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A Study on Integrated Phytoremediation Measures for Enhancing Energy Crops' Performance in Treating Heavy Metal-polluted Soil
| 题名： | A Study on Integrated Phytoremediation Measures for Enhancing Energy Crops' Performance in Treating Heavy Metal-polluted Soil |
| 正文语种： | 中文 |
| 作者： | T.Y.Yen J.J.Wu |
| 作者单位： | epartment of ivil and Environmental Engineering, National University of Kaohsiung, Taiwan |
| 摘要： | The purpose of this research is to verify a set of integrated measures for the phytoremediation of soil polluted by heavy metals.With the addition of chelant, phytohormone and calcium peroxide into the soil, we then grow energy-related crops, i.e.sunflowers, on it to absorb the heavy metals into the plant's body, reducing its content level and consequently achieving the goal of phytoremediation.In this research, we used a pot experiment to investigate the optimal operational parameters for phytoremediation by adding chelant (EDTA, EDDS), phytohormone (GA3, IAA), and calcium peroxide into soil polluted by copper, zinc and lead.The experiment's results indicate that EDDS is suitable for soil polluted by copper or zinc, while EDTA is the best one for removing lead from the soil.While both IAA and GA3 can increase the biomass of plants, GA3 performs better.Therefore, our conclusions regarding the optimal operational parameters for phytoremediation are as follows: The combination of GA3+EDDS+ CaO2 is the best formula to remove copper and zinc, while GA3+EDTA+CaO2 is the most suitable one for eliminating lead from the soil.Compared with the conventional methods of phytoremediation, these integrated measures can actually spur the growth of plants and improve the efficiency of their absorption of heavy metals. |
| 会议日期： | 20150921 |
| 会议举办地点： | 北京 |
| 会议名称： | 2015中国科协海峡两岸青年科学家学术活动月两岸环保高层专家论坛 |
| 出版日期： | 2015-09-21 |
| 母体文献： | 2015中国科协海峡两岸青年科学家学术活动月两岸环保高层专家论坛论文集 |
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