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Environmental and economic performance of chemical and biological processes for treating petroleum hydrocarbon-contaminated soil: An experimental study

TitoloEnvironmental and economic performance of chemical and biological processes for treating petroleum hydrocarbon-contaminated soil: An experimental study
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2024
AutoriAmbaye, T.G., Formicola F., Sbaffoni Silvia, Lima A.T.M., Franzetti A., and Vaccari M.
RivistaJournal of Environmental Chemical Engineering
Volume12
ISSN22133437
Parole chiaveBio-surfactants, Biomolecules, Bioslurry, Contaminated soils, Cost effectiveness, Economic analysis, Electro-fenton, Energy, Environmental and economic performance, Environmental technology, funding_text 1=This work has been supported by the Italian Agency for Development Cooperation through the partnerships for knowledge (PFK) program., gasoline, Hotspots, Hydrocarbons, LCA, LCC, life cycle, Petroleum hydrocarbon, Soil pollution, Soils, Surface active agents
Abstract

Over the past ten years, researchers have applied various approaches to treat petroleum hydrocarbon-contaminated soil and assess its performance based on removal efficiencies and not on its environmental and economic impacts. In this study, the environmental and economic performances of the operational stages of electro-Fenton and bio-slurry technologies are investigated and compared using a life cycle assessment to assess the environmental and economic performances in treating petroleum hydrocarbon-polluted soil. The data used in this study were collected from primary and secondary sources, and the potential 18 environmental impacts were calculated using the ReCiPe 2016 characterization approach in SimaPro 9.5 software. The electro-Fenton process is the most environmentally friendly method, identifying chemicals and energy as major contributors to the environmental impact. Energy is the main hotspot, accounting for 90 % of the total environmental impact. Energy and biosurfactants are the main environmental hotspots in bioslurry processes, accounting for 60 % of the total. The bioslurry process has the highest environmental impact owing to the use of biosurfactants and electricity consumption. The bioslurry process is the most cost-effective, with a life-cycle cost of 7.13$/kg, while the electro-Fenton technique is the most expensive (661.25$/kg) owing to the use of BDD as the electrode, costing 323$/kg. © 2024 Elsevier Ltd

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85199981957&doi=10.1016%2fj.jece.2024.113672&partnerID=40&md5=c011ed6902886beaa91228b78a0e1935
DOI10.1016/j.jece.2024.113672
Citation KeyAmbaye2024