Collection, analyses, or interpretation of data; inside the writing of the manuscript, or in the

Collection, analyses, or interpretation of data; inside the writing of the manuscript, or in the selection to publish the results.
polymersArticleLow-Temperature Thermal Degradation of Disinfected COVID-19 Non-Woven Polypropylene–Based Isolation Gown Wastes into Carbonaceous CharM. M. Harussani 1 , Umer Rashid two, , S. M. Sapuan 1,3, and Khalina AbdanAdvanced Engineering Supplies and Composites Study Centre (AEMC), Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; [email protected] Institute of Nanoscience and Nanotechnology (ION2), Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia Laboratory of Biocomposite Technologies, Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; [email protected] Correspondence: [email protected] (U.R.); [email protected] (S.M.S.)Citation: Harussani, M.M.; Rashid, U.; Sapuan, S.M.; Abdan, K. Low-Temperature Thermal Degradation of Disinfected COVID-19 Non-Woven Polypropylene–Based Isolation Gown Wastes into Carbonaceous Char. Polymers 2021, 13, 3980. https://doi.org/10.3390/ polym13223980 Academic Editor: Serge Bourbigot Received: 24 September 2021 Accepted: 20 October 2021 Published: 17 NovemberAbstract: Yields of carbonaceous char using a higher surface area were enhanced by decreasing the temperature to enhance the conversion of hazardous plastic polypropylene (PP), the significant component in abundantly utilised isolation gowns. This study applied pyrolysis with diverse low pyrolytic temperatures to convert disinfected PP-based isolation gown waste (PP-IG) into an 11-O-Methylpseurotin A supplier optimised amount of char yields. A batch reactor having a horizontal furnace was made use of to mediate the thermal decomposition of PP-IG. Enhanced surface location and porosity value of PP-IG derived char had been obtained by means of an optimised slow pyrolysis method. The outcomes showed that the quantity of yielded char was inversely proportional for the temperature. This process relied heavily around the process parameters, specifically pyrolytic temperature. In addition, because the heating rate decreased, at the same time as longer isothermal residence time, the char yields had been improved. Optimised temperature for maximum char yields was recorded. The enhanced SBET values for the char and its pore volume have been collected, 24 m2 g-1 and 0.08 cm3 g-1 , respectively. The char obtained at larger temperatures show higher volatilisation and carbonisation. These findings are useful for the utilisation of this pyrolysis model in plastic waste management and conversion of PP-IG waste into char for additional activated carbon and fuel briquettes applications, with all the enhanced char yields, amidst the COVID-19 pandemic. Keyword phrases: slow pyrolysis; COVID-19 isolation gown; polypropylene; char; pyrolysis parameters1. 8-Isoprostaglandin E2 web Introduction Serious acute respiratory syndrome coronavirus (SARS-CoV-2 or COVID-19 virus) pandemic attacked the world vigorously in the fourth quarter of 2019 till the present. Therefore, the Globe Overall health Organization (WHO) [1] announced a public health emergency as a consequence of the outbreak on 30 January 2020. As reported on 7 February 2021, there had been 106 million active COVID-19 instances, with 2.3 million deaths calculated from 219 nations and regions affected by the international outbreak [2]. Environmental pollution is among the most worrying consequences resulting from this COVID-19 epidemic. As of 22 November 2020, a massive quantity of COVID-19 healthcare waste (C.