fly ash landfill

Preview:

Citation preview

Table (1). Heavy metals in oil and ash samples (ug/g). Pb Sb Cd Se As Zn Cu Ni Co Mn Cr V Ti

0.16

4

0.028

12

LLD LLD LLD 0.69

8

0.60

5

12.5

4

0.58

23

0.04

12

0.46

6

113

8

0.11

73

Fuel oil

%RSD

9.2

7

0.032

10

0.073

11

0.46

17

0.39

7

56

8

46

7

20

8

4.5

6

15

7

13

8

15

12

11

8

Crude

%RSD

0.18

5

0.024

6

0.005

24

LLD 0.07

29

1.76

5

0.47

4

16

2

6.3

7

0.18

7

0.62

0

225

11

0.12

70

Medium

%RSD

0.28

6

LLD 0.01

32

0.06

68

LLD 0.27

50

0.50

10

39

8

3.3

16

0.15

12

0.72

11

250

7

1.9

12

H. oil

%RSD

87

4

0.97

2

1.99

1

1.90

10

2.6

2

634

3

180

4

4824

5

156

6

258

4

107

2

27 k

9

47

1

Ash

%RSD

556 34 200 475 86 915 302 385 271 6059 235 240 412 factor

%RSD uncertainties of three replicates., LLD (As)=0.03, LLD(Se)=0.004; LLD(Sr)=0.004; Cd=0.01;

LLD(Sb)=0.02.

Table (2). Radioactivity concentration (Bq/kg) in ashes of burned fuel oil No6.

40

K 238U 235

U 232Th

* 232Th

+ 212Bi 214

Bi 208Ti 214

Pb 212Pb 226

Ra 223Th

20

5 0.65

3.6 4*10

4

6 38

10 0.48

3 70

10 16.7

6 27

35 17

5 63

10 16

14 112

14 X

% + Th and U were directly measured by ICP_MS and then the activities were calculate

This 232

Th value was obtained assuming secular equilibrium along the series and it is clearly

estimated.

Fly ash land fill impact on the surrounding environment

Fly ash land fill impact on the surrounding environment

علي البيئة المحيطة للمردمأثار سالبة واضحة

علي البيئة المحيطة للمردمأثار سالبة واضحة

الممارسات الخاطئة في إدارة المردم

الممارسات الخاطئة في إدارة المردم

Traps for coming generations

Fly ash despersion

Recommended