期刊
ENGINEERING
卷 2, 期 4, 页码 426-437出版社
ELSEVIER
DOI: 10.1016/J.ENG.2016.04.005
关键词
Soil decomposition; Land reclamation; Incineration; Pyrolysis; Desorption
资金
- Chevron Corporation
- NSF EAR [0949337]
- Directorate For Geosciences
- Division Of Earth Sciences [0949337] Funding Source: National Science Foundation
Thermal treatment technologies hold an important niche in the remediation of hydrocarboncontaminated soils and sediments due to their ability to quickly and reliably meet cleanup standards. However, sustained high temperature can be energy intensive and can damage soil properties. Despite the broad applicability and prevalence of thermal remediation, little work has been done to improve the environmental compatibility and sustainability of these technologies. We review several common thermal treatment technologies for hydrocarbon-contaminated soils, assess their potential environmental impacts, and propose frameworks for sustainable and low-impact deployment based on a holistic consideration of energy and water requirements, ecosystem ecology, and soil science. There is no universally appropriate thermal treatment technology. Rather, the appropriate choice depends on the contamination scenario (including the type of hydrocarbons present) and on site-specific considerations such as soil properties, water availability, and the heat sensitivity of contaminated soils. Overall, the convergence of treatment process engineering with soil science, ecosystem ecology, and plant biology research is essential to fill critical knowledge gaps and improve both the removal efficiency and sustainability of thermal technologies. (C) 2016 THE AUTHORS. Published by Elsevier LTD on behalf of Chinese Academy of Engineering and Higher Education Press Limited Company.
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