工程科学学报，第39卷，第7期：1123-1128,2017年7月 Chinese Journal of Engineering,Vol.39,No.7:1123-1128,July 2017 D0l:10.13374/j.issn2095-9389.2017.07.020:http://journals..ustb.edu.cn 菖蒲和芦苇对复合重金属胁迫的生理反应及其富集 能力 林海2》，刘俊飞”，刘璐璐”，董颖博2)回 1)北京科技大学能源与环境工程学院，北京1000832)工业典型污染物资源化处理北京市重点实验室，北京100083 ☒通信作者，E-mail:ybdonge@usth.cdu.cn 摘要研究了水生植物莒蒲和芦苇对复合重金属(V、Cr和C)的富集能力及对重金属的生理响应，以考察这两种植物对 重金属污染水体的修复效果.结果表明，随着水体中重金属污染浓度的提高，两种植物的耐性系数均有所下降，但莒蒲的生 长状况优于芦苇.在不同重金属污染浓度下，莒蒲和芦苇均表现出对Cd的富集能力最强，其次是C,而对V的富集能力相对 较弱.在相同重金属浓度下，莒蒲对三种重金属的富集总量大于芦苇，在重金属质量浓度为15g·L时，莒蒲对三种重金属 的富集量分别是1065.02、1754.80和4372.40mgkg,且莒蒲地下部分对V、Cr和Cd的富集系数分别是芦苇的2.1倍、1.5 倍和1.8倍.综合考虑得出莒蒲比芦苇更适用于V、Cr和Cd复合重金属污染的修复. 关键词复合重金属污染：莒蒲：芦苇：生理特性：富集能力 分类号X171.5 Physiological responses of Acorus calamus and reed under composite heavy metal stress and their enrichment ability LIN Hai,LIU Jun-fei,LIU Lu-u,DONG Ying-bo 1)School of Energy and Environmental Engineering,University of Science and Technology Beijing,Beijing 100083,China 2)Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants,Beijing 100083,China Corresponding author,E-mail:ybdong@ustb.edu.cn ABSTRACT It was studied that the aquatic plant Acorus calamus and reed affected the enrichment ability of compound heavy metals (i.e.V,Cr and Cd)and physiological response and the two plants repair effects of polluted water were investigated by heavy metals. Results show that the tolerance index of two plants decreases with heavy metals concentration increasing in water body,whereas the growth of the Acorus calamus is better than that of reed.Under different concentrations of heavy metals,both Acorus calamus and reed show the strongest enrichment ability of Cd,followed by Cr,while the enrichment ability of V is relatively weak.Under same heavy metal concentration,Acorus calamus on the total enrichment quantities of three kinds of heavy metals are better than those of reed. When the mass concentration of heavy metal is 15 mgL,the enrichment of three heavy metals by Acorus calamus is 1065.02, 1754.80 and 4372.40 mgkg for V,Cr and Cd,respectively.The enrichment index of Acorus calamus underground part of V,Cr and Cd is 2.1,1.5 and 1.8 times better than that of reed.It is concluded that Acorus calamus is more suitable for the remediation of heavy metal pollution by V,Cr and Cd. KEY WORDS composite heavy metal pollution:Acorus calamus:reed:physiological response:enrichment ability 河流重金属污染的问题日益突出，而且污染的重金属种类呈现出多样化和复杂化的趋势.与有机污染 收稿日期：2016-09-20 基金项目：国家水体污染控制与治理科技重大专项资助项目(2015ZX07205003)工程科学学报，第 39 卷，第 7 期: 1123--1128，2017 年 7 月 Chinese Journal of Engineering，Vol． 39，No． 7: 1123--1128，July 2017 DOI: 10． 13374 /j． issn2095--9389． 2017． 07． 020; http: / /journals． ustb． edu． cn 菖蒲和芦苇对复合重金属胁迫的生理反应及其富集 能力 林 海1，2) ，刘俊飞1) ，刘璐璐1) ，董颖博1，2)  1) 北京科技大学能源与环境工程学院，北京 100083 2) 工业典型污染物资源化处理北京市重点实验室，北京 100083 通信作者，E-mail: ybdong@ ustb． edu． cn 摘 要 研究了水生植物菖蒲和芦苇对复合重金属( V、Cr 和 Cd) 的富集能力及对重金属的生理响应，以考察这两种植物对 重金属污染水体的修复效果． 结果表明，随着水体中重金属污染浓度的提高，两种植物的耐性系数均有所下降，但菖蒲的生 长状况优于芦苇． 在不同重金属污染浓度下，菖蒲和芦苇均表现出对 Cd 的富集能力最强，其次是 Cr，而对 V 的富集能力相对 较弱． 在相同重金属浓度下，菖蒲对三种重金属的富集总量大于芦苇，在重金属质量浓度为 15 mg·L － 1时，菖蒲对三种重金属 的富集量分别是 1065. 02、1754. 80 和 4372. 40 mg·kg － 1，且菖蒲地下部分对 V、Cr 和 Cd 的富集系数分别是芦苇的 2. 1 倍、1. 5 倍和 1. 8 倍． 综合考虑得出菖蒲比芦苇更适用于 V、Cr 和 Cd 复合重金属污染的修复． 关键词 复合重金属污染; 菖蒲; 芦苇; 生理特性; 富集能力 分类号 X171. 5 Physiological responses of Acorus calamus and reed under composite heavy metal stress and their enrichment ability LIN Hai1，2) ，LIU Jun-fei1) ，LIU Lu-lu1) ，DONG Ying-bo1，2)  1) School of Energy and Environmental Engineering，University of Science and Technology Beijing，Beijing 100083，China 2) Beijing Key Laboratory of Ｒesource-Oriented Treatment of Industrial Pollutants，Beijing 100083，China Corresponding author，E-mail: ybdong@ ustb． edu． cn ABSTＲACT It was studied that the aquatic plant Acorus calamus and reed affected the enrichment ability of compound heavy metals ( i． e． V，Cr and Cd) and physiological response and the two plants repair effects of polluted water were investigated by heavy metals． Ｒesults show that the tolerance index of two plants decreases with heavy metals concentration increasing in water body，whereas the growth of the Acorus calamus is better than that of reed． Under different concentrations of heavy metals，both Acorus calamus and reed show the strongest enrichment ability of Cd，followed by Cr，while the enrichment ability of V is relatively weak． Under same heavy metal concentration，Acorus calamus on the total enrichment quantities of three kinds of heavy metals are better than those of reed． When the mass concentration of heavy metal is 15 mg·L － 1，the enrichment of three heavy metals by Acorus calamus is 1065. 02， 1754. 80 and 4372. 40 mg·kg － 1 for V，Cr and Cd，respectively． The enrichment index of Acorus calamus underground part of V，Cr and Cd is 2. 1，1. 5 and 1. 8 times better than that of reed． It is concluded that Acorus calamus is more suitable for the remediation of heavy metal pollution by V，Cr and Cd． KEY WOＲDS composite heavy metal pollution; Acorus calamus; reed; physiological response; enrichment ability 收稿日期: 2016--09--20 基金项目: 国家水体污染控制与治理科技重大专项资助项目( 2015ZX07205--003) 河流重金属污染的问题日益突出，而且污染的重 金属种类呈现出多样化和复杂化的趋势． 与有机污染