Organic Waste Recycling

52 Organic waste recycling: technology and management

Table 2.17 Characteristics of slaughterhouse wastewater (Brolls and Broughton 1981)

Item Lower range Upper range

BOD 5 (mg/L) 360 - 1,880 900 - 2,600

Suspended solids (mg/L) 489 - 1,450 600 - 1,800

Organic N (mg/L) 36 - 510 -

Grease (mg/L) 88 - 440 200 - 800

Chlorides (mg/L) as Cl 190 - 5,690 -

pH 6.5 - 8.4 6.1

COD (mg/L) - 2,000 - 4,900

Flow (L/1000 kg live wt.) 1,690 - 7,920

Table 2.18 Characteristics of meat packing wastewater

a

(Brolls and Broughton 1981)

Item Average Range

BOD 5 (mg/L) 1,240 600 - 2,720

COD (mg/L) 2,940 960 - 8,290

Organic N (mg/L) 85 22 - 240

Grease (mg/L) 1,010 250 - 3,000

Suspended solids (mg/L) 1,850 300 - 4,200

Volatile suspended solids (mg/L) 92 80 - 97

a Composite samples from 16 plants

Table 2.19 Characteristics of poultry processing wastewater (Visittavanich 1987)

Parameters Mean Range

COD (mg/L) 2110 1260 - 3260

BOD 5 (mg/L) 1010 520 - 1740

TKN (mg/L) 150 90 - 200

TS (mg/L) 1940 1290 - 2640

Total P (mg/L) 14 12 - 17

pH 7.1 6.7 - 7.7