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 Expert  107774

Expert in Chemical Extraction, diffusion, mass transfer and separation processes.

Available for your Consulting and Expert Witness Needs

Minnesota (MN)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise:

Listed with other top experts in: 

Expert has skills in the boundary between chemistry and chemical engineering which reflect his adaptation of laboratory chemistry to industrial practice. Expert's primary expertise is in diffusion processes, especially those for chemical separations. His research on membranes, which has produced over 50 papers, now centers on the use of hollow fibers as an alternative to packed towers for gas treating and liquid extraction. He is an authority on extractions and can answer questions regarding solid diffusion, fluid diffusion, interphase diffusion, and liquid-liquid mass transfer operations. Other expertise includes diffusion in porous solids, with applications from the decay of teeth to the action of salt on winter roads.

Expert has written over 200 articles and five books, including Diffusion, Bioseparations, and Chemical Product Design. He is particularly expert on coupled mass transfer and chemical reaction.

Expert's consulting deals mainly with diffusion and separation, especially using membranes, and includes major studies of gas treating, extraction, and reactor scale-up. Because he is an exceptionally effective classroom teacher, Expert also teaches short courses on chemical engineering.


biochemical separation


chemical analysis extraction


chemical extraction


diffusion theory


chemical engineering


mass transfer


liquid phase membrane

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Minneapolis, Minnesota;  Saint Paul, Minnesota;  Rochester, Minnesota;  Burnsville, Minnesota;  Saint Cloud, Minnesota;  Eden Prairie, Minnesota;  Minnetonka, Minnesota;  and Eau Claire, Wisconsin.

Year   Degree   Subject   Institution  
1965   PhD   Chemical Engineering   University of Wisconsin  
1963   MS   Chemical Engineering   University of Wisconsin  
1961   BE     Yale University  

Work History:
Years   Employer   Title   Responsibilities

1980 to


(Undisclosed University)




Teaching and research in chemical engineering

1967 to 1980


Carnegie-Mellon University


Professor of Chemical Engineering


Teaching and research in chemical engineering

Career Accomplishments:

American Institute of Chemical engineers (Fellow) American Chemical Society American Association for the Advancement of Science (Fellow) American Society of Engineering Education North American Membrane Society National Academy of Engineering

Professional Appointments

He is on the editorial board of the Bioengineering Journal, the Journal of Membrane Science, and the Texas Engineering Experiment Station Monograph Series. He is the 1994 President of the American Institute of Chemical Engineers.


He has received the Colburn and Lewis Awards from the American Institute of Chemical Engineering (AIChE) for whom he served as Director, Vice President and President. He has received the Separations Science Award from the American Chemical Society, the Merryfield Design Award from the American Society of Engineering Education and honorary doctorate degrees from the Universities of Lund and Nancy.

Publications and Patents Summary

Expert has published over 150 technical papers in many journals including Science and Nature. He has written three books on diffusion and mass transfer.

Consulting Services:
Recent Client Requests:
  • Expert in refining caffeine for consulting on extraction and refining process.
  • Expert for consulting on Salt Production Chemical Engineer.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Language Skills:
Foreign Language   Description
French   Expert reads French.


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