非纺织钮扣组分催化热解作为生物能源生产的共同原料

IF 5.8 2区生物学 Q1 AGRICULTURAL ENGINEERING

Biomass & Bioenergy Pub Date : 2025-09-25 DOI:10.1016/j.biombioe.2025.108406

Samy Yousef , Justas Eimontas , Nerijus Striūgas , Mohammed Ali Abdelnaby

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引用次数: 0

摘要

近年来，生物质与各类塑料废弃物共热解（PW）在提高生物质H/Ceff比方面显示出巨大的潜力，使其成为一种可持续的、有竞争力的生物能源来源，特别是在催化剂的存在下。然而，这种策略受到高污染和PW分类困难的限制，需要开发另一种清洁和均匀的PW来源。在此背景下，本研究提出了聚酯和尼龙纽扣（非纺织成分的主要部分）作为一种新型的清洁和可分类的PW。本阶段的实验主要是通过热重分析（TGA）结合傅里叶变换红外（TG-FTIR）和气相色谱-质谱（GC/MS）对塑料纽扣的催化热解进行研究，为今后与生物质共热解提供所需的基础数据。采用动力学模型对ZSM-5沸石催化剂的反应能量（Ea）和其他催化热解特性进行了评价，并确定了它们的热力学参数。在此基础上，提出了一种人工神经网络（ANN）算法来预测按钮在模糊加热参数下的热重热特性。TGA结果表明，聚酯样品在360°C和460°C下可分两段分解，而尼龙样品在490°C下可单段分解。TGA-FTIR分析表明，羰基（聚酯）和脂肪烃（尼龙）是聚酯和尼龙蒸气的主要官能团。同时，尼龙样品的主要化合物苯甲酸（20 min/℃时占72.94%）和聚酯样品的主要化合物1,2-苯二甲酸（增塑剂）及其有毒的苯乙烯化合物被完全去除。最后，钮扣分解的Ea值分别为241.6 ~ 262.7 kJ/mol（涤纶）和165.6 ~ 173.4 kJ/mol（尼龙）。所建立的人工神经网络模型在预测催化热解特性方面具有较高的潜力，R > 0.98。基于这些发现，塑料纽扣可以作为生物质的共喂富氢源，以提高其H/Ceff比和芳香族化合物。

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Catalytic pyrolysis of non-textile button components as a co-feedstock for bioenergy production

Recently, the co-pyrolysis of biomass and various types of plastic waste (PW) has shown great potential in improving H/Ceff ratio of biomass, making it a sustainable and competitive source of bioenergy, especially in the presence of catalysts. However, this strategy is limited by high contamination and the difficulty of sorting PW, requiring the development of another clean and uniform source of PW. In this context, this research presents polyester and nylon buttons (major part of non-textile components) as a new type of clean and sortable PW for this purpose. The experiments at this stage was focused on studying the catalytic pyrolysis of plastic buttons only by thermogravimetric analysis (TGA) coupled with Fourier transform infrared (TG-FTIR) and gas chromatography-mass spectrometry (GC/MS) to provide the basic data needed for future co-pyrolysis with biomass. The energy consumed during the reaction (Ea) and other catalytic pyrolysis characteristics over ZSM-5 zeolite catalyst were evaluated using kinetic models along with determination of their thermodynamic parameters. Also, an artificial neural network (ANN) algorithm was proposed to expect TGA properties of buttons at ambiguous heating parameters. The TGA results revealed that polyester sample can be decomposed in two stages up to 360 °C and 460 °C, while nylon sample decomposed in a single stage up to 490 °C. The TGA-FTIR analysis highlighted that carbonyl groups (polyester) and aliphatic hydrocarbons (nylon) are the main functional groups of polyester and nylon vapors. Meanwhile, benzoic acid (72.94 % at 20 min/°C) the main compound of nylon sample and 1,2-Benzenedicarboxylic acid (plasticizers) the main compound of polyester and its toxic styrene compound was completely removed. Finally, the Ea used in decomposition of buttons was estimated at 241.6–262.7 kJ/mol (polyester) and 165.6–173.4 kJ/mol (nylon). The suggested ANN model showed high potential in predicting the catalytic pyrolysis characteristics with R > 0.98. Based on these findings, plastic buttons can be used as a co-feeding hydrogen-rich source to biomass to enhance its H/Ceff ratio and aromatic compounds.

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来源期刊

Biomass & Bioenergy 工程技术-能源与燃料

CiteScore

11.50

自引率

3.30%

发文量

258

审稿时长

60 days

期刊介绍： Biomass & Bioenergy is an international journal publishing original research papers and short communications, review articles and case studies on biological resources, chemical and biological processes, and biomass products for new renewable sources of energy and materials. The scope of the journal extends to the environmental, management and economic aspects of biomass and bioenergy. Key areas covered by the journal: • Biomass: sources, energy crop production processes, genetic improvements, composition. Please note that research on these biomass subjects must be linked directly to bioenergy generation. • Biological Residues: residues/rests from agricultural production, forestry and plantations (palm, sugar etc), processing industries, and municipal sources (MSW). Papers on the use of biomass residues through innovative processes/technological novelty and/or consideration of feedstock/system sustainability (or unsustainability) are welcomed. However waste treatment processes and pollution control or mitigation which are only tangentially related to bioenergy are not in the scope of the journal, as they are more suited to publications in the environmental arena. Papers that describe conventional waste streams (ie well described in existing literature) that do not empirically address ''new'' added value from the process are not suitable for submission to the journal. • Bioenergy Processes: fermentations, thermochemical conversions, liquid and gaseous fuels, and petrochemical substitutes • Bioenergy Utilization: direct combustion, gasification, electricity production, chemical processes, and by-product remediation • Biomass and the Environment: carbon cycle, the net energy efficiency of bioenergy systems, assessment of sustainability, and biodiversity issues.