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SURFACE TREATED CARBON CATALYSTS PRODUCED FROM WASTE TIRES FOR FATTY ACIDS TO BIOFUEL CONVERSION

United States Patent Application

20170342014
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A method of making solid acid catalysts includes the step of sulfonating waste tire pieces in a first sulfonation step. The sulfonated waste tire pieces are pyrolyzed to produce carbon composite pieces having a pore size less than 10 nm. The carbon composite pieces are then ground to produce carbon composite powders having a size less than 50 .mu.m. The carbon composite particles are sulfonated in a second sulfonation step to produce sulfonated solid acid catalysts. A method of making biofuels and solid acid catalysts are also disclosed.
Hood, Zachary D. (Atlanta, GA), Adhikari, Shiba P. (Winston Salem, NC), Wright, Marcus W. (King, NC), Lachgar, Abdessadek (Winston Salem, NC), Li, Yunchao (Knoxville, TN), Naskar, Amit K. (Knoxville, TN), Paranthaman, Mariappan Parans (Knoxville, TN)
15/ 163,434
May 24, 2016
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0001] This invention was made with government support under contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in this invention.