Table 2 Characteristics of drinking water and industrial wastewater.
From: Impact of propylene fibers and industrial wastewater on the properties of self-compacting concrete
Specifications | Unit | Treated industrial wastewater | Tap water | BS EN 1008 27 |
|---|---|---|---|---|
pH | – | 7.82 | 7.79 | pH > = 4 |
Turbidity | NTU | – | 1.2 | |
Color | TCU | 75 | – | |
Sulfate (SO4–2) | mg/L | 1099.104 | 24.5 | 2000 |
Phosphate (PO4–3) | mg/L | 4.403 | – | 100 |
Nitrate (NO3-) | mg/L | 2.584 | – | 500 |
Iodine (IO3–2) | mg/L | 49.765 | – | |
Nitrite (NO2–1) | mg/L | 5.389 | – | |
Bromide (Br-1) | mg/L | 4.551 | – | |
Chloride (Cl-1) | mg/L | 2131.726 | 14 | |
Prestressed concrete or grout | 500 | |||
Concrete with reinforcement or embedded metal | 1000 | |||
Concrete without reinforcement or embedded metal | 4500 | |||
Fluoride (F-1) | mg/L | 0.528 | – | |
Cobalt (Co) | mg/L | 0.041 | – | |
Chromium (Cr) | mg/L | 0.220 | – | |
Nickel (Ni) | mg/L | 0.025 | – | |
Copper (Cu) | mg/L | 2.56 | – | |
Total dissolved solid (TDS) | mg/L | 7448 | 560 | |
total hardness (TH) | mg/L | 201 | 201 | |
Chemical oxygen demand (COD) | mg/L | 108 | 3 | |
Carbonate (CO3–2) | mg/L | 1.1 | 1.1 | |
Electrical conductivity | Micro Siemens/cm | 9310 | – |
