Energy-efficient production of 1-octanol from biomass-derived furfural-acetone in water

Energy-efficient production of 1-octanol from biomass-derived furfural-acetone in water
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利用生物质衍生的糠醛丙酮在水中节能生产 1-辛醇

DOI:
10.1039/c5gc01119a
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发表时间:
2015-08
期刊:
影响因子:
9.8
通讯作者:
Wang, Yanqin
Wang, Yanqin
中科院分区:
化学1区
文献类型:
--
作者:
Xia, Yinjiang;Xi, Jinxu;Liu, Xiaohui;Wang, Yanqin

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以Pd/NbOPO4为催化剂,采用顺序加氢/氢解的方法,在温和条件下开发了一锅法生物质糠醛-丙酮一锅法合成1-辛醇的高效催化体系。为了防止正辛醇过度氢解成正辛烷,采用了一种故意制造“相问题”的策略,从而提高了1-辛醇的选择性。系统地考察了反应条件以及各种负载贵金属的双功能催化剂对正辛醇收率的影响。此外,在催化体系中加入液体酸进一步提高了生成1-辛醇的选择性。酸性添加剂的酸强度与正辛醇和辛烷的总收率之间有很强的相关性。在Pd/NbOPO4催化剂上,添加TfOH后,生物质FFA一锅转化率最高(62.7%)。
An energy-efficient catalytic system for the one-pot production of 1-octanol from biomass-derived furfural-acetone (FFA) under mild conditions in water was developed, by sequential hydrogenation/hydrogenolysis over a hydrophilic Pd/NbOPO4 catalyst. A strategy of creating an intentional “phase problem” has been employed to prevent the over-hydrogenolysis of 1-octanol into n-octane and therefore increased the selectivity to 1-octanol. The effects of reaction conditions as well as a variety of noble-metal loaded bifunctional catalysts have been systematically investigated to maximize the yield of 1-octanol. Moreover, the addition of liquid acids to the catalytic system further enhanced the selectivity towards the formation of 1-octanol. There is a strong correlation between the acid strength of an acidic additive and the sum yield of 1-octanol and octane. With the addition of TfOH, the highest yield of 1-octanol (62.7%) was obtained from one-pot conversion of biomass-derived FFA over Pd/NbOPO4.
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