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Bulk Solids Research & Outreach Programs
Kingsly Ambrose
May 08, 2014
• The first land-grant institution in
the U.S., founded in 1863
• Over 23,000 students enrolled in
more than 200 undergrad...
• Formed out of the Department of Chemistry in 1910 to address
the growing needs of the “modern” milling industry
• Only u...
• Range from a bench scale mill (0.5 kg/h) to pilot mill (1 MT/h)
– Batch vs. continuous
– Scale & complexity
– Level of t...
Principles of Milling - Teaching Labs
Hal Ross Flour Mill
International Grains Program (IGP)
• 20,000 square feet
• State-of-the art audio/visual capabilities
• $4 million project ...
• Comprehensive extrusion lab to continue specialization on snacks, ready-to-
eat breakfast cereals, pet foods and aquatic...
• Latest industry technologies
(cleaning and peeling, color-sorting,
roller mills, sifting and pneumatics)
• Hard, soft an...
• Teaching, research, service facility
• Science and education wing
• $13.5 million project
O.H. Kruse Feed Technology Inn...
Bulk Solids Teaching, Research
and Outreach Programs
Teaching
• Undergraduate courses
– Bulk Materials Handling
– Pneumatic Conveying of Dry Solids
• Graduate courses
– Partic...
Research
• Surface properties
• Bulk flow characterization
• Particle modeling
‒Particulate Flow and Materials Handling
‒P...
Surface Characterization of Solids
• Surface chemistry
• Liquid bridging
• Surface roughness, surface energy, cohesion
‒Si...
Flow of Solids
• Effect of impurities on bulk flow of grains
• Flow characteristics of Dried Distillers Grains
with Solubl...
Particle Modeling
• Modeling the wheat milling process
Collaborator:
Particle Modeling
• Flow of grains in a continuous grain dryer
Sponsor:
Particle Selection
Particles Positions
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
0.0 0.5 1.0 1.5 2.0 2.5 3.0...
Heat Transfer Modeling
• Cooling pattern of dried distillers grains with
solubles (DDGS)
Sponsor:Predicted temperature
pro...
Grain Dust
• Quantifying cohesive force
• Grain dust dispersion pattern
o Grain dust explosion incidents data collection and
reporting
o Grain dust explosion prevention workshops
o For workers/s...
Short Course on Bulk Solids Handling, Storage
• Venue: Department of Grain Science and Industry
• Date: 27-30 October, 201...
Short Course on Bulk Solids Handling, Storage and Flow
Current
• Experimental Milling Facilities (wheat, specialty crop)
• Powder Rheometer
• Moisture sorption analyzer
• Lab-sc...
Bulk Solids Innovation Center
• K-State’s new initiative
• Research, education and testing facility @
Salina, KS
• In coll...
Thank You!
kingsly@ksu.edu
Ph: 785-532-4091
http://www.grains.k-state.edu/particle_technology/Home.html
Bulk Solids research and outreach programs at Kansas State University
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Bulk Solids research and outreach programs at Kansas State University

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Kingsly Ambrose, Ph.D., Assistant Professor, Grain Science and Industry Department,
Kansas State University

Published in: Engineering, Technology, Business
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Bulk Solids research and outreach programs at Kansas State University

