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生命周期评估和产量,以优化提取时间和溶剂:比较深层欧特克溶剂与常规溶剂
Ibtissam Bouhzam1, Rosa Cantero1, María Margallo2
1Department of Industrial and building Engineering, University of Lleida (UdL), Pla de la Massa, 8, 08700 Igualada, Spain.
The Science of the total environment
|October 22, 2024
概括
深度环保溶剂 (DES) 显示了从消耗的咖啡粉中提取多的环境缺点. 水和乙醇20%是更环保的选择,强调需要在绿色提取过程中平衡产量和环境影响.
科学领域:
- 绿色化学 绿色化学
- 可持续的化学过程
- 生物资源利用利用的方法
背景情况:
- 深度欧溶剂 (DES) 在生物活性化合物提取方面得到了探索.
- 它们的环境效益需要进行彻底的生命周期评估 (LCA).
- 消耗的咖啡粉 (SCG) 是生物活性多的丰富来源.
研究的目的:
- 使用LCA从SCG中提取总聚烯 (TPC) 的环境评估.
- 将DES与水和乙醇等常规溶剂进行比较.
- 为了确定最佳的开采条件,平衡产量和环境影响.
主要方法:
- 生命周期评估 (LCA) 应用于从SCG中提取TPC.
- 对水和乙的提取时间的评估 20%.
- 使用文献数据对DES,水和乙醇20%进行比较分析.
主要成果:
- 环境最佳的提取时间 (10分钟) 并没有最大限度地提高TPC产量.
- 乙的使用和电力消耗是环境影响的关键因素.
- 由于制备和吸附步骤,DES在环境方面表现比乙醇20%和水更差,主要是由于制备和吸附步骤.
结论:
- 20%的乙醇表现出比水的提取产量和环境性能优越.
- 即使是优化的DES系统,与乙醇和水相比,也显示出显著的环境劣势.
- 平衡提取产量和环境影响对于过程优化至关重要,特别是在工业应用的实验室规模.
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