Modeling and optimization of finger millet pearling process by using RSM
Ranjit Powar1, Vijay Aware2, Prashant Shahare2
1Department of Farm machinery and Power Engineering, Dr. D. Y. Patil College of Agricultural Engineering and Technology Talsande, Kolhapur, 416 112 India.
Journal of Food Science and Technology
|July 6, 2019
Summary
Optimizing finger millet pearling drum parameters like speed, clearance, and sieve size significantly boosts pearling efficiency to 99% while minimizing grain damage to 0.5%. This enhances the finger millet processing efficiency.
Area of Science:
- Agricultural Engineering
- Food Processing Technology
Background:
- Finger millet processing involves labor-intensive operations, highlighting the need for efficient machinery.
- The performance of a finger millet pearling drum is contingent upon its operational parameters.
Purpose of the Study:
- To optimize operational parameters of a finger millet pearling drum.
- To achieve maximum pearling efficiency and minimum grain damage.
Main Methods:
- Utilized Response Surface Methodology (RSM) combined with Box-Behnken Design.
- Investigated the impact of drum speed, concave clearance, and pearling sieve size.
Main Results:
- Optimal parameters identified: drum speed 7.25 m/s, concave clearance 3 mm, sieve size 2 mm.
- Predicted maximum pearling efficiency of 98.95% and minimum grain damage of 0.73%.
- Validated performance achieved 99% pearling efficiency and 0.5% grain damage.
Conclusions:
- The optimized finger millet pearling drum demonstrates superior performance compared to predictions.
- The developed operational parameters significantly improve finger millet processing efficiency and grain quality.
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