A feasibility test to estimate the duration of phytoextraction of heavy metals from polluted soils.

A feasibility test to estimate the duration of phytoextraction of heavy metals from polluted soils. Research Abstract Details 

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A feasibility test to estimate the duration of phytoextraction of heavy metals from polluted soils. Abstract Text:

J Japenga,G F Koopmans,J Song,P F A M Römkens,

The practical applicability of heavy metal (HM) phytoextraction depends heavily on its duration. Phytoextraction duration is the main cost factorfor phytoextraction, both referring to recurring economic costs during phytoextraction and to the cost of the soil having no economic value during phytoextraction. An experiment is described here, which is meant as a preliminary feasibility test before starting a phytoextraction scheme in practice, to obtain a more realistic estimate of the phytoextraction duration of a specific HM-polluted soil. In the experiment, HM-polluted soil is mixed at different ratios with unpolluted soil of comparable composition to mimic the gradual decrease of the HM content in the target HM-polluted soil during phytoextraction. After equilibrating the soil mixtures, one cropping cycle is carried out with the plant species of interest. At harvest, the adsorbed HM contents in the soil and the HM contents in the plant shoots are determined. The adsorbed HM contents in the soil are then related to the HM contents in the plant shoots by a log-log linear relationship that can then be used to estimate the phytoextraction duration of a specific HM-polluted soil. This article describes and evaluates the merits of such a feasibility experiment. Potential drawbacks regarding the accuracy of the described approach are discussed and a greenhouse-field extrapolation procedure is proposed.

A feasibility test to estimate the duration of phytoextraction of heavy metals from polluted soils. Publishing Authors By Initials

J Japenga,GF Koopmans,J Song,PF Römkens,

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PUBMED ID PMID:

MEDLINE DATE: 2007 Mar-Apr

A feasibility test to estimate the duration of phytoextraction of heavy metals from polluted soils. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: International journal of phytoremediation

VOLUME: 9

Page Numbers: 115-32

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ISSN: 1522-6514

DAY: 5

MONTH: 02

YEAR: 2008

A feasibility test to estimate the duration of phytoextraction of heavy metals from polluted soils. Information

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LANGUAGE: eng

NlmUniqueID: 101136878

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Grant and Affiliation Information for A feasibility test to estimate the duration of phytoextraction of heavy metals from polluted soils.

AFFILIATION: Alterra, Wageningen University and Research Centre, Wageningen, The Netherlands.

Country: United States

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MEDLINETA: Int J Phytoremediation

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