Wisconsin Discovery Portal

Researcher: Thatcher Root

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Areas of Expertise
  • Applied mathematics
  • Bioscience and engineering
  • Colloids/particle technology
  • Kinetics and catalysis
  • Materials
  • Nanoscale science and engineering
  • Surface chemistry
  • Catalysis
  • Diffusion in porous media
  • Comparison of model catalyst systems to commercial reaction systems
  • Microscopic reactions on surfaces 
  • Interactions at interfaces
  • Solid-state nuclear magnetic resonance (NMR) spectroscopy
  • Adsorbates on surfaces
  • Structural information and kinetic parameters
  • Activity, stability, and mechanism of cu-zeolite catalysts
  • Automobile NOx emission control
  • Catalyst poisons and promoters
  • Acid site strength and character
  • Nmr as an in situ reaction probe for concentrations and intermediates
Web Site Thatcher Root's Department of Chemical and Biological Engineering Website
Curriculum Vitae (CV)
Issued Patent(s)
  • 9,116,092 - Device and method for measuring the rheological properties of a yield stress fluid, issued August 2015.
  • 9,010,318 - Extended-range heat transfer fluid using variable composition, issued April 2015.
  • 8,389,761 - Method to produce and recover levulinic acid and/or gamma-valerolactone from aqueous solutions using alkylphenols, issued March 2013.
  • 8,389,749 - Method to produce, recover and convert furan derivatives from aqueous solutions using alkylphenol extraction, issued March 2013.
USPTO Published Applications
  • 20150314272 - Conversion of alcohols to alkyl esters and carboxylic acids using heterogeneous palladium-based catalysts, published November 2015.
  • 20130086979 - Device and method for measuring the rheological properties of a yield stress fluid, published April 2013.
  • 20120302765 - Method to produce, recover and convert furan derivatives from aqueous solutions using alkylphenol extraction, published November 2012.
  • 20120302764 - Method to produce and recover levulinic acid and/or gamma-valerolactone from aqueous solutions using alkylphenols, published November 2012.
  • 20120029165 - Methods and compositions involving whey protein isolates, published February 2012.
Recent Publication(s)
  • Effects of process variables on the yield stress of rheologically modified biomass. Samaniuk JR, Scott CT, Root TW, Klingenberg DJ. Rheologica Acta. 2015 Dec 1;54(11):941-949. doi: 10.1007/s00397-015-0884-5.

  • Process development of cui/abno/nmi-catalyzed aerobic alcohol oxidation. Steves JE, Preger Y, Marinelli JR, Welch CJ, TW Root, et al. Organic Process Research and Development. 2015 Nov 20;19(11):1548-1553. doi: 10.1021/acs.oprd.5b00179.

  • Experimental limiting oxygen concentrations for nine organic solvents at temperatures and pressures relevant to aerobic oxidations in the pharmaceutical industry. Osterberg PM, Niemeier JK, Welch CJ, Hawkins JM, JR Martinelli, et al. Organic Process Research and Development. 2015 Nov 20;19(11):1537-1543. doi: 10.1021/op500328f.

  • PTFE-membrane flow reactor for aerobic oxidation reactions and its application to alcohol oxidation. Greene JF, Preger Y, Stahl SS, Root TW. Organic Process Research and Development. 2015 Jul 17;19(7):858-864. doi: 10.1021/acs.oprd.5b00125.
Recent Artistic Works
Collaboration
  • Intra-University Collaboration: Biotechnology Center, Materials Science Program
  • Environmental Chemistry and Technology Program, University of Wisconsin-Madison, Troy M. Twesme
Research Tools
Research Facilities
E-mail Address [email protected]
Phone Number 608-262-8999
Current University UW–Madison
Department Chemical and Biological Engineering
Title Professor
Other Appointments
Address Line 1 3008 Engineering Hall
Address Line 2 1415 Engineering Drive
City Madison
State WI
Zip Code 53706
Bachelor's Degree B.S., Massachusetts Institute of Technology, Chemistry, Chemical Engineering
Master's Degree
PhD Ph.D., University of Minnesota
Other Degrees
Technologies Available for Licensing Improved Heat Transfer Fluid Helps Sun Drive Steam Power Plants

Cheaper Process Converts Biomass into Furan Derivatives like Furfural & HMF

Production of Levulinic Acid and Gamma-Valerolactone from Biomass-Derived Cellulose

New Rheometer and Method for Efficiently Measuring Yield Stress in Biomass