Abstract
Abstract Biodiesel, typically produced from non-food crops with heterogeneous catalysts, deems to be a promising and sustainable alternative biofuel to petroleum-derived fuels. In this study, to improve biodiesel production process efficiency by acids, biodiesel production were successfully developed using a series of magnetically acidic poly(ionic liquid) catalysts with varying hydrophobicity and controllable acidity. The detailed characterization results demonstrated that the FnmS-PIL (1a, C8) core-shell structure catalyst had large Bruner Emmett and Teller (BET) surface area (128.1 m2/g), uniform mesoporous structure (4.2 nm), strong magnetism (12.4 emu/g), a high number of acid sites (2.14 mmol/g), strong acid strength (strong electron-withdrawing anion CF3SO3− effect, −8.2
Published Version
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