Document Detail

Catalytic Upgrading of Fermentation-Derived Organic Acids.
MedLine Citation:
PMID:  10514254     Owner:  NLM     Status:  Publisher    
The production of organic acids in low-cost, high-efficiency fermentation processes makes available a new route to chemical production from biomass. Because of their multiple functional groups and high reactivity, organic acids can undergo a variety of reactions that are effectively catalyzed by inorganic heterogeneous or homogeneous catalysts. Lactic acid and succinic acid, in particular, are approaching large-scale production via fermentation and show excellent promise as feedstocks for catalytic conversion routes such as hydrogenation, dehydration, or condensation. A number of catalytic conversion pathways of organic acids are potentially competitive with petroleum-based routes in the current economic environment, particularly when integrated into existing biomass/crop processing schemes. This article reviews some of the key reaction pathways available using fermentation-derived organic acids as feedstocks and presents recent results from the authors' lab on succinate hydrogenation to 1,4-butanediol and tetrahydrofuran. By a judicious choice of support properties and reaction conditions, it is possible to achieve yields of either of these two products in excess of 80%.
Varadarajan; Miller
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Publication Detail:
Journal Detail:
Title:  Biotechnology progress     Volume:  15     ISSN:  1520-6033     ISO Abbreviation:  Biotechnol. Prog.     Publication Date:  1999 Oct 
Date Detail:
Created Date:  1999-10-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8506292     Medline TA:  Biotechnol Prog     Country:  -    
Other Details:
Languages:  ENG     Pagination:  845-854     Citation Subset:  -    
Department of Chemical Engineering, Michigan State University, 2527 Engineering Building, East Lansing, Michigan 48824.
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