Analysis of Chrysopogon zizanioides used as floating treatment wetlands in the removal of heavy metals present in leachate

被引：3

作者：

Alberto, Alvarez-Ascencio ^{[1
]}

Sugey, Lopez-Martinez ^{[1
]}

Ana R, Rodriguez-Luna ^{[1
]}

Eduardo S, Lopez-Hernandez ^{[1
]}

Carlos M, Morales-Bautista ^{[2
]}

Emanuel, Hernandez-Nunez ^{[3
]}

机构：

[1] Univ Juarez Autonoma Tabasco, Div Acad Ciencias Biol, Carretera Villahermosa Cardenas Km 0-5 S-N, Villahermosa 86150, Tabasco, Mexico

[2] Univ Juarez Autonoma Tabasco, Div Acad Ciencias Basicas, Cunduacan, Mexico

[3] Inst Politecn Nacl, Dept Recursos del Mar, Ctr Invest & Estudios Avanzados, Unidad Merida, Merida, Yucatan, Mexico

来源：

REMEDIATION-THE JOURNAL OF ENVIRONMENTAL CLEANUP COSTS TECHNOLOGIES & TECHNIQUES | 2022年 / 33卷 / 01期

关键词：

LANDFILL LEACHATE; VETIVER GRASS; WASTE-WATER; IRON PLAQUE; CONSTRUCTED WETLANDS; PHYTOREMEDIATION; CADMIUM; L; ACCUMULATION; PLANTS;

D O I：

10.1002/rem.21739

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The objective of this study was to evaluate the potential of Chrysopogon zizanioides using the floating wetland treatment (FWT) technique in the removal of As, Cd, Cr, Cu, Pb, Zn, Fe, and Hg from three different concentrations of landfill leachate (100% crude leachate [L100], 75% leachate + 25% tap water [L75], and 50% leachate + 50% tap water [L50]) for a period of 60 days. The concentration of heavy metals in leachate and C. zizanioides was analyzed by inductively coupled plasma optical emission spectrometry. The results show that heavy metal concentrations decrease significantly (p < 0.05) in vegetation treatments. Removal efficiency was higher in the L100 leachate with 100%, 58.1%, 33.4%, 67.8%, 58.3%, 29.4%, 69.2%, and 67.2% for As, Cd, Cr, Cu, Fe, Hg, Pb, and Zn, respectively. This study demonstrates the efficiency of removing heavy metals from landfill leachate using the FWT technique.

引用

页码：77 / 86

页数：10

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