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纤维素蛋白的可持续价值化:对基于深度欧特克溶剂的过程和经济可行性的未来生命周期评估
Yun Wang1, Han Gao1, Jinliu Xiao1
1Key Laboratory of Clean Pulp & Papermaking and Pollution Control of Guangxi, College of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, China.
Environmental science & technology
|November 5, 2025
概括
一个规模化的生物质预处理深度溶解剂 (DES) 系统显示出显著的环境效益. 通过溶剂回收,这种绿色技术可以减少67%以上的影响,证明经济可行,并优于传统方法.
科学领域:
- 生物质转化和生物能源
- 绿色化学和可持续的过程
- 生命周期评估 生命周期评估
背景情况:
- 对于低碳生物基产品来说,纤维素生物质转化是至关重要的.
- 深度环氧溶剂 (DES) 为生物质预处理提供可调节的绿色介质.
- 环境性能和DES系统的可扩展性需要进一步研究.
研究的目的:
- 进行扩大规模的多组件DES系统的潜在生命周期评估 (pLCA).
- 评估工业规模的DES预处理对环境的影响和经济可行性.
- 将规模化的DES系统与实验室规模和传统预处理方法进行比较.
主要方法:
- 未来生命周期评估 (pLCA) 应用于多组件DES系统.
- 使用缩放模型和学习曲线对实验室数据进行推断.
- 场景分析以模拟工业条件并比较环境影响.
主要成果:
- 具有溶剂回收的缩放式DES系统在所有中点类别中至少减少了67%的环境影响.
- 该DES系统显示经济可行性,风险指数低于0.65,优于二进制DES系统.
- 溶剂回收是一个关键因素,90%的回收将影响减少约70%,而50%的回收.
结论:
- 规模化的多组件DES预处理为可持续的生物基产品制造提供了卓越的环境和经济潜力.
- 这项研究提供了规模化DES预处理的第一个PLCA,支持其工业可行性.
- 优化溶剂回收对于最大限度地提高基于DES的生物质预处理对环境的好处至关重要.
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