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Remediation of soil contaminated with 137Cs remains one of the most challenging tasks after the Chernobyl 1986 accident. The objectives of this research were to (1) identify extractants that may be used to solubilize 137Cs in soil solution, (2) study the effect of soil amendments on 137Cs accumulation by plants, and (3) evaluate the applicability O1 phytoextraction for environmental restoration of soil contaminated with 137Cs. The availability of 137Cs to the plants in Chernobyl soil was limited, because this radionuclide was tightly bound to exchange sites of soil particles or incorporated into the crystalline structure of primary and secondary minerals. Out of 20 soil amendments tested to increase 137Cs desorption/solubility in the soil, ammonium salts were found to be the most practical soil amendment that can potentially increase 137Cs bioavailability. Among the screened plants, Amaranth cultivars had the highest 137 Cs accumulation. Three sequential crops of Indian mustard grown in one vegetation season at the experimental plot resulted in a small decrease of 137Cs specific activity withir the top 15 cm of soil. Further improvements are necessary to make phytoremediation technology a feasible option for restoration of 137Cs-contaminated territories.

Titel:	Phytoremediation of radiocesium-contaminated soil in the vicinity of Chernobyl, Ukraine
Autor/in / Beteiligte Person:	DUSHENKOV, S ; MIKHEEV, A ; PROKHNEVSKY, A ; RUCHKO, M ; SOROCHINSKY, B
Link:	View record from PASCAL Archive
Zeitschrift:	Environmental science & technology, Jg. 33 (1999), Heft 3, S. 469-475
Veröffentlichung:	Washington, DC: American Chemical Society, 1999
Medientyp:	academicJournal
Umfang:	print, 36 ref
ISSN:	0013-936X (print)
Schlagwort:	Europe Est Eastern Europe Europa del Este Europe Europa Ukraine Ukrania Chernobyl Biotechnology Biotechnologies Ecology Ecologie Energy Énergie Environment Environnement Pollution Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Pollution du sol et des sédiments Soil and sediments pollution Décontamination. Divers Decontamination. Miscellaneous Terre, ocean, espace Earth, ocean, space Sciences de la terre Earth sciences Géologie de l'ingénieur et de l'environnement. Géothermie Engineering and environment geology. Geothermics Pollution, géologie de l'environnement Pollution, environment geology Sciences biologiques et medicales Biological and medical sciences Sciences biologiques fondamentales et appliquees. Psychologie Fundamental and applied biological sciences. Psychology Biotechnologie Applications et implications industrielles. Aspects économiques Industrial applications and implications. Economical aspects Environnement et pollution Environment and pollution Biodégradation des polluants Biodegradation of pollutants Accumulation biologique Biological accumulation Acumulación biológica Agent surface Surfactant Agente superficie Amendement Amendment Enmienda Bioremédiation Bioremediation Bioremediación Compartimentation Compartmentalization Compartimientación Césium 137 Cesium 137 Décontamination Decontamination Descontaminación Performance Rendimiento Pollution radioactive Radioactive pollution Polución radioactiva Pollution sol Soil pollution Polución suelo Radioisotope Radionúclido Solubilisation Solubilization Solubilización Phytoremédiation Phytoremediation Subject Geographic: Europe Est Eastern Europe Europa del Este Europe Europa Ukraine Ukrania Chernobyl
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Phytotech, Inc., I Deer Park Drive, Suite I, Monmouth Junction, New Jersey 08852, United States ; Institute of Cell Biology and Genetic Engineering, National Academy of Science, 148 Zabolotnogo Street, Kiev, 252143, Ukraine Rights: Copyright 1999 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Biotechnology ; Earth sciences ; Pollution

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Phytoremediation of radiocesium-contaminated soil in the vicinity of Chernobyl, Ukraine