Operation time

TDS (mg/l )

unit

Ca++

Mg++

Na+

K +

Total cations

CO3--

HCO3-

SO4--

Cl-

Total anions

Hypothetical salts (%)

NaCl

MgCl2

CaCl2

CaSO4

Ca(HCO3)2

Pre-treatment
(Row water)

13986.07

mg/l

1009

589.3

3261

60

 

242.19

0

244

1970

6975

 

241.69

59

20

3

16

2

me/l

50.34

48.46

141.85

1.53

0

3.99

41.02

196.70

%

20.79

20.01

58.57

0.63

0

1.65

16.97

81.38

Produced water after 8 hr.

7036.78

mg/l

582

259.3

1630.5

20

 

121.80

0

134.2

950

3534

 

121.43

58

18

6

16

2

me/l

29.04

21.32

70.93

0.51

0

2.19

19.78

99.66

%

23.84

17.51

58.23

0.42

0

1.64

16.29

82.07

Produced
water after
16 hr.

5856.81

mg/l

388

188.6

1535.5

17

 

102.10

0

122

520

3162

 

101.49

66

15

6

11

2

me/l

19.36

15.51

66.79

0.43

0

1.99

10.83

89.17

%

18.96

15.19

65.42

0.43

0

1.47

10.67

87.86

Produced
water after
24 hr.

5059.11

mg/l

213.4

153.2

1442

17

 

86.41

0

91.5

320

2883

 

88.96

73

15

3

7

2

Table 3: Chemical analysis data of raw water and post treatment of extremely samples using CA & PEG reverse Osmosis membrane.