Heavy metals removal from industrial wastewater of Biskra (Algeria) by Arundo donax and Phragmites australis.

IF 2.9 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Environmental Monitoring and Assessment Pub Date : 2024-07-05 DOI:10.1007/s10661-024-12867-w

Sarra Badache, Nora Seghairi

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Abstract

Industrial effluents pose a serious environmental problem, because they contain toxic contaminants mainly heavy metals that are the most dangerous to humans, animals, plants, and the environment in general. Phytoremediation using macrophytes is an adopted technique for the environment decontamination due to its efficiency and cost-effectiveness. The present study aims to highlight the capabilities of macrophytes to remove heavy metals from wastewater of Biskra region (Algeria). The methodology consists of filling out the filters planted with Arundo donax and Phragmites australis with raw industrial wastewater, then recovering decontaminated water after 15 days to assess removal of lead, copper, zinc, and iron. Both plants had shown a good efficiency for the removal of metals loaded in wastewater eliminating about 94 to 98% of initial concentration. In addition, calculated bioaccumulation factor (BAF) had confirmed the accumulation of heavy metals in different parts of experimental plants; recorded values of BAF > 1 allowed the consideration of Arundo donax and Phragmites australis as good hyper-accumulator plants. Obtained results confirm the efficiency of phytoremediation technology using macrophytes for the wastewater treatment in particular and the environment decontamination in general.

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用 Arundo donax 和 Phragmites australis 去除比斯克拉（阿尔及利亚）工业废水中的重金属。

工业废水是一个严重的环境问题，因为它们含有有毒污染物，主要是对人类、动物、植物和整个环境危害最大的重金属。利用大型植物进行植物修复因其高效性和成本效益而成为环境净化的一种常用技术。本研究旨在强调大型植物去除比斯克拉地区（阿尔及利亚）废水中重金属的能力。研究方法包括向种植有 Arundo donax 和 Phragmites australis 的过滤器中注入未处理的工业废水，然后在 15 天后回收被净化的水，以评估铅、铜、锌和铁的去除率。这两种植物对废水中金属的去除率都很高，去除率约为初始浓度的 94% 至 98%。此外，计算得出的生物蓄积因子（BAF）证实了重金属在实验植物不同部位的蓄积情况；生物蓄积因子大于 1 的记录值允许将 Arundo donax 和 Phragmites australis 视为良好的超蓄积植物。所获得的结果证实了利用大型植物进行植物修复技术的效率，特别是在废水处理和一般环境净化方面。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Environmental Monitoring and Assessment 环境科学-环境科学

CiteScore

4.70

自引率

6.70%

发文量

1000

审稿时长

7.3 months

期刊介绍： Environmental Monitoring and Assessment emphasizes technical developments and data arising from environmental monitoring and assessment, the use of scientific principles in the design of monitoring systems at the local, regional and global scales, and the use of monitoring data in assessing the consequences of natural resource management actions and pollution risks to man and the environment.