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Titolo:
SOIL CLEANING BY CARBON-DIOXIDE EXTRACTION - A REVIEW
Autore:
LAITINEN A; MICHAUX A; AALTONEN O;
Indirizzi:
VTT SUPERCRIT TECHNOL GRP,POB 1401 SF-02044 VTT FINLAND
Titolo Testata:
Environmental technology
fascicolo: 8, volume: 15, anno: 1994,
pagine: 715 - 727
SICI:
0959-3330(1994)15:8<715:SCBCE->2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
SUPERCRITICAL-FLUID EXTRACTION; POLYCYCLIC AROMATIC-HYDROCARBONS; TAR CONTAMINATED SOIL; POLYCHLORINATED-BIPHENYLS; ORGANICS; SAMPLES; PESTICIDES; ENTRAINERS; RECOVERY; SEDIMENT;
Keywords:
SUPERCRITICAL; CARBON DIOXIDE; SOIL; CLEANING; EXTRACTION;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
55
Recensione:
Indirizzi per estratti:
Citazione:
A. Laitinen et al., "SOIL CLEANING BY CARBON-DIOXIDE EXTRACTION - A REVIEW", Environmental technology, 15(8), 1994, pp. 715-727

Abstract

Supercritical carbon dioxide is a solvent for non-polar solids and volatile compounds. It dissolves hydrocarbons, polyaromatic hydrocarbons(PAH's), chlorinated hydrocarbons (such as PCB's and dioxins), phenols, chlorinated phenols and many pesticides and herbicides. Supercritical carbon dioxide effectively extracts the non-polar compounds from all soil types. The extraction of more polar compounds, such as chlorophenols and some pesticides requires that a polar compound, such as a short chain alcohol is added to the carbon dioxide. Carbon dioxide extraction is usually quicker and in cases more complete than the standard analytical methods which use organic liquid solvents as extraction medium. Supercritical carbon dioxide extraction is used by environmental analysis laboratories as a more efficient, occupationally more acceptable method for analyzing contaminated soils. Plans to construct transportable units for large scale soil cleaning have been published.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/09/20 alle ore 00:53:53