A study was conducted to test the efficiency of electrolytic treatment in the control of odourous substances of stored swine slurries. For this purpose, a pair of copper electtrodes were placed, at a distance of 50 m from each other, in a pit (50 x 5.4 x 2.0 m) containing 540 m(3) of diluted swine slurries (31 g/L COD, 1-2% TS). Every 10 minutes, alternate current (intensity 1,498 mA maximum density 136,4 mA/dm(2)) was applied for 90 days. Results showed that a better control of odours was obtained with electrolytic treatment than with storage only (final cooncentration: 73 and 111 T.O.N., respectively), After electrolytic treatment a decrease of ATP content was associated with odour reduction, a lower N-NH3 concentration (78% versus 89%) and the absence of crust formation an the surface. No relationship was found between the number of microorganisms and odour reduction.
Electrolytic treatment of swine liquid manure in a full scale experiment / G. Ranalli, R. Chiumenti, L. Donantoni, C. Sorlini. - In: JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, ENVIRONMENTAL SCIENCE AND ENGINEERING & TOXIC AND HAZARDOUS SUBSTANCE CONTROL. - ISSN 1077-1204. - 31:7(1996), pp. 1705-1721.
Electrolytic treatment of swine liquid manure in a full scale experiment
C. SorliniUltimo
1996
Abstract
A study was conducted to test the efficiency of electrolytic treatment in the control of odourous substances of stored swine slurries. For this purpose, a pair of copper electtrodes were placed, at a distance of 50 m from each other, in a pit (50 x 5.4 x 2.0 m) containing 540 m(3) of diluted swine slurries (31 g/L COD, 1-2% TS). Every 10 minutes, alternate current (intensity 1,498 mA maximum density 136,4 mA/dm(2)) was applied for 90 days. Results showed that a better control of odours was obtained with electrolytic treatment than with storage only (final cooncentration: 73 and 111 T.O.N., respectively), After electrolytic treatment a decrease of ATP content was associated with odour reduction, a lower N-NH3 concentration (78% versus 89%) and the absence of crust formation an the surface. No relationship was found between the number of microorganisms and odour reduction.Pubblicazioni consigliate
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