水再生对能源集成PVC生产工艺中的化学和工艺指数的影响
Arelmys Bustamante-Miranda1, Eduardo Aguilar-Vásquez1, Miguel Ramos-Olmos2
1Chemical Engineering Department, Nanomaterials and Computer Aided Process Engineering Research Group (NIPAC), Universidad de Cartagena, Cartagena 130015, Colombia.
Polymers
|June 27, 2025
概括
本研究评估了使用零液体排放方法生产聚乙烯 (PVC) 的固有安全性. 虽然提高了可持续性,但该过程仍然存在重大化学和运营风险,需要谨慎管理.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 过程安全 过程安全 过程安全
- 环境可持续性 环境可持续性
背景情况:
- 聚乙烯 (PVC) 生产需要大量的水,因此需要可持续的解决方案.
- 零液体排放 (ZLD) 方法和水再生对于化学制造中的环境遵守和资源节约至关重要.
- 评估固有的安全性对于在已建立的工业过程中实施新的可持续技术至关重要.
研究的目的:
- 评估PVC生产与水再生和ZLD战略相结合的固有安全性.
- 在可持续的PVC制造环境中,识别和量化与危险材料和关键操作相关的安全风险.
- 将固有安全指数 (ISI) 方法应用于采用循环经济原则进行水资源管理的PVC工厂.
主要方法:
- 使用固有安全指数 (ISI) 方法量化工艺危险.
- 使用模拟软件和计算机辅助工艺工程 (CAPE) 进行风险评估.
- 分析了来自存储库和专家出版物的安全数据,重点关注毒性,易燃性和化学相互作用.
主要成果:
- 化学品安全指数得分为22分,易燃性和毒性 (乙烯基化物单体 - VCM和PVC) 构成最高风险.
- 工艺安全指数得分为15分,主要是由于危险物质的清单以及炉和反应堆等关键设备的存在.
- 主要聚合反应和PVA生物降解中的二次反应的高反应热量对整体风险概况作出了重大贡献.
结论:
- 在PVC生产中实施水再生和ZLD带来了固有的安全挑战,特别是在危险材料处理和工艺条件方面.
- 尽管实现了可持续发展,但仍然存在重大化学和运营风险,需要强有力的控制策略.
- 优化安全措施对于平衡环境可持续性与PVC制造业的运营可行性至关重要.
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