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首页> 外文期刊>RSC Advances >Catalytic role of solid acid catalysts in glycerol acetylation for the production of bio-additives: a review
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Catalytic role of solid acid catalysts in glycerol acetylation for the production of bio-additives: a review

机译：固体酸催化剂在甘油乙酰化生产生物添加剂中的催化作用：综述

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Bio-additives obtained from the acetylation of biodiesel-derived glycerol have been extensively synthesized because of their nature as value-added products and their contribution to environmental sustainability. Glycerol acetylation with acetic acid produces commercially important fuel additives. Considering that the recovery of individual monoacetin, diacetin (DA), and triacetin (TA) is complicated, many endeavours have enhanced the selectivity and total conversion of glycerol using acetic acid during catalytic acetylation. In this work, we extensively review the catalytic activity of different heterogeneous acid catalysts and their important roles in glycerol acetylation and product selectivity. In addition, the most influential operating conditions to attain high yields of combined DA and TA are achieved by closely examining the process. This review also highlights the prospective market, research gaps, and future direction of catalytic glycerol acetylation.
机译：由于生物柴油作为增值产品的性质及其对环境可持续性的贡献，因此广泛地合成了由生物柴油衍生的甘油乙酰化获得的生物添加剂。甘油用乙酸乙酰化可生产出商业上重要的燃料添加剂。考虑到单独的单乙酸甘油酯，双乙酸甘油酯（DA）和三乙酸甘油酯（TA）的回收很复杂，因此许多努力提高了催化乙酰化过程中使用乙酸对甘油的选择性和总转化率。在这项工作中，我们广泛审查了不同的多相酸催化剂的催化活性及其在甘油乙酰化和产物选择性中的重要作用。此外，通过仔细检查该过程可以达到影响最大的操作条件，从而获得DA和TA的高收率。这篇综述还重点介绍了催化甘油乙酰化的潜在市场，研究差距和未来方向。

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