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在典型的精细化工行业中量化能源-物质-污染联系:以可持续发展为导向的支持,共同减少排放

Kexuan Yang¹, Deji Jing¹, Weixin Kong¹

¹Key Laboratory of Biomass Chemical Engineering of the Ministry of Education, Institute of Industrial Ecology and Environment, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.

The Science of the total environment

|September 6, 2023

概括

能源-物质-污染 (E-M-P) 联系框架量化了精细化学品生产的影响. 与过程1相比,过程2显示出更大的优化潜力和环境效益.

科学领域:

化学工程是化学工程的重要组成部分.
工业生态学工业生态学
可持续化学可持续化学

背景情况:

精细化学工业面临着节能,材料节约和减少污染的压力.
现有的框架缺乏对材料和能源输入-输出交织的全面理解.
需要一个通用的框架来定量评估化学过程中的多层联结.

研究的目的:

提出和验证一种基于能源-物质-污染 (E-M-P) 合关系的方法.
在精细化工生产中量化评估多级联结.
为了比较两个草甘生产过程的优化潜力和环保性.

主要方法:

开发一个通用框架,使用32个合单元用于EMP连接.
在两种代表性草甘生产过程中应用EM-P连接方法.
对合关系,材料系统,生态指数和碳足迹 (CF) 的定量评估.

主要成果:

溶剂元素和材料系统被确定为优化优先领域.
与过程1 (2.32对,56.92%) 相比,过程2显示出更大的优化潜力 (2.55合对) 和更高的材料系统相关性 (69.26%).
工艺2表现出优越的环境性能,生态指数较低 (9.7GPt与15.8GPt相比),碳足迹较小 (1.16E+08与2.32E+08).

结论:

E-M-P合连接提供了一个有价值的工具,用于评估和指导精细化学工业的可持续发展.
甲醇具有最显著的优化潜力,特别是通过诸如溶剂替代等措施.
该研究为精确的系统管理和协作污染和碳减排提供了理论和实际指导.

关键词:

我们的碳足迹优化优先级优先级的优化精确的系统管理管理.溶剂是一种溶剂.有协同效应的效应.

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