Research progress in the application of bulk solid waste in the field of flame retardation

Sun, Junjie; Hu, Yang; Guan, Mengfan; Hou, Yanbei; Zhang, Shihua; Liu, Xiuyu; Tang, Gang

doi:10.1016/j.jece.2023.111505

Journal of Environmental Chemical Engineering

2023

DOI: 10.1016/j.jece.2023.111505

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Research progress in the application of bulk solid waste in the field of flame retardation

Junjie Sun,

Yang Hu,

Mengfan Guan

et al.

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2024

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Cited by 3 publications

References 131 publications

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Preparation of lightweight foam glass-ceramics from copper slag tailings: Secondary aluminum slag as pore-forming agent

Zhang,

Liang,

et al. 2024

Ceramics International

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Preparation of lightweight foam glass-ceramics from copper slag tailings: Secondary aluminum slag as pore-forming agent

Zhang,

Liang,

et al. 2024

Ceramics International

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Fire retardant potential of natural fiber reinforced polymer composites: a review

Felix Sahayaraj,

Sasi Kumar

et al. 2024

Polymer-Plastics Technology and Materials

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High-Value and Environmentally Friendly Recycling Method for Coal-Based Solid Waste Based on Polyurethane Composite Materials

Li,

Liu,

et al. 2024

Polymers

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This study aims to provide a high-value and environmentally friendly method for the application of coal-based solid waste. Modified fly ash/polyurethane (MFA/PU) and modified coal gangue powder/polyurethane (MCG/PU) composites were prepared by adding different contents of MFA and MCG (10%, 20%, 30%, 40%). At the filler content of 30%, the compressive strengths of MFA/PU and MCG/PU are 84.1 MPa and 46.3 MPa, respectively, likely due to an improvement in interface compatibility, as indicated by scanning electron microscopy (SEM). The MFA/PU and MCG/PU composites present their highest limiting oxygen index (LOI) values of 29% and 23.5%, respectively, when their filler content is 30%. MFA has advantages in improving the LOIs of composites. Cone calorimetry (CCT) and SEM demonstrate that the two composites exhibit similar condensed-phase flame-retardant behaviors during combustion, which releases CO2 in advance and accelerates the formation of a dense barrier layer. Compared with the MFA/PU composites, the MCG/PU composites could produce a more stable and dense barrier structure. Water quality tests show that heavy metals do not leak from FA and CG embedded in PU. This work provided a new strategy for the safe and high-value recycling of coal-based solid waste.

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Research progress in the application of bulk solid waste in the field of flame retardation

Cited by 3 publications

References 131 publications

Preparation of lightweight foam glass-ceramics from copper slag tailings: Secondary aluminum slag as pore-forming agent

Preparation of lightweight foam glass-ceramics from copper slag tailings: Secondary aluminum slag as pore-forming agent

Fire retardant potential of natural fiber reinforced polymer composites: a review

High-Value and Environmentally Friendly Recycling Method for Coal-Based Solid Waste Based on Polyurethane Composite Materials

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