Improving hydrocarbons production <i>via</i> catalytic co-pyrolysis of torrefied-biomass with plastics and dual catalytic pyrolysis

Peter Keliona Wani Likun; Huiyan Zhang; Yuyang Fan

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Improving hydrocarbons production via catalytic co-pyrolysis of torrefied-biomass with plastics and dual catalytic pyrolysis

Regular | Updated：2026-01-06

- Improving hydrocarbons production via catalytic co-pyrolysis of torrefied-biomass with plastics and dual catalytic pyrolysis
- Improving hydrocarbons production via catalytic co-pyrolysis of torrefied-biomass with plastics and dual catalytic pyrolysis
- 中国化学工程学报（英文版） 2022年42卷第2期页码：196-209
- Affiliations：
  
  1. Key Laboratory of Thermal Energy Conversion and Control Ministry of Education, Southeast University,Nanjing,China,210096
  2. Department of Mechanical Engineering, Juba University, Juba, P.O. Box 82, South Sudan
- Author bio：
- Funds：
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- 纸质出版：2022
- Accepted：
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Peter Keliona Wani Likun, Huiyan Zhang, Yuyang Fan. Improving hydrocarbons production via catalytic co-pyrolysis of torrefied-biomass with plastics and dual catalytic pyrolysis[J]. 中国化学工程学报（英文版）, 2022,42(2):196-209.

catalytic co-pyrolysis of torrefied-biomass with plastics and dual catalytic pyrolysis[J]. 中国化学工程学报, 2022, 42(2): 196-209.
Peter Keliona Wani Likun, Huiyan Zhang, Yuyang Fan. Improving hydrocarbons production via catalytic co-pyrolysis of torrefied-biomass with plastics and dual catalytic pyrolysis[J]. 中国化学工程学报（英文版）, 2022,42(2):196-209. DOI：

catalytic co-pyrolysis of torrefied-biomass with plastics and dual catalytic pyrolysis[J]. 中国化学工程学报, 2022, 42(2): 196-209. DOI：

摘要

Abstract

To increase the low yield and selectivity of aromatic hydrocarbons during the biomass pyrolysis process

we torrefied the biomass and then co-pyrolyzing with plastics such as high-density polyethylene (HDPE)

polystyrene (PS)

ethylene-vinyl acetate (EVA) and polypropylene (PP) and also single and dual catalyst layouts were investigated by Py-GC/MS. The results showed that non-catalytic fast pyrolysis (CFP) of raw bagasse (RBG) generated no aromatics. After torrefaction non-CFP of torrefied bagasse (TBG) generated low aromatic yield. Indicating that torrefaction would enhance the proportion of aromatics during the pyrolysis process. The CFP of TBG

200℃

and TBG

240℃

over ZSM-5 produced the total aromatic yield of 1.96 and 1.88 times higher

respectively

compared to non-CFP of TBG. Furthermore

the addition of plastic could increase H/Ceff ratio of the mixture

consequently

increase the yield of aromatic compounds. Among the various torrefied-bagasse/plastic mixtures

the CFP of TBG/EVA (7:3 ratio) mixture generated the highest the total aromatic yield of 7.7 times more than the CFP of TBG alone. The dual catalyst layout could enhance the yield of aromatics hydrocarbons. The dual-catalytic c

o-pyrolysis of TBG

200℃

/plastic (1:1) ratio over USY (ultra-stable Y zeolite)/ZSM-5

improved the total aromatics yield by 4.33 times more than the catalytic pyrolysis of TBG

200oC

alone over ZSM-5 catalyst. The above results showed that the yield and selectivities of light aromatic hydrocarbons can be improved

via

catalytic co-pyrolysis and dual catalytic co-pyrolysis of torrefied-biomass with plastics.

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Improving hydrocarbons production via catalytic co-pyrolysis of torrefied-biomass with plastics and dual catalytic pyrolysis

Improving hydrocarbons production via catalytic co-pyrolysis of torrefied-biomass with plastics and dual catalytic pyrolysis

DOI：

摘要

Abstract

关键词

Keywords

references