在CO2管道网络上建模生态约束
Jhih-Shyang Shih1, Bailian Chen2, Alexandra L Thompson1
1Resources for the Future, Washington, District of Columbia 20036, United States.
Environmental science & technology
|October 19, 2023
概括
碳捕获基础设施的战略规划可以最大限度地减少环境和社会影响. 将环境目标纳入模型表明,稍长一些的管道显著减少了生态损害,有助于脱碳努力.
科学领域:
- 环境科学 环境科学
- 气候变化缓解缓解 气候变化缓解
- 基础设施规划 基础设施规划
背景情况:
- 碳捕获,利用和储存 (CCUS) 对脱碳至关重要.
- 如果没有战略规划,CCUS的管道基础设施可能会造成重大环境和社会破坏.
- 现有的模型主要侧重于成本最小化,忽视环境和社会因素.
研究的目的:
- 调查环境和社会考虑对最佳二氧化碳管道路线和沉积槽位置的影响.
- 扩展现有的CCUS基础设施模型,以整合多目标优化,包括环境保护.
- 评估CCUS基础设施开发中私人成本和环境/社会影响之间的权衡.
主要方法:
- 修改并利用开源CCUS基础设施模型SimCCS.
- 扩展SimCCS从成本最小化到一个多目标框架.
- 模拟了七种不同权重的场景,用于美国东南部的环境影响.
主要成果:
- 最佳的二氧化碳管道路由对环境和社会影响的考虑非常敏感.
- 管道长度和相关成本的小幅增加可以大大避免环境和社会损害.
- 多目标优化框架揭示了经济成本与生态/社会效益之间的重大权衡.
结论:
- 将环境和社会目标纳入CCUS基础设施规划是可持续脱碳的关键.
- 开发的多目标工具可以为管道许可和定位流程提供信息和改进.
- 战略路由可以实现气候目标,同时尽量减少负面的环境和社会后果.
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