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Jaroslaw Drelich

Education
Professional Affiliations

Jaroslaw (Jarek) Drelich

Specializes in surface chemistry and colloid science applied to minerals processing and materials recycling, and in characterization of materials and their surfaces.

Provides research and consulting services to industries in the above-listed areas.

CONTACT
jwdrelic@mtu.edu
906.487.2932

506 M&M Building
Department of Materials Science and Engineering
Michigan Technological University
1400 Townsend Drive
Houghton, MI 49931-1295
Minerals Processing Minerals Processing Materials Characterization Materials Characterization
Materials Recycling Materials Recycling Surface Chemistry Surface Chemistry

Recent Projects Recent Projects Publications Select Publications
Seminars Seminars and Workshops Offered

Research Area Processing Capabilities Analytical Capabilities

Minerals Processing

Minerals Processing

Laboratory and pilot scale processing and separation (dry and wet) of minerals:

  1. Crushing, grinding, milling
  2. Size classification
  3. Gravity separation
  4. Flotation
  5. Magnetic separation
  6. Electrostatic separation
  1. Mechanical properties of rock/ore including triaxial test
  2. Ore grindability - Bond work Index
  3. Ore sieve analysis
  4. Powder characterization (SEM, BET, zeta potential, wetting, floatability)
  5. Wetting characteristics of minerals
  6. Mineralogical/chemical analysis (XRD, EDS, FT-IR, Optical Microscopy)
  7. Elemental analysis (ICP, EDS, Auger )
  8. Mapping of phases/minerals and their distribution (EDS)

Materials Recycling

Materials Recycling

 Minerals processing techniques are applied to recycling of materials—see above for capabilities.

See above.

Materials Characterization

Materials Characterization

 Mechanical testing
Several electromechanical and servohydraulic testing machines for tension, compression, bending, and fatigue 		Tension, compression, bending and fatigue tests
Optical Microscopy
Variety of metallographic and stereo-microscopes 		Microstructure analysis
Phase identification
Image analysis
Scanning Electron Microscopy
Thermionic and field-emission microscopes 		Fractured surface analysis
Roughness/topography analysis using stereomicroscopy
Elemental microanalysis (EDS, WDS)
Phase analysis and mapping
X-Ray Diffraction
Scintag diffractometers 		Compositional and phase analysis of powder, crystals and coatings/thin films
Infrared Spectroscopy
FT-IR		 Chemical analysis of polymers, organic reagents, and inorganic materials

Surface Chemistry

Surface Chemistry

 Scanning Probe Microscopy
Thermionic and field-emission microscopes 		Surface topography imaging
Surface roughness quantification
Surface mapping using Tapping Mode
Lateral force microscopy
Magnetic force microscopy
Adhesion force measurements
Colloidal force measurements
Scanning Electron Microscopy
Imaging of surfaces and elemental microanalysis 		Fractured surface analysis
Microroughness analysis using stereomicroscopy
Elemental microanalysis (EDS, WDS)
Phase analysis and mapping
Contact Angle Measurements
Wetting characteristic of bulk and powder materials 		Liquid surface tension measurements
Advancing and receding contact angles
Contact angle hysteresis
Solid surface energy determination
Auger Electron Spectroscopy Elemental analysis of the surface
Depth profiling

 

Recent Projects Recent Projects

Minerals Recovery of Copper Mine Tailings for Use as Raw Material in the Manufacture of Roofing Shingles

Bioabsorbable Metal Stent Degradation

Michigan Tech Nanotechnology Enterprise

Flotation of Gold from Actinolite Greenschist Rock

Mechanical Properties of Novel Resin-Fiber Composites

Dry Separation of Nickel and Copper Bearing Minerals

Recovery of Rare Earth Oxides from Phosphate/Silicate-Type Ore

Corrosion and Failure Mechanisms for Spinal Implant Hardware
Publications Select Publications

C.A. Young, J.J. Kellar, M.L. Free, J. Drelich, and R.P. King (Eds), Innovations in Natural Resource Processing, Society for Mining, Metallurgy, and Exploration, Inc. (SME), Littleton, Colorado 2005, pp. 444.

Recycling Office Waste - Wastepaper Deinking Research at the University of Utah, J.D. Miller, M.A.D. Azevedo, X. Nie, and J. Drelich, in Paper Recycling Challenge, Volume II-Deinking and Bleaching, M.R. Doshi and J.M. Dyer (Eds), Doshi & Associates Inc., Appleton, WI 1997, pp. 167-182 (invited).

Contribution of Colloidal Forces of Non-contact Area to the Adhesion between a Microprobe and a Substrate Surface, J. Drelich, J. Long, J. Masliyah, and Z. Xu, Journal of Adhesion Science and Technology 23(1)(2009)125-138.

Laboratory Tests on Mercury Emission Monitoring with Resonating Gold-Coated Silicon Cantilevers, J. Drelich, C.L. White, and Z. Xu, Environmental Science and Technology 42(6)(2008)2072-2078.

Wetting Phenomena in Oil Sand Systems and Their Impact on the Water-Based Bitumen Extraction Process, J. Drelich, Preprints of the 136th SME Annual Meeting, February 25 – 28, 2007, Denver, Colorado, Society for Mining, Metallurgy, and Exploration, Inc., Littleton, Colorado, Paper No. 07-002 (14 pages).

Forces between Polyethylene Surfaces in Oxyethylene Dodecyl Ether Solutions as Influenced by the Number of Oxyethylene Groups, J. Nalaskowski, J. Drelich, and J.D. Miller, Langmuir 24(4)(2008)1476-1483 (invited).

Adhesion Forces Measured between Particles and Substrates with Nano-roughness, J. Drelich, Minerals and Metallurgical Processing, 23(4) (2006) 226-232.

MORE PUBLICATIONS

Seminars Seminars and Workshops Offered
  1. Contact Angles and Wetting Phenomena
  2. Colloidal Forces: Measurements and Control
  3. Adhesion of Fine Particles
  4. Force Measurements Using Atomic Force Microscopy
  5. Characterization of Materials Using Scanning Probe Microscopy
  6. Fundamentals of Flotation

The topics of the seminars are adjusted to the needs of particular company.

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