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Wang, Z., Gong, Z., Wang, Z., Li, X. and Chu, Z. (2020) Application and Development of Pyrolysis Technology in Petroleum Oily Sludge Treatment. Environmental Engineering Research, 26, Article 190460.
https://doi.org/10.4491/eer.2019.460

has been cited by the following article:

• TITLE: Recycling of Hydrocarbon Waste from Thermal Power Plant: Case of the Maria Gléta Thermal Power Plant in the Republic of Benin

  AUTHORS: Sibiath Omolola Ghislaine Osseni, Noukpo Bernard Tokpohozin, Sèmiyou Ayélé Osseni, Excelle Kougblenou, Bertrand Bruno Agbado, Aristide Comlan Houngan

  KEYWORDS: Valorization, Oily Sludge, Pyrolysis, Thermal Power Plant

  JOURNAL NAME: Journal of Environmental Protection, Vol.16 No.7, July 30, 2025

  ABSTRACT: The elimination of hydrocarbon waste is difficult, and it is a great source of greenhouse gas emissions due to its toxicity. The study characterised oily sludge from a Beninese thermal plant and tested small-scale pyrolysis to identify conversion conditions that minimise toxic residues. Laboratory analyses quantified moisture (≈25%), sulphur (0.3%), selected heavy metals, and very high viscosity. Pyrolysis at 400˚C for 30 min produced ~70% oil + gas, 5% char and 25% water, whereas 500˚C yielded only ash. The authors recommend the 400˚C/30 min option as a practical recovery route.