Petroleum sludge bioremediation and its toxicity removal by landfill in gunder semi-arid conditions


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Output type: Journal article

UM6P affiliated Publication?: Yes

Author list: Aguelmous, Anas; El Fels, Loubna; Souabi, Salah; Zamama, Mohamed; Yasri, Abdelaziz; Lebrihi, Ahmed; Hafidi, Mohamed

Publisher: Elsevier

Publication year: 2018

Journal: Ecotoxicology and Environmental Safety (0147-6513)

Volume number: 166

Start page: 482

End page: 487

Number of pages: 6

ISSN: 0147-6513

Languages: English (EN-GB)


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Abstract

In this investigation, petroleum sludge landfilling was carried out in order to assess the biodegradation degree and the final product quality. The microbial analysis showed a good microorganism proliferation which reinforces the biodegradation process. The total mesophilic and thermophilic microflora evaluated symmetrically as they increased at the intermediate stage and decreased at the final. The C/N and NH4+/NO(3)(-)ratios decreased while the polymerization degree increased at the end of the landfilling process. The total polyphenols and total petroleum C-6 to C(22)hydrocarbons were removed by 71.6% and 73% respectively, and that affected the reduction of the phytotoxicity in a positive way. All these changes are in agreement with the efficiency of the biotransformation process and showed that petroleum sludge and filling reduced the toxic organic compounds and led to a stable final product.


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Last updated on 2021-20-10 at 23:16