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Reuse of Buffing Dust-Laden Tanning Waste Hybridized with Poly- Styrene for Fabrication of Thermal Insulation Materials

Author

Listed:
  • Wajad Ulfat

    (Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan)

  • Ayesha Mohyuddin

    (Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan)

  • Muhammad Amjad

    (Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan)

  • Tonni Agustiono Kurniawan

    (College of Ecology and the Environment, Xiamen University, Xiamen 361102, China)

  • Beenish Mujahid

    (Department of Architecture, School of Architecture and Planning, University of Management and Technology, Lahore 54770, Pakistan)

  • Sohail Nadeem

    (Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan)

  • Mohsin Javed

    (Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan)

  • Adnan Amjad

    (Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan)

  • Abdul Qayyum Ashraf

    (Department of Biotechnology, Faculty of Science and Technology, Virtual University of Pakistan, Lahore 51000, Pakistan)

  • Mohd Hafiz Dzarfan Othman

    (Advanced Membrane Technology Research Centre (AMTEC), Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia (UTM), Skudai 81310, Johor Bahru, Malaysia)

  • Sadaful Hassan

    (Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan)

  • Muhammad Arif

    (Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan)

Abstract

Air pollution, resulting from buffing dust waste produced by local leather tanning industry, has become a critical issue for the environment and public health. To promote a circular economy through resource recovery, this work developed a thermal insulation composite using buffing dust-laden tanning waste mixed with polystyrene and a blowing agent. To prepare the samples from leather tanning waste, different proportions of buffing dust (5–20% ( w / w )) were blended with polystyrene in the presence of 3% ( w / w ) blowing agent. The composite material was processed in double-barreled with co-twin extruder to expose it to pressure and then heated at 200 °C. Different physico-chemical properties of composite samples were determined. The prepared composite materials had a good thermal conductivity (0.033–0.029 W/m-K), strong compression (5.21–6.25 ton), density (38–20 kg/m 3 ), and water absorption (5–7.5%), as compared to conventional constructional insulation panels. The thermal conductivity of polystyrene was reduced to 10% after the addition of buffing dust (20% w / w ). The presence of a blowing agent in the composite material enhanced its volume without compromising its physico-chemical properties. Thermo-gravimetric analysis showed that the thermal stability of the composite material ranged from 200–412 °C. FTIR analysis indicated that the composite had carbonyl and amino functional groups. The SEM images revealed the formation of voids with a decreasing homogeneity of the composite after the addition of the buffing dust waste. The EDX analysis revealed that the composite also had 62% of C and a tiny amount of Cr. This implies that the composite panels can be used for installation in buildings as thermal insulators in the construction sector. Overall, this work not only resolved the energy consumption problems during manufacturing, but it also brought positive impacts on the environment by recycling hazardous buffing dust and then reusing it as a thermal insulation material. Not only does this reduce the air pollution that results from the buffing dust waste, but this also promotes resource recovery in the framework of a circular economy.

Suggested Citation

  • Wajad Ulfat & Ayesha Mohyuddin & Muhammad Amjad & Tonni Agustiono Kurniawan & Beenish Mujahid & Sohail Nadeem & Mohsin Javed & Adnan Amjad & Abdul Qayyum Ashraf & Mohd Hafiz Dzarfan Othman & Sadaful H, 2023. "Reuse of Buffing Dust-Laden Tanning Waste Hybridized with Poly- Styrene for Fabrication of Thermal Insulation Materials," Sustainability, MDPI, vol. 15(3), pages 1-12, January.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:3:p:1958-:d:1041699
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    References listed on IDEAS

    as
    1. Yılmaz, Onur & Cem Kantarli, I. & Yuksel, Mithat & Saglam, Mehmet & Yanik, Jale, 2007. "Conversion of leather wastes to useful products," Resources, Conservation & Recycling, Elsevier, vol. 49(4), pages 436-448.
    2. Tonni Agustiono Kurniawan & Mohd Hafiz Dzarfan Othman & Xue Liang & Muhammad Ayub & Hui Hwang Goh & Tutuk Djoko Kusworo & Ayesha Mohyuddin & Kit Wayne Chew, 2022. "Microbial Fuel Cells (MFC): A Potential Game-Changer in Renewable Energy Development," Sustainability, MDPI, vol. 14(24), pages 1-20, December.
    3. Tonni Agustiono Kurniawan & Xue Liang & Elizabeth O’Callaghan & Huihwang Goh & Mohd Hafiz Dzarfan Othman & Ram Avtar & Tutuk Djoko Kusworo, 2022. "Transformation of Solid Waste Management in China: Moving towards Sustainability through Digitalization-Based Circular Economy," Sustainability, MDPI, vol. 14(4), pages 1-15, February.
    4. Willi Haas & Fridolin Krausmann & Dominik Wiedenhofer & Markus Heinz, 2015. "How Circular is the Global Economy?: An Assessment of Material Flows, Waste Production, and Recycling in the European Union and the World in 2005," Journal of Industrial Ecology, Yale University, vol. 19(5), pages 765-777, October.
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