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3 种浮床植物对关中地区 2 种污染源涝池水体净化效率研究
苏媛1,2; 高照良1,3; 娄永才3; 张帅3; 张恒3
2020
发表期刊水土保持学报
卷号34期号:4页码:347-363
摘要

基于对植物修复空间特异性的理解,针对联通关中水系的涝池近年来出现的水体富营养化和黑臭现
象,选取常见浮床植物美人蕉、水菖蒲和西伯利亚鸢尾,通过室外水培试验,探究其对涝池污染原水的净化
效果,试验共持续 35 天。结果表明:( 1 )试验结束时, 3 种植物在株高、根长生物量均有显著增加,增长率表
现为美人蕉 > 水菖蒲 > 西伯利亚鸢尾。( 2 )美人蕉、水菖蒲和西伯利亚鸢尾对水体中 TN 的平均去除率分
别为56. 18% , 52. 17% , 60.
76% ,均显著高于对照组( P <0. 05 );美人蕉和水菖蒲对水体中 TP 平均去除率
分别为55. 42%和58. 32% ,均显著高于对照组(
P <0. 05 ),而西伯利亚鸢尾组与对照组无显著差异( P >
0. 05 ),此外美人蕉和水菖蒲还能起到调节水体
pH
和 DO 的作用。( 3 ) 3 种植物对水体中 NH 3 — N 的平均
去除率分别为 76. 98% , 65. 71% , 78. 94% ,其中美人蕉组和水菖蒲组 NH 3 — N 的主要去除途径为植物吸收
和硝化反应,西伯利亚鸢尾组 NH 3 — N 的主要去除途径主要是氨的挥发和硝化反应等,而对照组 NH 3 — N
去除率高达 60. 55% 的主要原因是氨的挥发;植物组及对照组中 NO 3 - — N 浓度随时间均呈现增加趋势,
主要与各试验组中水体硝化反应及植物吸收效率的差异性有关。( 4 ) 3 种植物中,水菖蒲适用于点源和面
源 2 种污染源涝池水体的净化,美人蕉只适合用于面源污染涝池水体的净化,而西伯利亚鸢尾净化能力较
差,生长适应性差,不适宜作为水生浮床植物推广。研究结果为涝池污染水体修复的浮床植物选择提供参
考。

其他摘要

:Based on the understanding of the spatial specificity of phytoremediation , aiming at the phenomena
of eutrophication and black odor in water storage pond which is an important component of connecting the
water system in Guanzhong area in recent years , three common floating
- bed plants ( canna , calamus , and
Siberian iris ) were selected to explore their purification effect for the raw water in the water storage pond by
outdoor hydroponics test.The test lasted 35days.The results showed that :( 1 ) At the end of the experiment , the
height and root length biomass of the three plants increased significantly , and the growth rate was as
follows : canna>calamus>Siberian iris. ( 2 ) The average removal rates of TN in water bodies were 56. 18% ,
52. 17% , and 60. 76% , respectively , which were higher than that of the control group ( P <0. 05 ) .The average
removal rates of TP in water bodies of canna and calamus were 55. 42%and 58. 32% , which were higher than
the control group of 15.
57% ( P <0. 05 ), but the Siberian iris group was not significantly different from the
control group ( P >0. 05 ) .In addition , canna and calamus could also adjust and improve pH and DO in the
water. ( 3 ) The average removal rates of NH 3 — N in water were 76. 98% , 65. 71% , and 78. 94% , respectively.The main removal pathways of NH 3 — N in the canna and calamus were plant uptake and nitrification.The main re -
moval route of NH 3 — N in the Siberian iris group was mainly ammonia volatilization and nitrification , while
the removal rate of NH 3 — N in the control group was 60. 55% , of which main removal reason was ammonia
volatilization.The concentration of NO 3 - — N of plant group and control group increased with time , which
was mainly related to the difference of water nitrification reaction and plant absorption efficiency
in each ex -
perimental group. ( 4 )
Among the 3floating
- bed plants , calamus was suitable for the purification of the water
of the point source pollution and non - point source pollution.The canna was only suitable for the purification
of the water of non - point source , while the Siberian iris had poor purification ability and growth adaptation in
both , which was not suitable for promotion as an aquatic floating - bed plant.The research results provide a
reference for the selection of floating - bed plants for the restoration of polluted water bodies in water storage
pond.

关键词涝池 植物修复 水体净化 污染源
收录类别中文核心期刊要目总览
语种中文
文献类型期刊论文
条目标识符sbir.nwafu.edu.cn/handle/361005/9885
专题水保所知识产出(1956---)
作者单位1.中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室
2.中国科学院大学
3.西北农林科技大学水土保持研究所
第一作者单位中国科学院水利部水土保持研究所
推荐引用方式
GB/T 7714
苏媛,高照良,娄永才,等. 3 种浮床植物对关中地区 2 种污染源涝池水体净化效率研究[J]. 水土保持学报,2020,34(4):347-363.
APA 苏媛,高照良,娄永才,张帅,&张恒.(2020).3 种浮床植物对关中地区 2 种污染源涝池水体净化效率研究.水土保持学报,34(4),347-363.
MLA 苏媛,et al."3 种浮床植物对关中地区 2 种污染源涝池水体净化效率研究".水土保持学报 34.4(2020):347-363.
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