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Poultry waste digester. Final progress report

Author
Shih, J. C. H.
Published
United States : [publisher not identified], 1983
Springfield, Va.: National Technical Information Service, [approximately 1983]
Physical Description
microfiche : negative ; 11 x 15 cm

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Summary
A simple and low-cost poultry waste digester (PWD) was constructed at North Carolina State University's Poultry Research Farm at Raleigh, N.C. The PWD system was designed to process a daily output of 600 kg of manure from 4000 caged laying hens. The system consisted of two digesters connected in series, a heating system, a hot water tank, and other metering equipment. The primary and secondary digesters were horizontal cylinders located partially below ground level. They were made of Red Mud plastic lining, supported in the insulated trenches, and covered with insulated roofs. The primary digester volume was 15 m3 with an 8 m3 liquid volume and a gas head-space above the liquid. The secondary digester volume was 30 m3 with a 16 m3 liquid volume. The temperature (50/sup 0/C) of the primary digester was maintained by the hot dilution water added with manure and a SolaRoll heating mat laid underneath the plastic lining. The design, operation, performance, energy balance, and economics of the digester are discussed and evaluated in this final progress report.
Report Numbers
DE84000282; DOE/R4/10203-T1
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: FG44-80R410203
OSTI Identifier 5632941
Research organization: Shih (Jason C.H.), Raleigh, NC (USA).
View MARC record | catkey: 47335380