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Effect of Temperature on Controlled Air Oxidation of Plastic and Biomass in a Packed‐Bed Reactor
Author(s) -
Meng Q.M.,
Chen X.P.,
Zhuang Y.M.,
Liang C.
Publication year - 2013
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.201200343
Subject(s) - packed bed , sawdust , polypropylene , chemistry , yield (engineering) , volumetric flow rate , fraction (chemistry) , gas composition , product distribution , gas chromatography , analytical chemistry (journal) , biomass (ecology) , mass fraction , chemical engineering , oxygen , chromatography , materials science , organic chemistry , thermodynamics , composite material , catalysis , physics , oceanography , engineering , geology
A packed‐bed reactor was established to study the effect of temperature on the controlled air oxidation (CAO) performance of a mixture of polypropylene and sawdust at a fixed feed gas flow rate. The reactor temperature was varied from 400 to 800 °C. Attention was focused on product distribution, compositions of liquid and gas products, and technical parameters. The chemical composition of the liquid products was analyzed by gas chromatography/mass spectrometry. The results indicated an obvious impact of the temperature on the described parameters. The increase in temperature led to the decrease in solid fraction and a convex shape curve for the gas yield as well as to a decrease of alkanes and alkenes, and favored the generation of oxygen‐containing hydrocarbons. According to criteria of CAO conversion, the optimum temperature in the primary chamber was found to be 700 °C.
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