Gaois

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  1. ENVIRONMENT|environmental policy|pollution control measures · SCIENCE|natural and applied sciences|earth sciences|soil science

    #635193

    IATE #1704774
    sruthlú ithreach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Bodenspülung
    de
    Definition Technik zur Entfernung nichtflüchtiger Schadstoffe in der wasserungesättigten Bodenzone bzw. im Grundwasserschwankungsbereich Reference "COM-DE gestützt auf: GfS > Umwelttechnik > In-Situ-Verfahren (29.8.2023)"
    soil flushing | in situ flushing
    en
    Definition in situ enhanced mobilisation of contaminants in contaminated soil for recovery and treatment by forcing a fluid through the contaminated soil to either displace the contaminants or induce physical, chemical, biological and/or thermal conditions that favour removal Reference "COM-Terminology Coordination, based on: C.D. Shackelford. 'Geoenvironmental Engineering' (19.7.2023). In: Reference Module in Earth Systems and Environmental Sciences. Elsevier, 2013, ISBN 9780124095489"
    Comment Although the terms soil flushing and soil washing often are used interchangeably to describe the same technology, the term soil flushing generally is used in connection with in situ remediation, whereas the term soil washing is reserved for ex situ remediation.Flushing fluids may be water, enhanced water, and gaseous mixtures. Typical soil flushing solutions include water, dilute acids and bases, complexing and chelating agents, reducing agents, solvents, and surfactants. The fluids are introduced through spraying, surface flooding, subsurface leach fields, and subsurface injection.In some cases, steam has been used as the fluid in soil flushing applications.
    lavage in situ | rinçage du sol | lessivage du sol
    fr
    Definition "technique de décontamination des sols qui consiste à extraire les contaminants par l'infiltration ou l'injection dans le sol d'une solution aqueuse qui sert à les solubiliser et à les entraîner vers la nappe d'eau souterraine, d'où ils pourront être pompés et traités" Reference "Grand dictionnaire terminologique (Office québécois de la langue française) > Lessivage du sol (9.8.2023)"
    Comment "1) Le lavage in situ est une technique de décontamination de type physicochimique. Elle est appliquée à des sols non excavés, traités dans leur milieu. Ne pas confondre avec le lavage des sols (lavage ex situ).2) Ce concept est également défini au point 6.4.37 de la norme ISO 11074:2015 Qualité du sol - Vocabulaire."