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Review: Phytoextraction of heavy metals – the process and scope for remediation of contaminated soils

机译：综述：重金属植物提取–污染土壤的修复过程和范围

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摘要

Contamination of lands with toxic heavy metals is a widespread environmental issue resulting from global industrialization. Conventional techniques for reclamation of such soils are expensive and environmental non-friendly. Phytoremediation is an emerging group of technologies utilizing green plants to clean up the environment from contaminants and has been offered as a cost-effective and non-invasive alternative to the conventional engineering-based remediation methods. There are different versions of phytoremediation viz. phytoimmobilization, phytostabilization, rhizofilteration, phytovolatilization and phytoextraction, the latter being most widely accepted for remediation of soils contaminated with toxic heavy metals. Different aspects of phytoextraction and scope of this technology for remediation of heavy metal-contaminated soils are reviewed discussing challenges and opportunities in realizing phytoextraction as an economically viable remediation method.s.
机译：由于全球工业化，土地被有毒重金属污染是一个广泛的环境问题。回收此类土壤的常规技术昂贵且对环境不利。植物修复是利用绿色植物清除环境中污染物的新兴技术，已作为传统的基于工程的修复方法的一种经济有效且非侵入性的替代方法。有不同版本的植物修复剂。植物固定化，植物稳定化，根际过滤，植物挥发和植物提取，后者被广泛接受用于修复有毒重金属污染的土壤。本文综述了植物提取的不同方面以及该技术对重金属污染土壤的修复技术，讨论了将植物提取作为一种经济可行的修复方法所面临的挑战和机遇。

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