Organic Waste Recycling

264 Organic waste recycling: technology and management

References Schroeder (1977) Wohlfarth and Schroeder (1979) Maramba (1978) Djajadiredja and Jangkaru (1978) Thorslund (1971) Tang (1970) Edwards (1985) Edwards (1985) Edwards (1985) Edwards (1985) Colt

et al

(1975)

Henderson (1983) Edwards

et al

(1984)

Edwards

et al

(1988)

RemarksExtrapolated from experiments Extrapolation Indian Carp Common Carp Poly culture, Chinese carp and common carp Channel catfish Silver carp, big head carp Tilapia (extrapolation) Tilapia (extrapolation)

Yield10,950 kg/(ha-day) 14,600 kg/(ha-day) 8,000 kg/(ha-day) 7,500 kg/(ha-day) 400-500 kg/(ha-growing season) 6,893-7,786 kg/(ha-year) 958-1,373 kg/(ha-year) 6,000-10,000 kg/(ha-growing season) 500 kg/(ha-growing season) 1,700 kg/(ha-growing season) 126-218 kg/(ha-year) 5000 kg/(ha-year) 5,000-6,000 kg/(ha-year) 3,700 kg/(ha-year)

Types of waste Cattle manure Duck manure and waste duck foo

d

Biogas slurry Live stock waste Sugar beet waste N

ightsoil

Wastewate

r

Wastewate

r

Wastewater, loadings = 30-77 kg BOD

/(ha-day) 5

Wastewater Wastewater effluent, 37 % Wastewate

r

Septage, loading = 150 kg/COD/(ha-day) Biogas slurry, loading =100 kg COD/(ha-day)

CountryIsrael PhilippinesIndonesiaPolandTaiwanCalcutta, India ChinaMunich,GermanyHungaryU.S.A Asian Institute of Technology, Thailand

Table 6.1 Fish yields in waste-fed ponds