TY  - SER
AU  - Obaldo,Leonard Ganir
AU  - Jindal,Vinod Kumar
AU  - Kim,Kong-Hwan
AU  - Exell,Robert H.B.
AU  - Mol,J.J.
ED  - Carl DuisDerg-Gesellschaft (CDG)  Federal Republic of Germany, 
TI  - Conduction drying of parboiled paddy in a screw conveyor heat exchanger
T2  - Thesis
PY  - 1983///
CY  - Bangkok
PB  - Asian Institute of Technology
KW  - Rice, Parboiled
N1  - A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Environment, Resources and Development; Thesis (M.Eng.) - Asian Institute of Technology, 1983
N2  - An auger conveyor dryer tired by a rice husk was modified  for drying parboiled paddy . Forty drying tests were employed to determine the individual and combined effects of experimental variables in relation to drying rate and milling quality of parboiled paddy. The rice husk furnace was e valuated based on  rice husk teed rate and furnace draft .  The simple and modified exponential models adequately  represented the experimental data. However, the simple  exponential. model fitted best as evidenced by its stronger  sensitivity in showing the effects of agitation speed a nd t rough  temperature . Both drying rate and milling quality were  significantly influenced by auger speed , trough temperature and  hold time while paddy fee d rate did not show any meaningful  effect. Differences in the milling recovery of conducti on-dried ,  air-dried and s hade-dried paddy were not significant. Their  corresponding head rice yields, however, were observed  otherwise . Conduction-dried paddy indicated a relatively lower head rice yield compared to heated air-dried and shade tried paddy . However, further statistics confirmed that their head rice yields were comparatively equal at optimum operation of the conduction dryer. The percent breakage in the impact tester showed a direct correlation with percent head rice obtained from  standard laboratory testing mill
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ER  -