对超临界燃煤发电系统的环境,技术和经济分析
Hamad Hussain Shah1, Muhammad Amin2, Anaiz Gul Fareed3
1Department of Engineering, University of Sannio, Piazza Roma 21, 82100, Benevento, Italy. hamadsh2@gmail.com.
Environmental science and pollution research international
|September 15, 2024
概括
这项研究分析了巴基斯坦的超临界煤电厂,发现全球变暖潜力是最高的环境影响. 化学循环燃烧为发展中国家的可持续能源提供了更具竞争力和更清洁的替代方案.
科学领域:
- 环境科学与能源政策环境科学与能源政策
- 能源系统的生命周期评估.
- 新兴经济体的可持续能源发展.
背景情况:
- 发展中国家严重依赖化石燃料,特别是煤炭,导致严重的环境破坏.
- 巴基斯坦面临着发电赤字,尽管对环境有外部影响,但对煤炭的依赖性越来越大.
- 超临界煤炭发电厂普遍存在,但其环境足迹很大.
研究的目的:
- 对巴基斯坦一座超临界煤炭发电机组进行环境,技术和经济分析.
- 为了比较超临界煤电厂与化学循环燃烧 (CLC) 的环境性能和经济可行性.
- 为清洁的煤炭发电和发展中国家的能源可持续性提供政策框架的信息.
主要方法:
- 在OpenLCA软件中使用CML-1A基线方法进行环境评估.
- 选择了八个中点影响指标,其中1MWh的发电作为功能单元.
- 超临界和基于CLC的超临界煤电厂之间的比较经济可行性分析.
主要成果:
- 全球变暖潜力成为最高的环境影响类别,而臭氧层消耗是最低的.
- 该工厂的运行阶段占据了大多数影响类别的优势,但不包括光化学氧化和对人类的毒性.
- 超临界工厂的二氧化碳和污染物去除效率高于亚临界工厂.
- 基于化学循环燃烧 (CLC) 的超临界煤电厂在经济上更具竞争力,更环保.
结论:
- 超临界煤炭发电厂对环境产生重大影响,全球变暖潜力是一个关键问题.
- 化学循环燃烧为燃煤发电提供了一个可行和可持续的替代方案.
- 实施科学清洁能源管理系统和支持性政策可以推动发展中国家采用更清洁的煤炭技术.
- 该研究提供了加强新兴经济体能源可持续性的政策影响.
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