Optimization of oil yield from isothermal pyrolysis of waste polystyrene over CuO/Kaolin

被引:1
作者
Muhammad, Aminu Bayawa [1 ]
Abdulkarim, Awwal Mohammed [1 ]
Sokoto, Abdullahi Muhammad [1 ]
Musa, Mu'azu [2 ]
Muhammad, Misbahu Ladan [1 ]
机构
[1] Usmanu Danfodiyo Univ, Dept Energy & Appl Chem, Sokoto, Nigeria
[2] Usmanu Danfodiyo Univ, Sokoto Energy Res Ctr, Sokoto, Nigeria
关键词
Polystyrene; Copper(II) oxide; Kaolin; Pyrolysis; Thermochemical conversion; CATALYTIC PYROLYSIS; STYRENE MONOMER; CO-PYROLYSIS; PLASTIC WASTES; LIQUID PRODUCT; DEGRADATION; CONVERSION; BIOMASS; POLYPROPYLENE; RECOVERY;
D O I
10.1007/s10163-023-01704-w
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Isothermal pyrolysis of waste polystyrene over CuO/kaolin was investigated and optimized for maximum oil yield using Box-Behnken response surface design. The results revealed that the reaction variables affect the yields of the gaseous, liquid and char, respectively. Optimization of the reaction variables predicted an optimal yield of 96.07% at a residence time, heating rate, and catalyst loading of 45 min, 10 degrees C/min and 30%, respectively in agreement with the validation results of 95.56 +/- 1.90%. The physicochemical properties of the oil conformed with petrodiesel properties and could be used as its substitute. The oil has a 84% dominance of benzene,1,1-(1-butenylidene)bis, and the mechanism through which it was formed has been proposed.
引用
收藏
页码:2471 / 2484
页数:14
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