Utilization of raw rice-hull as fuel for natural convection flue-curing barns.
1994
Franco S.S. | Sambo C.S. | Sandoval R.H. | Layaoen H.L.
The utilization of raw rice-hull as fuel for natural convection flue-curing barns was evaluated at the Main Research Center of the National Tobacco Administration in Batac, Ilocos Norte [Philippines]. It was found that raw rice-hull could substitute a substantial portion of the fuelwood requirement in flue curing tobacco. In terms of energy use, rice-hull accounted for 71.6 percent and fuelwood, 28.4 percent. The fuelwood substitution is 61.8 percent by weight at 15 percent moisture content (wet basis). Translated into the volume of fuelwood needed for one hectare, the use of rice-hull will eliminate the use of 18 cu.m. of fuelwood. This is equivalent to fuelwood savings of P2,700.00, P4,950.00, and P7,200.00 under prevailing prices in Ilocos Norte, Ilocos Sur, and La Union, respectively. The potential savings in fuelwood which mean reduced cutting of trees and the productive and proper disposal of rice-hull will have favorable effect on the environment.
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