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Yan Ma, Hongxiao Wang, Ziyang Wu, Weihong Tan, Guodong Feng, Jianchun Jiang. A Process Insight into Production of Ethyl Levulinate via A Stepwise Fractionation[J]. Journal of Bioresources and Bioproducts. doi: 10.1016/j.jobab.2023.11.001
Citation: Yan Ma, Hongxiao Wang, Ziyang Wu, Weihong Tan, Guodong Feng, Jianchun Jiang. A Process Insight into Production of Ethyl Levulinate via A Stepwise Fractionation[J]. Journal of Bioresources and Bioproducts. doi: 10.1016/j.jobab.2023.11.001

A Process Insight into Production of Ethyl Levulinate via A Stepwise Fractionation

doi: 10.1016/j.jobab.2023.11.001

The work was supported by National Nature Science Foundation of China (No. 32001274).

  • Received Date: 2023-04-20
  • Accepted Date: 2023-08-28
  • Rev Recd Date: 2023-08-15
  • Available Online: 2024-01-31
  • Ethyl levulinate (EL) is a key biomass-derived compounds due to its socio-economic benefits for the synthesis of commodity chemicals. Herein, we proposed an efficient one-step bamboo conversion to EL in ethanol, and a novel stepwise fractionation to purify EL and lignocellulose degradation products. A proton acid, due to its high catalytic efficiency, yielded 26.65% EL in 120 min at 200 °C. The productions of ethyl glucoside and 5-ethoxymethylfurfural were analyzed in terms of by-products formation. To the best of our knowledge, there is no single report on catalyst for one step synthesis of EL directly from bamboo, as well as a stepwise fractionation to purify EL. Due to similar physiochemical properties in each fraction, the platform molecules could broaden a new paradigm of bamboo biomass utilization for renewable energy and value-added biochemicals. In addition, glucose, ethyl glucoside, corn starch, and microcrystalline cellulose were also investigated as substrates, so that the reaction intermediates of this one-pot procedure were identified and a possible reaction mechanism was proposed.


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