Abstract
Due to the development of industry, there are different levels of heavy metal pollution in domestic waters, and the treatment of heavy metal pollution is also imminent. As a hot plant for phytoremediation, Leersia hexandra Swartz has a good effect on remediation of chromium, copper and nickel polluted water. The highest removal rates of chromium, copper and nickel are 100%, 93.8% and 89.3% respectively. Leersia hexandra Swartz also has good enrichment characteristics of chromium, copper and nickel in heavy metal contaminated soil. In the soil containing chromium, copper and nickel, Leersia hexandra Swartz can grow normally and has strong tolerance to high concentration of heavy metal contaminated soil, which indicates that Leersia hexandra Swartz has certain research value in the field of remediation of heavy metal contaminated soil or water.
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