Impact dehulling of sunflower seeds: effect of operating conditions and seed characteristics
1990
Subramanian, R. | Sastry, M.C.S. | Venkateshmurthy, K.
The effectiveness of dehulling of sunflower seeds was studied as a function of characteristics of the seed (variety, size and moisture) and of operating conditions (feed rate and impeller speed). The overall performance was expressed in terms of shelling efficiency and fines production. Variety EC-68415 showed greater shelling efficiency and percent fines than the Morden variety. Shelling efficiency and percent fines increased with (i) increase in size of seed, (ii) increase in impeller speed, (iii) decrease in feed rate, and (iv) decrease in the seed moisture content. Equations relating shelling efficiency to moisture content, impeller speed and feed rates for the Morden variety are proposed.
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