Characteristics of Animal Wastes

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Presentation transcript:

Characteristics of Animal Wastes Table 1. VARIABLES USED TO CHARACTERIZE WASTES Variable Units of Measurement Quantity produced Kg/day Moisture content % Strength, 5-day BOD Mg/liter Solids total Kg/day/unit volatile suspended Nitrogen mg/liter as N ammonia Phosphorus, total pH mg/liter as P

Table 2. RUNOFF FROM BEEF FEEDLOTS Variable Units of Measurement (Kg/Day/1000 KG) Reference Quantity produced 5% OF TOTAL Madden and Dornbush(1971) Moisture content - Strength, 5-day BOD 1.67 McCalla and Viets(1969) Solids total 0.10 volatile 0.05 suspended Nitrogen 0.33 Witzel et al.(1966) ammonia 0.11 Phosphorus, total pH

Table 3. BEEF CATTLE MANURE Variable Units of Measurement (Kg/Day/1000 KG) Reference Quantity produced 75.0-90 Witzel et al.(1966) Am. Soc. Afric. Eng.(1977) Moisture content 85% Strength, 5-day BOD 1.0-1.6 Solids total 7-12 volatile 5.9-10.2 suspended - Nitrogen 0.26-0.40 Taiganides and Hazen(1964) ammonia 0.11 Phosphorus, total 0.18 pH 7.3

Table 4. DAIRY CATTLE MANURE, STACKED AND STORED Variable Units of Measurement Reference Quantity produced 50 Kg/day/animal Cramer et. Al. (1971) Strength, COD 160,000-268,000 mg/liter Solids total 18-30% volatile 75-89% of TS suspended - Nitrogen 4,100-6,900 mg/liter ammonia 700-2,500 mg/liter Phosphorus, total 3,800-6,900 mg/liter pH 6.6-8.6

Table 5. LIQUID SEEPAGE FROM STACKED MANURE AND BEDDING Variable Units of Measurement Quantity produced 4.5-11.0 liter/day/cow Strength, 5-day BOD 4,200-31,000 mg/liter Solids total 1.8-4.3% volatile 0.9-2.6% suspended 0.2-0.8% Nitrogen 1,200-2,900 mg/liter as N ammonia 780-2,200 mg/liter as N Phosphorus, total 64-500 mg/liter as P pH 6.4-7.8

Table 6. DAIRY MANURE CHARACTERISTICS Variable Units of Measurement (Kg/Day/1000 KG) Reference Quantity produced 36-45 Am. Soc. Afric. Eng.(1977) Moisture content 85% Strength, 5-day BOD 0.6-0.78 Weller(1970) Solids total 3.0-4.7 Hart and Turner(1965) volatile 2.6 Witzel et. al. (1966) suspended 2.0 Nitrogen 0.17 ammonia 0.10 Phosphorus, total 0.05 pH -

Table 7. HOG WASTE Variable Units of Measurement (Kg/Day/100 KG) Reference Quantity produced 6.7 Moisture content 75-85% Strength, 5-day BOD 0.20-0.25 Schmid and Lipper(1969) Little(1966) Solids total 0.50-0.97 Clark(1965) Taiganides et. al. (1964) volatile 0.35-0.80 suspended - Nitrogen 0.032-0.064 Hart and Turner(1965) ammonia 0.024 Phosphorus, total 0.025-0.037 pH 7.5-8.5 Townshend et. al. (1969)

Table 8. POULTRY DROPPING Variable Units of Measurement (Kg/Day/Bird)1 Reference Quantity produced 0.11 Moisture content 75% Strength, 5-day BOD 0.007-0.0015 Little(1966) Solids total 0.03 Dornbush and Anderson(1964) Hart and Turner(1965) Stewart and McIlwain(1971) volatile 0.020-0.022 suspended - Nitrogen 0.0014-0.0028 Taiganides and Hazen(1964) ammonia 0.0010-0.0016 Phosphorus, total 0.0005-0.0021 pH