The Elements in the Second Rank

Table 3.4.
Concentration of metals in selected waste types. Each result is the average of samples from two plants. When individual values differ more than ±50% from the average value, both values are given.

 

Element

Treated waste water

Sewage sludge

Sediment, road runoff basin

Compost*

Leachate, landfill

Leachate, waste product**

Stack gas, waste incineration***

Unit

mg/L

mg/kg dw

mg/kg dw

mg/kg dw

mg/L

mg/L

mg/m3

Lead

0.33-1.9

110,000

210,000

39,000

2.6

320

18-280

Cadmium

0.12

3,000

2,200

440

0.35

13-670

1.3-24

Antimony

0.45-1.3

4,100

580-3,900

280

5.7

1.9-8.8

0.48-<5

Beryllium

<0.03

330

780

300

<0.03

<0.03

<2.6-<0.2

Bismuth

<0.03

1,500

500-1,900

140

<0.2

<0.2

<0.016-<5

Boron

800

76,000

44,000

33,000

1,700-9,400

1,100

-

Gallium

<0.02-0.12

2,200-6,400

4,700

1,800

0.24

0.23

<0.11-<0.2

Indium

<0.009

34-94

65

17

<0.04

<0.04

<0.045-<0.2

Lithium

16

5,500

16,000

4,700

49-200

330

<9.1-1.0

Molybdenum

4.3

11,000

3,700-11,000

1,500

0.5-9.0

27-1.100

120-1.5

Palladium

0.85

1,000

920

350

1.9

0.077-<0.03

0.22

Platinum

0.063

24

13

4.8

<0.03

<0.03-0.22

<0.041-<0.2

Vanadium

1.9

23,000

58,000

15,000

70

29-220

<39-<5.2

   
* Compost from garden and MSW waste.
** Leachate from disposal site with residuals from semi-dry and wet waste gas treatment
*** Stack gas from waste incineration after semi-dry and wet waste gas treatment, respectively