水再生和整合对PVC制造技术指标的影响 使用工艺系统工程的PVC制造技术指标
Eduardo Andrés Aguilar-Vásquez1, Segundo Rojas-Flores2, Ángel Darío González-Delgado1
1Nanomaterials and Computer Aided Process Engineering Research Group (NIPAC), Universidad de Cartagena, Chemical Engineering Department, Cartagena de Indias 130015, Colombia.
Polymers
|September 13, 2025
概括
本研究介绍了聚乙烯 (PVC) 生产的再生方法,通过先进的水资源管理策略,显著减少了61%的淡水和83%的废水使用.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 环境工程 环境工程
- 工艺系统工程 工艺系统工程
背景情况:
- 聚乙烯 (PVC) 悬浮聚合生成大量的淡水需求和废水.
- 现有的PVC生产大规模整合战略主要侧重于直接回收.
- 改善水资源管理对于可持续的PVC制造至关重要.
研究的目的:
- 实施和评估一种再生方法,用于整合PVC悬浮工艺,以提高水资源管理.
- 评估综合PVC工艺的水能产品 (WEP) 性能.
- 分析再生对淡水消耗,废水产生和整体工艺效率的影响.
主要方法:
- 使用AspenPlus软件 (v.14) 模拟PVC悬浮过程.
- 应用质量整合,重点关注废水再利用的再生方法.
- 使用水-能源-产品 (WEP) 技术分析对综合系统的评估.
主要成果:
- 实现了淡水消耗量减少61%和废水产生量减少83%.
- 尽管减少了废水,但每天剩余废水仍然为258.6.
- 显著改善了水用量指标,每年淡水成本减少了426,858.8美元.
- 能源性能显示高消耗,热集成节能有限 (11MJ/h).
结论:
- 再生方法在PVC生产中为节水提供了巨大的好处,与循环经济原则保持一致.
- 新兴的废水再生技术为塑料厂提供了显著的优势和权衡.
- 虽然水资源管理得到了改进,但在综合过程中需要进一步优化能源效率.
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