Methyl ketones: a comprehensive study of a novel biofuel

Grütering, Carolin; Honecker, Christian; Hofmeister, Marius; Neumann, Marcel; Raßpe-Lange, Lukas; Du, Miaomiao; Lehrheuer, Bastian; von Campenhausen, Maximilian; Schuster, Franziska; Surger, Maximilian; Ebert, Birgitta E.; Jupke, Andreas; Tiso, Till; Leonhard, Kai; Schmitz, Katharina; Pischinger, Stefan; Blank, Lars M.

doi:10.1039/d4se00035h

Sustainable Energy Fuels

2024

DOI: 10.1039/d4se00035h

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Methyl ketones: a comprehensive study of a novel biofuel

Carolin Grütering,

Christian Honecker,

Marius Hofmeister

et al.

Abstract: Biotechnologically produced methyl ketones can be a sustainable, safe, and less toxic biofuel candidate with efficient and clean combustion properties and compatibility with the fuel infrastructure.

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Synthetic bacterial consortium for degradation of plastic pyrolysis oil waste

Jia,

Dou,

Ballersted

et al. 2024

Preprint

Self Cite

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The plasic crisis is ominipresent, from littering macroplastic to reports that document plastic in every niche of this planet, including the human body. In order to achieve higher recycling quotas, especially of mixed plastic waste, pyrolysis seems to be a viable option. However, depending on the process parameters, plastic pyrolysis oil waste is encountered, which is difficult to valorize, due to the enormous spread of the molecules included. To reduce the molecular heterogeneity, we here artificially compounded, monitored, and optimized the performance of a bacterial consortium, which has the ability to tolerate organic pollutants and use them as energy and carbon sources for their own metabolic activity. The primary constituents of the here used plastic pyrolysis oil waste (PPOW) were alkanes and ε-caprolactam. The bacterial community exhibited noteworthy efficacy in eliminating alkanes of diverse chain lengths ranging from 71% to 100%. Additionally, within 7-days, the microbial community demonstrated a removal efficiency surpassing 50% for various aromatic hydrocarbons, along with complete eradication of ε-caprolactam and naphthalene. Besides, a back-propagation (BP) neural network method is applied to evaluate O2 consumption as a measure of microbial activity. The insights gained were used to build a model, which is able to predict O2 depletion in long-time experiments and other experimental conditions. The results are discussed in the context of a developing (open) circular plastic economy.

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Synthetic bacterial consortium for degradation of plastic pyrolysis oil waste

Jia,

Dou,

Ballersted

et al. 2024

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

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Methyl ketones: a comprehensive study of a novel biofuel

Abstract: Biotechnologically produced methyl ketones can be a sustainable, safe, and less toxic biofuel candidate with efficient and clean combustion properties and compatibility with the fuel infrastructure.

Cited by 1 publication

References 75 publications

Synthetic bacterial consortium for degradation of plastic pyrolysis oil waste

Synthetic bacterial consortium for degradation of plastic pyrolysis oil waste

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