128
G. Al-Sharrah and H. M. S. Lababidi
Table 3 Chemical composition of rejected brine from six inland desalination plants in the GCC
(Mohamed et al. 2005)
No Parameter
Alssadanat,
Oman (a)
Umm
Alquain,
UAE (b)
Hamriyah,
Sharjah,
UAE (c)
Saja’a
Sharjah
UAE (d)
Buwaib
Saudi
Arabia (e)
Salboukh
Saudi
Arabia (f)
1
Ca ++ , mg/l 923
202
173
188
573
404
2
Mg ++ , mg/l 413
510
311
207
373
257
3
Na ++ , mg/l 2780
3190
1930
4800
2327
1433
4
K ++ , mg/l
81.5
84.5
50.7
60
NA
NA
5
Sr ++ , mg/l 28.2
21.1
14.2
40
NA
NA
6
Sum cation,
meq/l
203.06
192.98
119.48
NA
NA
NA
7
pH
7.21
7.54
7.66
7.95
4.1
4.5
8
Electrical
conductivity,
mS/cm
16.8
14.96
127.41
NA
NA
NA
9
TDS, mg/l
10,553
10,923
7350
12,239
10,800
6920
10 NO 3 , mg/l
7.2
27.4
15.9
NA
143
142
11 F − , mg/l
0
1.6
1.3
8.0
NA
NA
12 Cl − , mg/l
4532
4108
2933
4860
2798
1457
13 SO 4 , mg/l
1552
2444
1537
2400
4101
2840
14 SiO 2 , mg/l
NA
164.09
133.71
120
NA
NA
15 Carbonate
(CO 3
− ),
mg/l
NA
NA
NA
NA
NA
NA
16 Bicarbonate
(HCO 3
− ),
mg/l
466
656
753
NA
NA
NA
17 N −
1.6
6.2
3.6
NA
NA
NA
18 Sum anions,
meq/l
167.88
198.05
127.41
NA
NA
NA
19 Ion balance 9.48
4.02
−3.21
NA
NA
NA
20 SAR
19.12
27.2
20.3
NA
NA
NA
21 SER
59.55
71.91
70.27
NA
NA
NA
22 LSI
1.24
1.04
1.26
NA
NA
NA
23 R.I.
4.73
5.46
5.14
NA
NA
NA
24 Total ion,
mg/l
10781
11245
7719
NA
NA
NA
25 Total
alkalinity
380
538
617
NA
NA
NA
26 Total
hardness
4041
2630
1730
NA
2968
2066
27 Fe, meq/l
0.06
0.08
0.05
NA
65.5
NA