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- W3144881514 abstract "To get basic knowledge about the degradation of polyethylene (PE) to oils in supercritical water (SCW), the effects of reaction temperature, reaction time, water to PE ratio and water fill rate on the degradation of PE to oils were investigated in supercritical water with a 125?mL autoclave. Reaction conditions were in the range of temperature 450?℃～480?℃, time 1?min～30?min, water/PE ratio 2/1～10/1 and water fill rate 25%～40%. The experiment results show that PE can be highly converted to liquid fuel and the temperature is the main factor effecting the decomposition of PE in SCW. The yield of oil decreases from 91.4% to 61.7% and that of gas increases from 1.9% to 27.7% with the increase of temperature from 450?℃ to 480?℃. A twofold increase of the yield of C_(7-11) hydrocarbons with the increase of reaction time from 10?min to 30?min is observed. The decomposition of PE is retarded to a certain extent due to the high water/PE ratio or high water fill rate. For increasing the productivity of the unit volume of reactor, keeping H_2O/PE ratio at 2～4 is reasonable." @default.
- W3144881514 created "2021-04-13" @default.
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- W3144881514 date "2004-01-01" @default.
- W3144881514 modified "2023-09-26" @default.
- W3144881514 title "Investigation on degradation of PE to oils in supercritical water" @default.
- W3144881514 hasPublicationYear "2004" @default.
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