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Posted 2023-03-09

Energetic, environmental and economic balances: Spice up your ionic liquid research efficiency

Dana Kralisch, Annegret Stark, Swen Körsten, Günter Kreisel and Bernd Ondruschka

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The energy requirement, environmental impact and material costs of the synthesis of ionic liquids, and of their subsequent use as reaction media in the metathesis of 1-octene, are compared to conventional solvents. This preliminary study lays the foundation for an ecological and strategic experimental design. Energetic, environmental and economic assessments over all life-cycle stages allow for the identification of both, disadvantages and opportunities of individual process steps, at an early R&D level. Thus, this approach helps to find new and improved solutions, which comply with the concepts of Green Chemistry, that cannot be determined by experimental work alone. The potential of innovative methods can be quantitatively compared to current technologies by means of the energy efficiency factor EEF. Interestingly, this study demonstrates that under certain circumstances, a solvent-free reaction mode may not necessarily be ecologically advantageous. Also, the presumption that, due to facile recycling, a bi-phasic reaction mode is always superior to a homogeneous one is questioned: compared to the energy required for the manufacture of a solvent which results in a biphasic reaction mode (e.g. an ionic liquid), the energy needed for the separation of a homogeneous reaction mixture by distillation is comparatively small. Thus, efficient recycling of such a solvent must be guaranteed.

能源，环境和经济的平衡：加速您有关离子液体的研究效率

德纳kralisch ， annegret斯塔克， swen körsten ， günter kreisel和贝恩德ondruschka

关键词：
能源的要求，环境的影响以及材料成本考虑，合成离子液体，及其利用作为反应介质，在分解1 -辛烯，是比较传统的溶剂。这一初步研究奠定了基础生态和战略的实验设计。充满活力，环境和经济评估，所有的生命周期阶段，以便确定双方的，缺点和机会，个别的过程中的步骤，在早期的研发水平。因此，这种方法有助于找到新的和改进的解决方案，遵守的概念，绿色化学，这是不能确定的试点工作。的潜力，创新的方法，可以定量比较，目前的技术手段，能源效率的因素eef 。有趣的是，这项研究表明，在某些情况下，一无溶剂的反应模式未必是生态优势。此外，推定，由于容易回收，双向阶段性的反应模式是始终优于均匀，一个是质疑：相比，所需的能量用于制造溶剂，结果在一个双相反应模式（如1离子液体） ，能源需要分离的一均相反应混合物的蒸馏是比较少。因此，有效的回收利用等溶剂，必须得到保证。 参考技术A 有点难 是不是写论文啊？我刚交过论文了 现在这没时间帮你哈 在线翻译以后再根据理解加工吧