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- W1969372017 abstract "In the valorization of glycerol as byproduct of biodiesel production, although recent progress in glycerol conversion to lactic acid using homogeneous chemocatalysis showed promising high yield, the used high alkalinity entails high corrosiveness to reactors and problematic downstream separations. In this study, five solid base catalysts were screened for converting glycerol to lactic acid with the aim to ease corrosiveness, focusing on inexpensive CaO as a promising solid base. Process conditions were systematically investigated for optimization. The highest yield of lactic acid achieved was 40.8 mol% with a glycerol conversion of 97.8 mol% at the optimum conditions using refined glycerol. Similar conversion rate and lactic acid yield were also obtained in the conversion of crude glycerol using CaO if the water content in crude glycerol is lower than 10%. CaO exhibited lower activation energy in converting glycerol to lactic acid compared to homogeneous NaOH catalyst. Corrosiveness to reactor using CaO was proven much lower than that using homogeneous NaOH catalyst. CaO as catalyst for both biodiesel production and subsequent crude glycerol conversion to lactic acid was investigated, revealing its potential industrial applications for the production of both biodiesel and lactic acid." @default.
- W1969372017 created "2016-06-24" @default.
- W1969372017 creator A5000589667 @default.
- W1969372017 creator A5028939876 @default.
- W1969372017 creator A5034654471 @default.
- W1969372017 date "2014-04-01" @default.
- W1969372017 modified "2023-09-28" @default.
- W1969372017 title "Lactic acid production from glycerol using CaO as solid base catalyst" @default.
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- W1969372017 doi "https://doi.org/10.1016/j.fuproc.2013.11.019" @default.
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