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In-situ remediation of petroleum-contaminated soil by application of plant-based surfactants toward preventing environmental degradation.
Okoro, Emmanuel E; Okafor, Ikechukwu S; Sanni, Samuel E; Obomanu, Tamunotonjo; Olugbenga, Taiwo S; Igbinedion, Paul.
Afiliación
  • Okoro EE; Petroleum Engineering Department, Covenant University, Ota, Nigeria.
  • Okafor IS; Petroleum Engineering Department, Nile University, Abuja, Nigeria.
  • Sanni SE; Chemical Engineering Department, Covenant University, Ota, Nigeria.
  • Obomanu T; Petroleum Engineering Department, Federal Polytechnic of Oil and Gas, Bonny, Nigeria.
  • Olugbenga TS; Biological Sciences Department, Covenant University, Ota, Nigeria.
  • Igbinedion P; Petroleum Engineering Department, Covenant University, Ota, Nigeria.
Int J Phytoremediation ; 23(10): 1013-1020, 2021.
Article en En | MEDLINE | ID: mdl-33470122
Remediation in this study employs the use of green plants and their extracts in enhancing the remediation process of polluted soils. GC-MS & FTIR techniques were employed in determining the constituents of the soil during the investigation. 60 ml of the extracts were applied on 1 by 2 ft segments of hydrocarbon polluted site and observed for two months. The results show that plant extract A significantly reduced the TPHs and PAHs to 5,450 and 126.2 mg/kg, respectively, as compared to those of extract B whose TPH and PAH values are 10,432 and 362.3 mg/kg, respectively. Both plant extracts reduced the total petroleum hydrocarbon compounds significantly when compared to the standard reference PAH and PAHs (4,500 mg/kg and 50 mg/kg respectively). The microbial plate count for the three media shows that the plant based surfactant had a synergy with the identified bacteria in enhancing Phytoremediation of the crude oil polluted site. Novelty statement: This study examined the application of two plant-based surfactants for remediation. These natural surfactants significantly reduced the petroleum hydrocarbon compounds present in the soil within the in-situ observation window. These Herbaceous plant family extracts have a great advantage as an eco-friendly alternative to synthetic surfactants, and they also exhibited an anti-fungi characteristic. The two biodegradable plant-based surfactants also significantly reduced the time that it could have taken for a remediation process.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes del Suelo / Petróleo Tipo de estudio: Prognostic_studies Idioma: En Revista: Int J Phytoremediation Asunto de la revista: BOTANICA / SAUDE AMBIENTAL Año: 2021 Tipo del documento: Article País de afiliación: Nigeria Pais de publicación: Estados Unidos
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes del Suelo / Petróleo Tipo de estudio: Prognostic_studies Idioma: En Revista: Int J Phytoremediation Asunto de la revista: BOTANICA / SAUDE AMBIENTAL Año: 2021 Tipo del documento: Article País de afiliación: Nigeria Pais de publicación: Estados Unidos