Liquefaction of natural rubber to liquid fuels via hydrous pyrolysis

Ahmad, Nabeel and Abnisa, Faisal and Daud, Wan Mohd Ashri Wan (2018) Liquefaction of natural rubber to liquid fuels via hydrous pyrolysis. Fuel, 218. pp. 227-235. ISSN 0016-2361, DOI

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In this study, the natural rubber (NR) was liquefied to produce liquid fuels using hydrous pyrolysis technique. The study was performed in the autoclave batch reactor at different temperatures (300–400 °C), with different water to natural rubber mass ratios (1:1–5:1) and different reaction times (15–75 min). The effect of different parameters then was evaluated on the liquid product in term of quantity and quality. The results showed that the highest liquid yield of 76 wt% was obtained at temperature, H2O/material mass ratio and time of 375 °C, 3:1 and 30 min respectively. Among the parameters, temperature was found to be the most important parameter, showing a notable positive effect on the liquid oil quality and quantity. The characterization results showed that the oil had high energy density, low oxygen and sulfur contents, and non-acidic. The GC–MS analysis showed that the obtained oil was dominated by alkenes, aromatics and alkyls. From all characteristic results it showed that the oil from NR was more suitable to be used as fuel compare to the oil derived from scrap tire, where the study on hydrous pyrolysis of scrap tire was also provided in this manuscript as comparative study. In addition, the production of oil from the hydrous pyrolysis of NR in Malaysia could add to the energy potential about 15 PJ/year or equivalent to 2.5 million barrels of oil per year.

Item Type: Article
Funders: GSP-MOHE (MO008-2015), PPP grants (PG074-2016A), University of Malaya, Malaysia
Uncontrolled Keywords: Hydrous pyrolysis; Natural rubber; Liquid fuels; Characterization; Energy potential
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Oct 2019 06:59
Last Modified: 04 Oct 2019 06:59

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