通过燃烧低污染煤炭来改善人们的健康,以改善热发电的空气质量
Tin-Chih Toly Chen1, Teng Chieh Chang1, Yu-Cheng Wang2
1Department of Industrial Engineering and Management, National Yang Ming Chiao Tung University, Hsinchu City.
Digital health
|July 17, 2023
概括
这项研究引入了一种新的模糊大数据方法,通过分析煤炭成分来预测煤炭燃烧产生的氧化 (NOx) 排放. 这种预处理方法显著提高了预测准确度,有助于污染控制.
科学领域:
- 环境科学 环境科学
- 数据科学数据科学数据科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 热电厂的燃煤是氧化 (NOx) 排放的主要来源,对健康构成重大风险.
- 目前的NOx减排策略侧重于燃烧后处理,但事先优化煤炭成分提供了一个有希望的替代方案.
- 煤炭的燃烧前优化以减少NOx排放是一个研究不足的领域.
研究的目的:
- 提出和验证一种模糊的大数据分析方法,以根据煤炭成分预测NOx排放.
- 建立一个预处理方法来减少煤炭燃烧前的NOx排放.
- 与现有方法相比,提高NOx排放预测的准确性.
主要方法:
- 一种混合方法,结合了递归特征消除,模糊c-means,XGBoost,支持向量回归,随机森林,决策树和深度神经网络.
- 使用煤炭成分和规格数据作为预测建模的输入.
- 在台湾热电厂的真实数据上应用和验证该方法.
主要成果:
- 拟议的模糊大数据方法实现了NOx排放的预测准确度显著提高.
- 该方法表现出优异的预测性能,根平均平方误差为14.55ppm,平均绝对百分比误差为8.9%.
- 结果表明基于煤炭成分分析的预处理的有效性.
结论:
- 开发的模糊大数据分析方法提供了一种有效的预处理策略,用于减少燃煤发电厂的NOx排放.
- 根据煤炭特性准确预测氧化物排放,从而实现最佳的燃烧条件和污染控制.
- 这项研究填补了关键的研究缺口,重点关注用于减少NOx排放的燃烧前优化.
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