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Titolo:
Sorption and bioavailability of carbon tetrachloride in a low organic content sandy soil
Autore:
Zhao, XD; Szafranski, MJ; Maraqa, MA; Voice, TC;
Indirizzi:
Michigan State Univ, Dept Civil & Environm Engn, E Lansing, MI 48824 USA Michigan State Univ E Lansing MI USA 48824 Engn, E Lansing, MI 48824 USA Ford Motor Co, Dearborn, MI 48121 USA Ford Motor Co Dearborn MI USA 48121Ford Motor Co, Dearborn, MI 48121 USA United Arab Emirates Univ, Dept Civil Engn, Al Ain, U Arab Emirates UnitedArab Emirates Univ Al Ain U Arab Emirates l Ain, U Arab Emirates
Titolo Testata:
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
fascicolo: 8, volume: 18, anno: 1999,
pagine: 1755 - 1762
SICI:
0730-7268(199908)18:8<1755:SABOCT>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
RATE-LIMITED SORPTION; SP STRAIN KC; SOLUTE TRANSPORT; MASS-TRANSFER; THEORETICAL DEVELOPMENT; CONTAMINATED AQUIFER; SCALE EVALUATION; POROUS-MEDIA; BIODEGRADATION; NONEQUILIBRIUM;
Keywords:
bioavailability; nonequilibrium desorption; Pseudomonas sp strain KC; carbon tetrachloride;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
31
Recensione:
Indirizzi per estratti:
Indirizzo: Voice, TC Michigan State Univ, Dept Civil & Environm Engn, E Lansing, MI 48824 USA Michigan State Univ E Lansing MI USA 48824 ansing, MI 48824 USA
Citazione:
X.D. Zhao et al., "Sorption and bioavailability of carbon tetrachloride in a low organic content sandy soil", ENV TOX CH, 18(8), 1999, pp. 1755-1762

Abstract

Two sets of parallel columns were packed with a low-organic-content aquifer soil contaminated with carbon tetrachloride (CT) and flushed with water under bioactive and abiotic saturated conditions. Both affluent and soil concentrations (by sacrificing columns) were monitored for CT. Desorption of CT from the aquifer material could be described by a two-site nonequilibriummodel. The columns were found to operate far from desorption equilibrium conditions. Inoculation with Pseudomonas sp. strain KC resulted in rapid transformation of CT in the liquid phase, but no evidence of solid-phase degradation was found. Mathematical modeling of desorption and biodegradation assequential and independent processes appears to be justified for this soil/contaminant combination.

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Documento generato il 31/03/20 alle ore 15:23:50