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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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Publication details

The article was received on 20 Jul 2019, accepted on 25 Sep 2019 and first published on 25 Sep 2019


Article type: Paper
DOI: 10.1039/C9GC02499A
Green Chem., 2019, Advance Article

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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

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

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