A comparison of carbon dioxide and burner gas as replacement atmospheres for control of grain pests in a welded steel silo.
Bell, C. H., Chakrabarti, B., Llewellin, B. E. and Wontner-Smith, T. J.
Postharvest Biology and Technology Year: 1993 Vol: 2 Issue: 3 Pages: 241-253 Ref: 19 ref.
1993
บทคัดย่อ
Tests were conducted in the UK on a well-sealed, 100-tonne capacity bin to compare the use of carbon dioxide and the use of exhaust gas of propane combustion as modified atmospheres for the control of Cryptolestes ferrugineus and Sitophilus granarius in grain storage. Both treatments caused satisfactory mortality, and for both the efficiency of purge increased with flow rate over the range tested. Atmosphere maintenance was accomplished more efficiently by adding gas to the head space rather than the hopper bottom. The advantage of head-space maintenance was greater for burner gas (<1% O2) than for 60% CO2 in air. The costs were up to 10 times greater for CO2 than for burner gas.