An ISAO-DBCNN-BiLSTM Model for Sustainable Furnace Temperature Optimization in Municipal Solid Waste Incineration

Jinxiang Pian, Xiaoyi Liu () and Jian Tang
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Jinxiang Pian: School of Electrical and Control Engineering, Shenyang Jianzhu University, Shenyang 110168, China
Xiaoyi Liu: School of Electrical and Control Engineering, Shenyang Jianzhu University, Shenyang 110168, China
Jian Tang: School of Information Science and Technology, Beijing University of Technology, Beijing 100124, China

Sustainability, 2025, vol. 17, issue 18, 1-31

Abstract: With increasing urbanization and population growth, the volume of municipal solid waste (MSW) continues to rise. Efficient and environmentally responsible waste processing has become a core issue in sustainable development. Incineration plays a key role in reducing landfill usage and recovering energy from waste, contributing to circular economy initiatives. However, fluctuations in furnace temperature significantly affect combustion efficiency and emissions, undermining the environmental benefits of incineration. To address these challenges under dynamic operational conditions, this paper proposes a hybrid model combining an Improved Snow Ablation Optimizer (ISAO), Dual-Branch Convolutional Neural Network (DBCNN), and Bidirectional Long Short-Term Memory (BiLSTM). The model extracts dynamic features from control and condition variables and incorporates time series characteristics for accurate temperature prediction, thereby enhancing the overall efficiency of the incineration process. ISAO integrates Lévy flight, differential mutation, and elitism strategies to optimize parameters, contributing to better energy recovery and reduced emissions. Experimental results on real MSWI data demonstrate that the proposed method achieves high prediction accuracy and adaptability under varying operating conditions, showcasing its robustness and application potential in promoting sustainable waste management practices. By improving combustion efficiency and minimizing environmental impact, this model aligns with global sustainability goals, supporting a more efficient, eco-friendly waste-to-energy process.

Keywords: municipal solid waste incineration (MSWI); furnace temperature model; improved snow ablation optimizer (ISAO); dual-branch convolutional neural network (DBCNN); bidirectional long short-term memory (BiLSTM) (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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