4.8 Article

Improved one-pot synthesis of furfural from corn stalk with heterogeneous catalysis using corn stalk as biobased carrier in deep eutectic solvent-water system

期刊

BIORESOURCE TECHNOLOGY
卷 340, 期 -, 页码 -

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2021.125691

关键词

Furfural; Corn stalks; MgCl2; SO42-/SnO2-CS; Deep eutectic solvent

资金

  1. NFSC (National Natural Science Foundation of China) [21978072]
  2. State Key Laboratory of Biocatalysis and Enzyme Engineering (Hubei University)
  3. Postgraduate Research & Practical Innovation Program of Jiangsu Province [SJCX21-1246]

向作者/读者索取更多资源

Utilizing SO42-/SnO2-CS as catalyst, successful catalyzation of CS into furfural in a deep eutectic solvent-water system has been achieved, showing promising potential to enhance furfural synthesis yield in the future.
Using acid-treated corn stalk (CS) as biobased carrier, heterogeous SO42-/SnO2-CS catalyst was firstly prepared to catalyze CS into fufural in deep eutectic solvent-water system. The physical properties of SO42-/SnO2-CS were captured by FT-IR, NH3-TPD, XRD, XPS, and BET. SO42-/SnO2-CS (1.2 wt%) could be used to catalyze CS (75.0 g/ L) with MgCl2 (15.0 g/L) to produce furfural (102.3 mM) in the yield of 68.2% for 0.5 h at 170 degrees C in ChCl: EG-water (20:80, v:v). Moreover, enhanced synthesis of furfural was explored based on the structure changes of CS, furfural yields and formation of byproducts. Finally, the potential catalytic mechanism for catalyzing CS into furfural and byproducts was proposed using SO42-/SnO2-CS as catalyst in ChCl:EG-water containing MgCl2. In summary, this established ChCl:EG-water system and optimized catalytic condition facillitated to synthesize furfural from biomass with biobased solid acid catalyst.

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