通过使用基于LSTM的深度学习模型,预测大规模废水处理厂的氧化排放量
Siddharth Seshan1, Johann Poinapen2, Marcel H Zandvoort3
1KWR Water Research Institute, Nieuwegein, the Netherlands; Section Sanitary Engineering, Department of Water Management, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, the Netherlands.
Water research
|November 10, 2024
概括
本研究使用深度学习模型预测废水处理厂 (WWTP) 的氧化 (N2O) 排放. 这些模型准确地预测了短期N2O排放量,有助于排放控制策略.
科学领域:
- 环境工程 环境工程
- 数据科学数据科学数据科学
- 废水处理技术 废水处理技术
背景情况:
- 废水处理厂 (WWTP) 的氧化 (N2O) 排放显示出显著的季节性变化.
- 传统的生物动力学模型难以预测N2O排放,这是由于复杂的生物化学过程造成的.
研究的目的:
- 开发基于数据的模型,用于预测WWTP产生的N2O排放.
- 探索将这些模型整合到减少排放的预测控制框架中.
主要方法:
- 使用基于长期短期记忆 (LSTM) 的编码器-解码器模型.
- 在15个月的数据上训练并测试模型,来自全面的WWTP,包括季节性排放峰值.
- 在各种预测地平线 (0.5至6.0小时) 中评估模型性能.
主要成果:
- 性能最好的LSTM模型 (256-256架构) 实现了高精度 (R2高达0.98).
- 关键的输入特征包括过去的N2O排放,影响流速,NH4+,NOx和DO.
- 随着预测时间的延长,模型性能下降,强调了过程变量的重要性.
结论:
- LSTM模型显示,在WWTP中准确的短期N2O排放预测具有很大的潜力.
- 这些模型可以支持减少N2O排放的操作控制.
- 结合深度学习和机械洞察力的混合方法可以改善长期预测.
更多相关视频
09:03Assessment of Methane and Nitrous Oxide Fluxes from Paddy Field by Means of Static Closed Chambers Maintaining Plants Within Headspace
Published on: September 6, 2018
12.2K
06:52Lab-Scale Model to Evaluate Odor and Gas Concentrations Emitted by Deep Bedded Pack Manure
Published on: July 19, 2018
6.3K
相关概念视频
01:29Bioreactor Design and Operational System
200
Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
200
01:28Bioreactor Controls-I
94
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly...
94