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Issue 21, 2019
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An effective hybrid strategy for converting rice straw to furoic acid by tandem catalysis via Sn-sepiolite combined with recombinant E. coli whole cells harboring horse liver alcohol dehydrogenase

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Abstract

The upgrading of biomass-derived furfural into high-value bio-based chemicals has attracted interest. In this case, the conversion of rice straw into furfural was firstly performed using tin-loaded sepiolite (Sn-sepiolite) as a catalyst. Acidified solid acid Sn-sepiolite (3.0 wt%) converted alkali-pretreated dewaxed rice straw into furfural at 42.2% yield at 170 °C for 20 min. Moreover, biomass-derived furfural could be completely converted into furoic acid with recombinant immobilized E. coli TS whole-cells within 96 h at pH 7.0 and 30 °C, respectively. Finally, efficient recycling and reuse of the Sn-sepiolite catalyst and immobilized TS whole-cell biocatalyst were developed for the synthesis of furoic acid from rice straw in the one-pot reaction system. In summary, an effective one-pot chemo-enzymatic synthesis of furoic acid from renewable biomass was successfully developed using ambient conditions.

Graphical abstract: An effective hybrid strategy for converting rice straw to furoic acid by tandem catalysis via Sn-sepiolite combined with recombinant E. coli whole cells harboring horse liver alcohol dehydrogenase

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Article information


Submitted
20 Jul 2019
Accepted
25 Sep 2019
First published
25 Sep 2019

Green Chem., 2019,21, 5914-5923
Article type
Paper
Author version available

An effective hybrid strategy for converting rice straw to furoic acid by tandem catalysis via Sn-sepiolite combined with recombinant E. coli whole cells harboring horse liver alcohol dehydrogenase

B. Peng, C. Ma, P. Zhang, C. Wu, Z. Wang, A. Li, Y. He and B. Yang, Green Chem., 2019, 21, 5914
DOI: 10.1039/C9GC02499A

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