  1. 1. Bulk Solids Research & Outreach Programs Kingsly Ambrose May 08, 2014
  2. 2. • The first land-grant institution in the U.S., founded in 1863 • Over 23,000 students enrolled in more than 200 undergraduate and 100 graduate programs Kansas State University
  3. 3. • Formed out of the Department of Chemistry in 1910 to address the growing needs of the “modern” milling industry • Only university-based program in the world that offers the combination of UG and graduate degree programs of its kind: – BS Milling Science and Management Bakery Science and Management Feed Science and Management – MS/PhD Grain Science Department of Grain Science & Industry
  4. 4. • Range from a bench scale mill (0.5 kg/h) to pilot mill (1 MT/h) – Batch vs. continuous – Scale & complexity – Level of technology • Teaching lab: Experimental mills (table top Ross mill, Brabender Junior and Senior, Buhler, Miag), hammer mills, ball mill, attrition mill. • Specialty dry mills (purify, fractionate, and grind and seed-like material, including cereals, pseudocereals, legumes, pulses, spices, gums) • Flour & dough testing, cereal chemistry and research labs Grain Processing Facilities
  5. 5. Principles of Milling - Teaching Labs
  6. 6. Hal Ross Flour Mill
  7. 7. International Grains Program (IGP) • 20,000 square feet • State-of-the art audio/visual capabilities • $4 million project funded largely by Kansas crop producers
  8. 8. • Comprehensive extrusion lab to continue specialization on snacks, ready-to- eat breakfast cereals, pet foods and aquatic feeds • Advanced fermentation methods • Industrial application of cereal grains and oilseeds • Client laboratory and office space Bioprocessing and Industrial Value-Added Program (BIVAP)
  9. 9. • Latest industry technologies (cleaning and peeling, color-sorting, roller mills, sifting and pneumatics) • Hard, soft and Durum wheat • Whole wheat milling • Specialty milling of corn and sorghum • Simulate various mill flow lengths • Flexible equipment research area Hal Ross Flour Mill
  10. 10. • Teaching, research, service facility • Science and education wing • $13.5 million project O.H. Kruse Feed Technology Innovation Center
  11. 11. Bulk Solids Teaching, Research and Outreach Programs
  12. 12. Teaching • Undergraduate courses – Bulk Materials Handling – Pneumatic Conveying of Dry Solids • Graduate courses – Particle Technology for Solids Handling and Processing • Distance Learning – Preventing and Responding to Grain Dust Explosions (GEAPS/KSU distance learning; 1 CEU)
  13. 13. Research • Surface properties • Bulk flow characterization • Particle modeling ‒Particulate Flow and Materials Handling ‒Process Modeling and Simulation
  14. 14. Surface Characterization of Solids • Surface chemistry • Liquid bridging • Surface roughness, surface energy, cohesion ‒Sifting characteristics; caking Collaborator Liquid bridging Surface fat in wheat flour AFM image of wheat flour
  15. 15. Flow of Solids • Effect of impurities on bulk flow of grains • Flow characteristics of Dried Distillers Grains with Solubles (DDGS) • Evaluating the flow of pet-food ingredients Sponsors:
  16. 16. Particle Modeling • Modeling the wheat milling process Collaborator:
  17. 17. Particle Modeling • Flow of grains in a continuous grain dryer Sponsor:
  18. 18. Particle Selection
  19. 19. Particles Positions 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 2.25 2.30 2.35 2.40 2.45 0.0 0.5 1.0 1.5 2.0 2.5 3.0 PositionZ:Width(m) Time (s) From Column 7 (Middle) Position Z: Width (with Stiffeners) Position Z: Width (without Stiffeners)
  20. 20. Heat Transfer Modeling • Cooling pattern of dried distillers grains with solubles (DDGS) Sponsor:Predicted temperature profile when cooled to 296.15 K DDGS Pile
  21. 21. Grain Dust • Quantifying cohesive force • Grain dust dispersion pattern
  22. 22. o Grain dust explosion incidents data collection and reporting o Grain dust explosion prevention workshops o For workers/supervisors o Basics on combustible dust (4 hr) o Advanced mitigation methods (3 hr) o Trained about 500 workers/supervisors Source: edn.com Outreach Activities Sponsors:
  23. 23. Short Course on Bulk Solids Handling, Storage • Venue: Department of Grain Science and Industry • Date: 27-30 October, 2014 • For registration: http://www.grains.k-state.edu/igp/ • Collaborators (2013): Purdue University; Dow Chemical Co. • Sponsors/collaborators (2013)
  24. 24. Short Course on Bulk Solids Handling, Storage and Flow
  25. 25. Current • Experimental Milling Facilities (wheat, specialty crop) • Powder Rheometer • Moisture sorption analyzer • Lab-scale and pilot-scale hoppers for flow testing • Density measurements • Software • Discrete Element Modeling • ANSYS FLUENT Particle Technology Lab Facilities
  26. 26. Bulk Solids Innovation Center • K-State’s new initiative • Research, education and testing facility @ Salina, KS • In collaboration with K-Tron
  27. 27. Thank You! kingsly@ksu.edu Ph: 785-532-4091 http://www.grains.k-state.edu/particle_technology/Home.html

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