A study on the effect of heating rate during cellulose and polyethylene co-pyrolysis

LIU Bo; GUO Xin; WU Bang; LIU Zi-meng

doi:10.19906/j.cnki.JFCT.2023006

Volume 51 Issue 7

Jul. 2023

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LIU Bo, GUO Xin, WU Bang, LIU Zi-meng. A study on the effect of heating rate during cellulose and polyethylene co-pyrolysis[J]. Journal of Fuel Chemistry and Technology, 2023, 51(7): 930-938. doi: 10.19906/j.cnki.JFCT.2023006

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LIU Bo, GUO Xin, WU Bang, LIU Zi-meng. A study on the effect of heating rate during cellulose and polyethylene co-pyrolysis[J]. Journal of Fuel Chemistry and Technology, 2023, 51(7): 930-938. doi: 10.19906/j.cnki.JFCT.2023006

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A study on the effect of heating rate during cellulose and polyethylene co-pyrolysis

doi: 10.19906/j.cnki.JFCT.2023006

LIU Bo^{1, 2
,},
GUO Xin^{1, 2
,
,},
WU Bang^1
,,
LIU Zi-meng^{1, 2
,}

1.
State Key Laboratory of Coal Combustion, University of Science and Technology, Wuhan 430074, China
2.
China-EU Institute for Renewable Energy, Huazhong University of Science and Technology, Wuhan 430074, China

Received Date: 2022-10-24
Accepted Date: 2022-12-26
Rev Recd Date: 2022-12-14

Available Online: 2023-01-18

Publish Date: 2023-07-01

Abstract

Abstract

Slow co-pyrolysis and fast co-pyrolysis of cellulose (CE) with high density polyethylene (HDPE) were investigated in a tube furnace reactor. The effects of heating rate and mixing ratio on the co-pyrolysis of CE and HDPE were investigated. The results show that slow co-pyrolysis of CE and HDPE can boost liquid yields while lowering gas and char yields. When the ratio of CE to HDPE is 1∶3, the slow co-pyrolysis interaction is strongest. At this ratio, the liquid yield was 95.4%. Compared with the calculated yield, the liquid yield is increased by 9.8%. Rapid co-pyrolysis reduce the liquid yield, but increase the gas yield. When the ratio of CE to HDPE is 3∶1, the rapid co-pyrolysis interaction is strongest. The liquid and gas yields were 49.3% and 42.8%, respectively. Compared with the calculated yields, the liquid yield is reduced by 14.5% but the gas yield is increased by 14.1%. These results verified that the synergistic effect existed during co-pyrolysis of CE and HDPE under the experimental conditions. Co-pyrolysis of CE and HDPE favors reducing the oxygen content of the liquid product and improving the quality of the liquid product.
- co-pyrolysis,
- cellulose,
- polyethylene,
- interaction

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References(33)

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