Skip to main content

Table 4 The chemical analysis of treated industrial wastewater

From: Fluoride pollutants removal from industrial wastewater

Element to be analyzed

Results

Units

Accepted limits according to Egyptian Code No. (501/2015) maximum limit

Physical parameters:

pH

6.85

–––

8.5

Color

Colorless

mg/l Pt Co

Colorless

Physicochemical parameters:

Chloride [Cl]

333

mg/l

400

Sulfate [SO4−−]

85

mg/l

500

Bicarbonate [HCO3]

61

mg/l

400

Sodium absorption rate [SAR]

4.3

mg/l

9

Sodium [Na+]

163

mg/l

230

Potassium [K+]

75

mg/l

Magnesium [Mg++]

30

mg/l

100

Calcium [Ca++]

215.8

mg/l

230

Fluoride [F]

12.46

mg/l

15

Phosphate [PO4+++]

mg/l

30

Lithium [Li]

mg/l

2.5

Phenol

mg/l

0.002

Total dissolved solids [TDS]

2472

mg/l

3000

Total suspended solids [TSS]

2.2

mg/l

 < 30

Biochemical oxygen demand [BOD]

13

mg/l

 < 400

Aluminum [Al+++]

15.3

mg/l

20

Arsenic [As+++]

 < 0.001

mg/l

2

Beryllium [Be++]

0.3

mg/l

0.5

Copper [Cu++]

0.12

mg/l

5

Iron [Fe++]

1.9

mg/l

20

Manganese [Mn++]

0.27

mg/l

10

Nickel [Ni++]

0.06

mg/l

2

Lead [Pb++]

0.49

mg/l

10

Selenium [Se]

 < 0.001

mg/l

0.02

Cadmium [Cd]

 < 0.001

mg/l

0.01

Zinc [Zn++]

0.38

mg/l

10

Chromium [Cr]

0.11

mg/l

1

Mercury [Hg]

 < 0.001

mg/l

0.002

Vanadium [V]

 < 0.001

mg/l

1

Cobalt [Co]

 < 0.001

mg/l

5

Boron [B]

1.31

mg/l

2

Molybdenum [Mo]

 < 0.001

mg/l

0.01

  1. Bold are indicates the high levels of pollutants