期刊
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
卷 139, 期 -, 页码 333-343出版社
ELSEVIER
DOI: 10.1016/j.jaap.2019.03.010
关键词
Rubber seed cake; Waste polystyrene; Co-pyrolysis; Characterization; Calorific value
资金
- Adama Science and Technology University
- Ethiopian Ministry of Education
- IITG
In this study, biofuels production through thermal and co-pyrolysis of rubber seed cake (RSC) with waste polystyrene (PS) using semi-batch reactor was investigated. Thermogravimetric analysis (TGA) of RSC at heating rate of 10 degrees C/min showed that R50 value as 1.87%/min at about 361.84 degrees C. Effects of pyrolysis temperature (350 degrees C - 600 degrees C) and heating rate (10 degrees C/min-40 degrees C/min) on product distribution (liquid, gas and bio-char) were considered. During thermal decomposition of RSC, the temperature significantly affected the yield and properties of the products. The maximum yield of RSC pyrolytic bio-oil (21.58 vol/wt%), gas (25.58 wt%) and, carbon-rich RSC bio-char (26.18 wt%) were obtained at 500 degrees C temperature for heating rate of 20 degrees C/min. Furthermore, the bio-oil yield and its energy content were enhanced from 21.58 vol/wt% to 48.7 vol/wt% and 32.25 MJ/kg to 37.48 MJ/kg through co-pyrolysis of RSC (50 wt%) with waste polystyrene (50 wt%). Value added organic compounds such as phenolic, amide, creosol, esters, 1-dodecyne and styrene compounds were identified in bio-oil sample using gas chromatography with mass spectroscopy (GC-MS). In depth analysis of physico-chemical-thermal properties of RSC and obtained products (bio-oil and bio-char) using various analytical techniques suggested that RSC with WPS can be considered as a suitable feedstock for the production of value added chemicals including fuel.
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