Comparisons according to wastewater characteristics

The average concentrations of biochemical oxygen demand (BOD), chemical oxygen demand (COD), total phosphorus (TP), ammonium (NH4), and total suspended solid (TSS) of wastewater generated in Germany were 305, 547, 8.2, 72, and 336 mg/l, respectively. In case of Jordan's wastewater, the concentrations for the same parameters were 741, 1660, 30, 85, and 695 mg/l, so it was classified as a strong wastewater as shown in Table 36.1. The high strength of Jordan's waste-water was related to the illegal connections of industries and slaughterhouses, and to the low water consumption. The average supplied water in Jordan is about 120 l/c.d. Due to the high water losses (52%), the actual water consumption is far below this value and it is estimated to be about 60 l/c.d. The average water consumption in Germany is about 127 l/c/d (DWA, 2006).

Table 36.1 Wastewater characteristics in Germany and Jordan.

Indicator

Influent

Effluent

(mg/l)

(mg/l)

Germany

Jordan

Germany

Jordan

Number of (plants)

6086

20

6086

20

BOD

305

741

4.7

49

COD

547

1660

29

191

TN

50.7

*

8.3

*

TP

8.2

30

0.78

23

nh4

72

85

1.65

27.8

TSS

336

770

5.1

62

* Not measured, ** For 389 plants in the northern districts.

* Not measured, ** For 389 plants in the northern districts.

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Getting Started With Solar

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