首页> 外文期刊>Journal of Environmental Science and Health >The tolerance efficiency of Panicum maximum and Helianthus annuus in TNT-contaminated soil and nZVI-contaminated soil
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The tolerance efficiency of Panicum maximum and Helianthus annuus in TNT-contaminated soil and nZVI-contaminated soil

机译:受TNT污染的土壤和nZVI污染的土壤的最大恐慌和向日葵的耐性效率

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摘要

This study was designed to compare the initial method for phytoremediation involving germination and transplantation. The study was also to determine the tolerance efficiency of Panicum maximum (Purple guinea grass) and Helianthus annuus (Sunflower) in TNT-contaminated soil and nZVT-contaminated soil. It was found that the transplantation of Panicum maximum and Helianthus annuus was more suitable than germination as the initiate method of nano-phytoremediation potting test. The study also showed that Panicum maximum was more tolerance than Helianthus annuus in TNT and nZVI-contaminated soil. Therefore, Panicum maximum in the transplantation method should be selected as a hyperaccumulated plant for nano-phytoremediation potting tests. Maximum tolerance dosage of Panicum maximum to TNT-concentration soil was 320 mg/kg and nZVI-contaminated soil was 1000 mg/kg in the transplantation method.
机译:本研究旨在比较涉及萌发和移植的植物修复的初始方法。该研究还用于确定在TNT污染的土壤和nZVT污染的土壤中,Panicum maximum(紫色豚草)和Helianthus annuus(向日葵)的耐性效率。研究发现,作为植物修复的纳米植株试验的起始方法,最大发芽和向日葵的移植比发芽更合适。研究还表明,在TNT和nZVI污染的土壤中,Panicum的最大耐受性比Helianthus annuus高。因此,应选择移植方法中的最大恐慌植物作为超积累植物用于纳米植物修复盆栽试验。在移栽方法中,最大恐慌植物对TNT浓度土壤的最大耐受剂量为320 mg / kg,nZVI污染土壤为1000 mg / kg。

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