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Canadian corn producers are attempting to improve the quality of their grain to a level that is acceptable to industrial corn processors, and also to reduce their dependence on high-grade fuels (e.g. pro pane) normally required for drying. Low-temperature drying has the potential to meet both of these objectives. The quality of corn dried with a low-temperature system is high if spoilage is avoided (Brown et al. 1979). The system is also less vulnerable to fluctuating sup plies and prices of petroleum since electricity is the primary energy input and electrical power is abundant in Ontario. Thompson (1972) concluded from a computer simulation study of low-temperature corn drying that deterioration of grain is doubled for each 2% increase in initial moisture content, in the range of 20-25% moisture. Shove (1976) has developed design guidelines for low-temperature corn drying in the Midwestern United States. He recommends an airflow rate of 27 L/sec.m3 of grain (2 cfm/bu) for corn harvested at 24% moisture content, and 40 L/sec.m3 of grain (3 cfm/bu) for an initial moisture content of 26%. Drying times at these airflow rates should be from 3 to 4 wk. During periods of adverse weather conditions, the drying air stream should be heated 2-5
low-temperature and combination corn drying in ontario
Otten, L. and R. B. Brown 1982. LOW-TEMPERATURE AND COMBINATION CORN DRYING IN Ontario. Canadian Agricultural Engineering 24(1):51-56.
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