The effect of temperature and residence time on aerobic treatment of piggery slurry-Degradation of carbonaceous compounds

M. R. Evans*, E. A. Deans, R. Hissett, M. P.W. Smith, I. F. Svoboda, F. E. Thacker

*Corresponding author for this work

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Abstract

The effects of reaction temperature (25 to 50°C) and mean microorganism residence time (0·18 to 8 days) in the aeration vessel of a continuous-culture system for the treatment of piggery slurry are outlined. A model developed to describe the effect of mean residence time on the characteristics of piggery slurry is used to produced a series of correlating equations for residual COD, TS, TSS and BOD5. These equations are compared with equations developed earlier for treatment at 15°C.

Original languageEnglish
Pages (from-to)25-36
Number of pages12
JournalAgricultural Wastes
Volume5
Issue number1
DOIs
Publication statusPrint publication - Jan 1983

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