Performance of Aquatic Plant Species for Phytoremediation of Heavy Metals Contaminated Water

Priya Pillai
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Abstract

Heavy metals and organic pollutants are ubiquitous environmental pollutants affecting the quality of soil, water and air. Over the past 5 decades, many strategies have been developed for the remediation of polluted water.  Use of aquatic plants to extract, sequester and/or detoxify pollutants and is a new and powerful technique for environmental clean up. Plants are ideal agents for soil and water remediation because of their unique genetic, biochemical and physiological properties.  The aim of this work is to evaluate the potential of free floating duck weed Spirodela polyrhiza to remove heavy metals from waste water and the biochemical effect of heavy metals on Spirodela polyrhiza. Approximately 93% of total heavy metal induced – toxicity appears resulting in the reduced activities of nitrate reductase, total chlorophyll and protein content of the plant. The results recommended the use of Spirodela polyrhiza to ameliorate the wastewater contaminated with heavy metals.
水生植物修复重金属污染水体的性能研究
重金属和有机污染物是影响土壤、水和空气质量的普遍存在的环境污染物。在过去的50年里,已经制定了许多策略来修复受污染的水。利用水生植物提取、隔离和/或解毒污染物,是一种新的、强有力的环境净化技术。植物具有独特的遗传、生化和生理特性,是土壤和水体修复的理想介质。本研究旨在探讨鸭浮草多螺旋藻去除废水中重金属的潜力,以及重金属对多螺旋藻的生化影响。约93%的重金属诱导毒性表现为硝酸盐还原酶活性降低、总叶绿素和蛋白质含量降低。结果表明,利用多螺旋藻对重金属污染废水进行治理是可行的。
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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