PHYTOREMEDIATION POTENTIAL OF HEAVY METAL IN CONTAMINATED SEDIMENTS BY HYDROPHYTES

被引：0

作者：

Zhang, Yanhao ^{[1
,2
,3
]}

Cao, Guoxun ^{[1
]}

Zhang, Zhibin ^{[1
,2
]}

Zou, Yanjiang ^{[1
]}

Zhang, Xiangyang ^{[1
]}

Zhang, Haohan ^{[1
]}

Wang, Yuchen ^{[1
]}

Marhaba, Taha ^{[1
,3
]}

机构：

[1] Shandong Jianzhu Univ, Sch Municipal & Environm Engn, Jinan 250101, Shandong, Peoples R China

[2] Coinnovat Ctr Green Bldg, Jinan 250101, Shandong, Peoples R China

[3] New Jersey Inst Technol, John A Reif Jr Dept Civil & Environm Engn, Newark, NJ 07102 USA

来源：

FRESENIUS ENVIRONMENTAL BULLETIN | 2019年 / 28卷 / 2A期

关键词：

Phytoremediation; Hygrophyte; Heavy metals; Sediments; ECOLOGICAL RISK-ASSESSMENT; TYPHA-LATIFOLIA; PHRAGMITES-AUSTRALIS; ARSENATE REDUCTASE; REMEDIATION; WETLAND; PLANT; BIOACCUMULATION; ACCUMULATION; SOIL;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Phytoremediation is a feasible method for re mediation of heavy metals contaminated sediments. Wenchang Lake (Zibo, China), had been used as a receiving water body of industrial factories, were sampled to investigate the phytoremediation characteristics of heavy metals in sediments by the natural growing hydrophytes. The results showed that Hydrocharis dubia, Phragmites australis, Nelumbo nucifera, and Typha orientalis Presl have a good potential to accumulate of As, Cd, and Pb from the sediments. The metal concentrations of As, Cd, and Pb range from 199.94-552.07 mg kg(-1), 1.88-3.89 mg kg(-1), and 27.87-53.19 mg kg(-1) in the roots or fronts of the hydrophytes, respectively. Bioconcentration factor (BCF) values of As, Cd, and Pb in roots and fronds of the tested hydrophytes range from 6.97-19.24, 5.53-11.44, and 3.65-6.96 respectively. Therefore, Hydrocharis dubia, Phragmites australis, Nelumbo nucifera, and Typha orientalis Presl were potential accumulators for As, Cd, and Pb, and could be used for phytoremediation of heavy metals contaminated sediments in the aquatic body.

引用

页码：1395 / 1403

页数：9

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