Reduction of carbon dioxide in hydrothermal cracking of polymer wastes

Xu Zeng; Fangming Jin; Zhibao Huo; Takeo Mogi; Atsushi Kishita; Heiji Enomoto

doi:10.1021/ef200440k

Reduction of carbon dioxide in hydrothermal cracking of polymer wastes

Xu Zeng, Fangming Jin, Zhibao Huo, Takeo Mogi, Atsushi Kishita, Heiji Enomoto

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

An innovative technology that reduces CO₂ into organic compounds such as formic acid during the hydrothermal cracking of ethylene propylene diene monomer (EPDM) was discussed. The reduction process was accompanied by the conversion of EPDM into fuel oils. The analytical results of gas samples with and without CO₂ showed that the concentrations of hydrocarbons with 1-6 carbon atoms were significantly higher in the presence of CO₂ than those in the absence of CO₂, particularly for methane at 450° C. The highest efficiency for CO₂ reduction was about 20%, which occurred at 450° C with a reaction time of 2 h. The amount of hydrocarbons, the alkanes from the hydrothermal cracking of EPDM, with 2-6 carbon atoms also increased in the presence of CO₂. Hydrogen and methane were found to be the major components of the gas samples. The formation of formic acid was also clearly observed.

Original language	English
Pages (from-to)	2749-2752
Number of pages	4
Journal	Energy and Fuels
Volume	25
Issue number	6
DOIs	https://doi.org/10.1021/ef200440k
Publication status	Published - 2011 Jun 16

ASJC Scopus subject areas

Chemical Engineering(all)
Energy Engineering and Power Technology
Fuel Technology

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abstract = "An innovative technology that reduces CO2 into organic compounds such as formic acid during the hydrothermal cracking of ethylene propylene diene monomer (EPDM) was discussed. The reduction process was accompanied by the conversion of EPDM into fuel oils. The analytical results of gas samples with and without CO2 showed that the concentrations of hydrocarbons with 1-6 carbon atoms were significantly higher in the presence of CO2 than those in the absence of CO2, particularly for methane at 450° C. The highest efficiency for CO2 reduction was about 20%, which occurred at 450° C with a reaction time of 2 h. The amount of hydrocarbons, the alkanes from the hydrothermal cracking of EPDM, with 2-6 carbon atoms also increased in the presence of CO2. Hydrogen and methane were found to be the major components of the gas samples. The formation of formic acid was also clearly observed.",

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T1 - Reduction of carbon dioxide in hydrothermal cracking of polymer wastes

AU - Zeng, Xu

AU - Jin, Fangming

AU - Huo, Zhibao

AU - Mogi, Takeo

AU - Kishita, Atsushi

AU - Enomoto, Heiji

PY - 2011/6/16

Y1 - 2011/6/16

N2 - An innovative technology that reduces CO2 into organic compounds such as formic acid during the hydrothermal cracking of ethylene propylene diene monomer (EPDM) was discussed. The reduction process was accompanied by the conversion of EPDM into fuel oils. The analytical results of gas samples with and without CO2 showed that the concentrations of hydrocarbons with 1-6 carbon atoms were significantly higher in the presence of CO2 than those in the absence of CO2, particularly for methane at 450° C. The highest efficiency for CO2 reduction was about 20%, which occurred at 450° C with a reaction time of 2 h. The amount of hydrocarbons, the alkanes from the hydrothermal cracking of EPDM, with 2-6 carbon atoms also increased in the presence of CO2. Hydrogen and methane were found to be the major components of the gas samples. The formation of formic acid was also clearly observed.

AB - An innovative technology that reduces CO2 into organic compounds such as formic acid during the hydrothermal cracking of ethylene propylene diene monomer (EPDM) was discussed. The reduction process was accompanied by the conversion of EPDM into fuel oils. The analytical results of gas samples with and without CO2 showed that the concentrations of hydrocarbons with 1-6 carbon atoms were significantly higher in the presence of CO2 than those in the absence of CO2, particularly for methane at 450° C. The highest efficiency for CO2 reduction was about 20%, which occurred at 450° C with a reaction time of 2 h. The amount of hydrocarbons, the alkanes from the hydrothermal cracking of EPDM, with 2-6 carbon atoms also increased in the presence of CO2. Hydrogen and methane were found to be the major components of the gas samples. The formation of formic acid was also clearly observed.

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Reduction of carbon dioxide in hydrothermal cracking of polymer wastes

Abstract

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