Optimizing carbon efficiency of jet fuel range alkanes from cellulose co-fed with polyethylene via catalytically combined processes

Xuesong Zhang; Hanwu Lei; Lei Zhu; Xiaolu Zhu; Moriko Qian; Gayatri Yadavalli; Di Yan; Joan Wu; Shulin Chen

doi:10.1016/j.biortech.2016.04.086

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Optimizing carbon efficiency of jet fuel range alkanes from cellulose co-fed with polyethylene via catalytically combined processes

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Optimizing carbon efficiency of jet fuel range alkanes from cellulose co-fed with polyethylene via catalytically combined processes

Xuesong Zhang, Hanwu Lei, Lei Zhu, Xiaolu Zhu, Moriko Qian, Gayatri Yadavalli, Di Yan, Joan Wu and Shulin Chen

Bioresource technology, Vol.214, pp.45-54

08/2016

DOI: https://doi.org/10.1016/j.biortech.2016.04.086

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https://hdl.handle.net/2376/118387

PMID: 27126079

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Abstract

Cellulose - chemistry

Hydrocarbons - chemical synthesis

Catalysis

Hydrogenation

Carbon - chemistry

Microwaves

Polyethylene - chemistry

Enhanced carbon yields of renewable alkanes for jet fuels were obtained through the catalytic microwave-induced co-pyrolysis and hydrogenation process. The well-promoted ZSM-5 catalyst had high selectivity toward C8-C16 aromatic hydrocarbons. The raw organics with improved carbon yield (∼44%) were more principally lumped in the jet fuel range at the catalytic temperature of 375°C with the LDPE to cellulose (representing waste plastics to lignocellulose) mass ratio of 0.75. It was also observed that the four species of raw organics from the catalytic microwave co-pyrolysis were almost completely converted into saturated hydrocarbons; the hydrogenation process was conducted in the n-heptane medium by using home-made Raney Ni catalyst under a low-severity condition. The overall carbon yield (with regards to co-reactants of cellulose and LDPE) of hydrogenated organics that mostly match jet fuels was sustainably enhanced to above 39%. Meanwhile, ∼90% selectivity toward jet fuel range alkanes was attained.

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Title: Optimizing carbon efficiency of jet fuel range alkanes from cellulose co-fed with polyethylene via catalytically combined processes
Creators: Xuesong Zhang - Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
Hanwu Lei - Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA. Electronic address: hlei@wsu.edu
Lei Zhu - Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
Xiaolu Zhu - Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
Moriko Qian - Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
Gayatri Yadavalli - Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
Di Yan - Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
Joan Wu - Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
Shulin Chen - Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
Publication Details: Bioresource technology, Vol.214, pp.45-54
Identifiers: 99900582328101842
Language: English
Resource Type: Journal article