New composites based on low-density polyethylene and rice husk: Elemental and thermal characteristics

Muhammad, Anshar and Dahlang, Tahir and Makhrani, Makhrani and Farid, Nasir Ani and Ab, Saman Kader (2018) New composites based on low-density polyethylene and rice husk: Elemental and thermal characteristics. Environmental Engineering Research 2018; 23(3):, 23 (3). pp. 250-257. ISSN pISSN 1226-1025 eISSN 2005-968X

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Official URL: https://www.e-sciencecentral.org/articles/SC000031...

Abstract

We developed new composites by combining the solid waste from Low-Density Polyethylene in the form of plastic bag (PB) and biomass from rice husk (RH),in the form of (RH)x(PB)1-x (x = (1, 0.9, 0.7, 0.5)), as alternative fuels for electrical energy sources, and for providing the best solution to reduce environmental pollution. Elemental compositions were obtained by using proximate analysis, ultimate analysis, and X-ray fluorescence spectroscopy, and the thermal characteristics were obtained from thermogravimetric analysis. The compositions of carbon and hydrogen from the ultimate analysis show significant increases of 20–30% with increasing PB in the composite. The activation energy for RH is 101.22 kJ/mol; for x = 0.9 and 0.7, this increases by 4 and 6 magnitude, respectively, and for x = 0.5, shows remarkable increase to 165.30 kJ/mol. The range of temperature of about 480–660°C is required for combustion of the composites (RH)x(PB)1-x (x = (1, 0.9, 0.7, 0.5)) to perform the complete combustion process and produce high energy. In addition, the calorific value was determined by using bomb calorimetry, and shows value for RH of 13.44 MJ/kg, which increases about 30–40% with increasing PB content, indicating that PB has a strong effect of increasing the energy realized to generate electricity.

Item Type: Article
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Department of Mechanical Engineering > Teknik Pembangkit Energi
Depositing User: admin admin pnup
Date Deposited: 01 Oct 2018 16:16
Last Modified: 04 Mar 2019 07:14
URI: http://repository.poliupg.ac.id/id/eprint/712

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