and 12000 m³/day).

Want to confirm this on your actual water? We can run a free jar test or send the grade's spec sheet.