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Paster, N.
Calderon, M., Department of Stored Products, ARO, The Volcani Center, POB 6, Bet Dagan 50-250, Israel
Menasherov, M.
Mora, M., CIGRAS, University of Costa Rica, San Jose, Costa Rica
The production of modified atmospheres (MAs) by composting peanut shells (PS) and wheat bran (WB), was studied at moisture contents (MCs) of 25, 30, 35 and 40%. The MAs were produced specially designed plastic cans (biogenerators). The transfer of the atmosphere obtained in biogenerators, by composting PS (30% MC), WB (35% MC) and orange peel (OP) at 80% MC, to bin containing 20 kg corn, was also investigated. WB wetted to 40% MC yielded the highest CO2 levels (25%) following 48h incubation. However, the same CO2 levels were recorded after 4 additional days at all MCs tested. High CO2 concentrations were produced in biogenerators containing PS at all MCs tested within 48h, but the CO2 content then decreased gradually. The amount of CO2 transferred to the corn bins from biogenerators containing OP was significantly higher and the O2 content of the bins significantly lower than for the other substrates after 4 and 7 days, whereas after 10 days the differences in CO2 content were not significant. This study and its findings may serve as a model for further investigation in this field. © 1990.
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Biogeneration of modified atmospheres in small storage containers using plant wastes
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Paster, N.
Calderon, M., Department of Stored Products, ARO, The Volcani Center, POB 6, Bet Dagan 50-250, Israel
Menasherov, M.
Mora, M., CIGRAS, University of Costa Rica, San Jose, Costa Rica
Biogeneration of modified atmospheres in small storage containers using plant wastes
The production of modified atmospheres (MAs) by composting peanut shells (PS) and wheat bran (WB), was studied at moisture contents (MCs) of 25, 30, 35 and 40%. The MAs were produced specially designed plastic cans (biogenerators). The transfer of the atmosphere obtained in biogenerators, by composting PS (30% MC), WB (35% MC) and orange peel (OP) at 80% MC, to bin containing 20 kg corn, was also investigated. WB wetted to 40% MC yielded the highest CO2 levels (25%) following 48h incubation. However, the same CO2 levels were recorded after 4 additional days at all MCs tested. High CO2 concentrations were produced in biogenerators containing PS at all MCs tested within 48h, but the CO2 content then decreased gradually. The amount of CO2 transferred to the corn bins from biogenerators containing OP was significantly higher and the O2 content of the bins significantly lower than for the other substrates after 4 and 7 days, whereas after 10 days the differences in CO2 content were not significant. This study and its findings may serve as a model for further investigation in this field. © 1990.
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