the aveka group's particle processing technologies
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AVEKA Group PA R T I C L E P R O C E S S I N G S E R V I C E S
T O L L M A N U FA C T U R I N G
R E S E A R C H & D E V E LO P M E N T
I N N O VAT I V E S O L U T I O N S
W I L L I E H E N D R I C K S O N , C E O & F O U N D E R
AVEKA
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AVEKA
AVEKA Group Overview
• Particle technology company focused on contract manufacturing
• Spin-off of 3M in 1994
• Comprised of 5 separate companies
• ISO certifications / food-grade certifications
• Currently 230 employees
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AVEKA
AVEKA’s Missionbe the leader in particle processing
by providing our customers with custom solutions, quality manufacturing and excellent customer service
AVEKA’s Vision
be the recognized leader in innovative manufacturing solutions
for particle technology
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AVEKA
Specialty Materials Processing
• Liquid slurry receiving
• Filter press concentration
• Fluid bed drying
• Vacuum packaging
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AVEKA
Specialty Materials Processing
Breaking ground to production• 18 weeks
• MCC Room
• Liquid receiving bay
• Processer Room
• Equipment install and qualification• 4,250 kg fluid beds
• Filter press
• Extruder
• Packaging
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AVEKA
Particle Drying Services
• Spray drying
• Fluidized bed drying
• Roll drying / drum drying
• Tray drying
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AVEKA
Fires During Processing
Problem:◦ Provide encapsulated
Omega-3
◦ Omega-3 very sensitive to oxidation
◦ Spray drying Omega-3 can cause dryer fires
Solution:◦ Minimize exposure to air
◦ Larger particle size
◦ Roll drying vs. spray drying
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The AVEKA GroupAVEKA Inc
• 61 people
• Corporate Headquarters
• R&D, Manufacturing, Specialty Process Suites
AVEKA Manufacturing
• 85 people – Fredericksburg, Iowa
• Large scale manufacturing
• Spray Drying, Hammer Milling, Fluid Bed Drying, Tumble Coating
Cresco Food Technologies
• 45 people – Cresco, Iowa
• Food Processing
• Spray Drying, Prilling, Drum Drying, Extraction, Wet Blending
AVEKA Nutra Processing
• 30 people – Waukon Iowa
• Value Added Food Processing
• Spray Drying, Roll Drying, Microfiltration/Nanofiltration, Specialty Separations
AVEKA CCE Technologies
• 9 People – Cottage Grove, Minnesota
• Industrial Materials, Abrasives, Ceramics, Minerals
• Jet Milling and Classification
AVEKA
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AVEKA
Particle CharacterizationParticle size analysis
◦ Particles 1 nm to 2+ mm
◦ Particle size distribution (PSD)
◦ Sonic sieving
◦ Rototap
Imaging◦ Optical microscopy
◦ Scanning electron microscopy (SEM)
Surface area analysis
True density analysis◦ Helium pycnometry
Formulation analysis◦ High performance liquid chromatography (HPLC)
◦ Thermogravimetric analysis (TGA)
◦ Spectrophotometer
◦ Differential scanning calorimetry (DSC)
Flow characteristics◦ Zeta potential analysis (ZP)
◦ Rheological analysis
◦ Moisture and solids analysis (MSA)
◦ Karl Fisher
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AVEKA
Crushing Line
• Komar Industries auger crusher• Tote tipper feeder• Pneumatic conveying to screener
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AVEKA
Crushing and Grinding Optimization
• 2003, D50 = 15-35 µm
• 2006, D50 = 18-24 µm
• 2013, D50 = 16-19 µm
• 2014, D50= 17-19 µm
In 2012, seasonal cyclic behavior of PSD was noted and a customer/AVEKA DMAIC initiated
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AVEKA
DMAIC Results and Questions
• PSD results (D50 =15-35 µm →16-19 µm) realized by adding proprietary grinding aid
• This proprietary addition not sufficient for total PSD control
• Control of ball mill temperature as critical as proprietary addition
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AVEKA
Quality, R&D, Engineering
Fast Implementation, New Processing Questions, Quality Products
Quality ISO / GFSI11 Quality Personnel
R&D7
Laboratories/ Pilot Plants
15 Scientists and
Technicians
EngineeringRapid
Innovative Solutions
10 Engineers
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AVEKA
Dry Grinding
• Pre-crushing• Jaw crushing
• Auger crushing
• Hammer milling
• Cryo milling
• Ball milling
• Jet milling
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AVEKA
AVEKA CCE Technologies
• Fluid bed jet milling
• High-efficiency centrifugal air classifiers
• Equipment sales & service
• Toll processing
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AVEKA
Jet Milling Glass
Challenge: • Produce high yield
• Tight cut from crushed glass
Problems:• Fines stick to coarse particles
• Yields are low (42%)
Solution:• Balance input energy and cut points
• Increase yield (54%)
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AVEKA
Processing Technologies
Spray DryingGrinding
Milling
Classification / Screening
Blending Roll DryingFluidized Bed
Drying
Prilling Particle Coating Microencapsulation / Bead Making
Extraction PurificationMicrofiiltration /
Nanofiltration
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AVEKA
Microencapsulation Methods and Capsule TypesPayload Types: fragrances, oils, dyes, drugs, food additives, inks, . . .
Core-shell Matrix Plating
• Spray drying
• Coacervation
• Tablet coating
• Wurster coating
• Coaxial extrusion
• Prilling
• Organogels
• Precipitation
• Emulsion polymerization
• Incipient wetness
• MAIC
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MAIC: Magnetically Assisted Impact Coating
Smaller particles
Larger particles
Magnets and screens
Magnetic coils
Coated particles
AVEKA
Particle Surface Treatment: • Add flow agents (silica)
• Coat with solids (TiO2, ZnO)
• Distribute liquids (silanes)• US Patent 5,962,082
• Can be used for many applications and industries• Agriculture materials, cosmetics,
pigments, catalysts
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Screens and magnets
Magnetic coils
Feed system
Coated particles
Particles to be modified
Modifying material
MAIC Unit
Magnetically AssistedImpact Coating
AVEKA
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MAIC: Magnetically Assisted Impact Coating
30 µm
30 µm
100 µm 40 µm
before MAIC treatment
after MAIC treatment
After MAIC Treatment
Add surface functionality with solids or liquids
AVEKA
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AVEKA
“The AVEKA Advantage”
Wide range of process capabilities
Innovative solutions
R&D
Engineering
Strong quality system
Excellent customer service
Partnering approach
Commitment to health, safety & environmental
Flexible approaches
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AVEKA
Summary
• Innovative manufacturing solutions
• Unique perspective – diverse markets
• Novel particle technology
Email [email protected]
Call (651) 730-1729
AVEKA GROUPW I L L I E H E N D R I C K S O N , C E O & F O U N D E R
R&D / Lab-Scale Testing
Pilot Testing
Full Scale Manufacturing
Value Added Product
Partnerships