Process for selectively recovering a phenolic compound from feedstock comprising bio-crude and/or bio-oil

Mante, N. O. D., Soukri, M., Thompson, S. J., & Dayton, D. C. (2021). Process for selectively recovering a phenolic compound from feedstock comprising bio-crude and/or bio-oil. (U.S. Patent No. 10,954,181). U.S. Patent & Trademark Office, Washington, DC. https://patft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=10954181.PN.&OS=PN/10954181&RS=PN/10954181

Abstract

A process for selectively recovering a phenolic compound from feedstock comprising bio-crude and/or bio-oil is described. The recovery efficiency of the selected phenolic compound is greater than 70 wt % and the purity of the recovered selected phenolic compound is higher than 80 wt %. The process comprises distilling the feedstock to isolate the selected phenolic compound in a first distillate fraction comprising the selected phenolic compound, concentrating the selected phenolic compound from the first distillate fraction in a concentrated mixture, and purifying the concentrated mixture to recover the selected phenolic compound.

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