基于遗传算法的造纸固体废弃物共烧优化：协同增强和煤炭替代潜力

IF 7.1 2区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Waste management Pub Date : 2025-09-15 DOI:10.1016/j.wasman.2025.115114

Ting Chen , Yuanfang Zhao , Jinhan Chen , Guohua Zhu , Jun Yin , Zhongcai Jin , Yiying Jin , Zhixin Yu , Zhigang Zhu , Xiujuan Tang

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引用次数: 0

摘要

在迫切需要低碳燃料解决能源和环境挑战的情况下，本研究探讨了造纸固体废物作为煤炭替代品的未开发潜力。通过建立遗传算法驱动的配合比优化模型，通过对燃烧性能、气体排放和结渣趋势的多准则评估，系统地评估煤炭替代可行性。结果表明，造纸固体废弃物组分表现出明显的差异，造纸污泥表现出优异的燃烧反应性，造纸废渣表现出最优的综合性能。与煤炭相比，优化后的混合物点火速度加快44.98%，燃烧指数提高120%，这是由于协同挥发相互作用降低了活化能。环境显著的二氧化碳减排（43.21%）被大量有机挥发性气体（93.02%）和一氧化氮（337%）排放增加所抵消。渣中的碱性氧化物（CaO/Fe2O3）会增加结渣的风险。这些研究结果证实了造纸固体废物在PSW技术上替代煤炭的可行性，尽管工业实施仍取决于先进的烟气处理和炉渣管理战略，以实现循环经济框架内可持续的废物转化为能源。

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Optimized co-combustion of paper-making solid wastes via, genetic algorithm: synergistic enhancement and coal-substitution potential

Amidst urgent needs for low-carbon fuels addressing energy and environmental challenges, this study investigates the untapped potential of paper-making solid waste as coal substitutes. By establishing a genetic algorithm-driven compatibility model to optimize blending ratios, we systematically evaluate coal replacement feasibility through multi-criteria assessment of combustion performance, gas emissions, and slagging tendencies. Results demonstrate distinct paper-making solid waste component behaviors, paper-making sludge exhibits superior combustion reactivity while paper-making waste residue achieve optimal comprehensive performance. The optimized blend delivers 44.98% faster ignition and 120 % higher combustion index versus coal, enabled by synergistic volatile interactions reducing activation energy. Environmentally significant CO₂ reductions (43.21 %) are offset by substantial organic volatile gases (93.02 %) and NO (337 %) emission increases. Elevated slagging risks emerge from alkaline oxides (CaO/Fe₂O₃) in residues. These findings confirm paper-making solid waste’s PSW technical viability for coal substitution, though industrial implementation remains contingent on advanced flue gas treatment and slag management strategies to enable sustainable waste-to-energy conversion within circular economy frameworks.

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来源期刊

Waste management 环境科学-工程：环境

CiteScore

15.60

自引率

6.20%

发文量

492

审稿时长

39 days

期刊介绍： Waste Management is devoted to the presentation and discussion of information on solid wastes,it covers the entire lifecycle of solid. wastes. Scope: Addresses solid wastes in both industrialized and economically developing countries Covers various types of solid wastes, including: Municipal (e.g., residential, institutional, commercial, light industrial) Agricultural Special (e.g., C and D, healthcare, household hazardous wastes, sewage sludge)