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首页> 外文期刊>Green chemistry >Life cycle assessment of the production of surface-active alkyl polyglycosides from acid-assisted ball-milled wheat straw compared to the conventional production based on corn-starch
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Life cycle assessment of the production of surface-active alkyl polyglycosides from acid-assisted ball-milled wheat straw compared to the conventional production based on corn-starch

机译:与基于玉米淀粉的常规生产相比,从酸辅助球磨麦秸秆中生产表面活性烷基多糖苷的生命周期评估

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摘要

Production of alkyl polyglycosides (APGs) from mechanocatalytic depolymerization of wheat straw is a promising route because of the use of an available bio-based feedstock. This study aims to verify the environmental benefit of this process in comparison with a reference process that produces APGs from corn starch based glucose. A life cycle assessment methodology is used to compare both production routes. The results have shown that the new production route based on wheat straw generates lower environmental impacts compared to the reference process because of the use of wheat straw instead of corn starch based glucose and the energy recovery from the by-product lignin that meets most of the energy demand of the process. The LCA results also show that the production of fatty alcohol dominates the life cycle impact of APGs. Environmental impacts are sensitive to the source of the fatty alcohol (from palm kernel or coconut oil).
机译:由于使用可用的生物基原料,来自小麦秸秆的机械催化抛光剂的烷基聚甘蓝苷(APG)的产生是一个有前途的路线。 该研究旨在验证该方法的环境效益与从玉米淀粉的葡萄糖产生APG的参考方法进行比较。 生命周期评估方法用于比较两种生产路线。 结果表明,由于使用小麦秸秆而不是基于玉米淀粉基葡萄糖和来自符合大多数的副产品木质素的葡萄糖和能量回收,基于小麦秸秆的新生产途径与参考过程相比,与参考过程相比,与参考过程相比产生了更低的环境影响 加工的能源需求。 LCA结果还表明,脂肪醇的生产主要是APG的生命周期影响。 环境影响对脂肪醇的来源敏感(来自棕榈核或椰子油)。

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