Skip to main content

Table 5 Ranges of yearly average concentrations of TN in the effluent of the WWTP [12]

From: Developing EU environmental standards for the food, drink and milk industries: key environmental issues and data collection

FDM subsector

Yearly average TN concentration (mg/l)

Direct discharge

Indirect discharge

Landspreading

Animal feed

2.4–12

89–231

NI

Brewing

4.8–25

26.5–81.5

NI

Dairies

1.1–23.4

38–214

4.2–111

Ethanol production

NI

NI

NI

Fish and shellfish processing

NI

NI

NI

Fruit and vegetables

0.4–22.8

10.2

9–105

Grain milling

NI

NI

NI

Meat processing

2.4–17.9

33–358

53

Oilseed processing and vegetable oil refining

0.9–15.3

2.5–110

NI

Olive oil processing and refining

NI

4

NI

Soft drinks and nectar/juice

1.3–4.1

10

11.7

Starch production

3–13.4

4.3

55–2 150

Sugar manufacturing

1.7–26.3

265

86

All FDM subsectors

0.4–26.3

4–358

4.2–2150

  1. NI no information provided