New catalytic strategies for α,ω-diols production from lignocellulosic biomass

Author:

He Jiayue1234ORCID,Huang Kefeng1234ORCID,Barnett Kevin J.1234,Krishna Siddarth H.1234,Alonso David M.1234,Brentzel Zachary J.1234,Burt Samuel P.12345,Walker Theodore1234,Banholzer Williams F.1234,Maravelias Christos T.1234ORCID,Hermans Ive12345ORCID,Dumesic James A.1234,Huber George W.1234ORCID

Affiliation:

1. Department of Chemical and Biological Engineering

2. University of Wisconsin-Madison

3. Madison

4. USA

5. Department of Chemistry

Abstract

Catalytic strategies for the synthesis of 1,5-pentanediol (PDO) with 69% yield from hemicellulose and the synthesis of 1,6-hexanediol (HDO) with 28% yield from cellulose are presented. Fractionation of lignocellulosic biomass (white birch wood chips) in gamma-valerolactone (GVL)/H2O generates a pure cellulose solid and a liquid stream containing hemicellulose and lignin, which is further dehydrated to furfural with 85% yield. Furfural is converted to PDO with sequential dehydration, hydration, ring-opening tautomerization, and hydrogenation reactions. Acid-catalyzed cellulose dehydration in tetrahydrofuran (THF)/H2O produces a mixture of levoglucosenone (LGO) and 5-hydroxymethylfurfural (HMF), which are converted with hydrogen to tetrahydrofuran-dimethanol (THFDM). HDO is then obtained from hydrogenolysis of THFDM. Techno-economic analysis demonstrates that this approach can produce HDO and PDO at a minimum selling price of $4090 per ton.

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry

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