[1]孙维民,秦红杰,张志勇,等.双氧水协同凤眼莲去除富营养化水体中高浓度蓝藻的效果[J].江苏农业学报,2023,(01):97-105.[doi:doi:10.3969/j.issn.1000-4440.2023.01.012]
　SUN Wei-min,QIN Hong-jie,ZHANG Zhi-yong,et al.Effect of hydrogen peroxide combined with Eichhornia crassipes on removal of high concentration cyanobacteria in eutrophic water[J].,2023,(01):97-105.[doi:doi:10.3969/j.issn.1000-4440.2023.01.012]
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双氧水协同凤眼莲去除富营养化水体中高浓度蓝藻的效果()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年01期
页码:
97-105
栏目:
耕作栽培·资源环境
出版日期:
2023-02-28

文章信息/Info

Title:
Effect of hydrogen peroxide combined with Eichhornia crassipes on removal of high concentration cyanobacteria in eutrophic water
作者:
孙维民1; 2; 3; 秦红杰4; 5; 张志勇2; 3; 张迎颖2; 3; 陈金峰4; 姜智绘2; 3; 宋雪飞2; 3
（1.江苏大学环境与安全工程学院，江苏镇江212013;2.江苏省农业科学院农业资源与环境研究所/农业农村部长江下游平原农业环境重点实验室，江苏南京210014;3.国家农业环境六合观测实验站，江苏南京210014;4.广东省农业科学院环境园艺研究所/广东省园林花卉种质创新综合利用重点实验室，广东广州510640;5.岭南现代农业科学与技术广东省实验室肇庆分中心，广东肇庆526000）
Author(s):
SUN Wei-min1; 2; 3; QIN Hong-jie4; 5; ZHANG Zhi-yong2; 3; ZHANG Ying-ying2; 3; CHEN Jin-feng4; JIANG Zhi-hui2; 3; SONG Xue-fei2; 3
(1.School of Environmental and Safety Engineering, Jiangsu University, Zhenjiang 212013, China;2.Key Laboratory of Agricultural Environment of Lower Yangtze River Plain, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;3.National Agricultural Environment Liuhe Observation Experimental Station, Nanjing 210014, China;4.Environmental Horticulture Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Provincial Key Lab of Ornamental Plant Germplasm Innovation and Utilization, Guangzhou 510640, China;5.Zhaoqing Branch Center of Guangdong Laboratory for Lingnan Modern Agricultural Science and Technology, Zhaoqing 526000, China)
关键词:
双氧水; 凤眼莲; 蓝藻水华; 富营养化; 水体修复
Keywords:
hydrogen peroxide; Eichhornia crassipes; cyanobacterial bloom; eutrophication; water restoration
分类号:
X522
DOI:
doi:10.3969/j.issn.1000-4440.2023.01.012
文献标志码:
A
摘要:
为了实现蓝藻治理与富营养化水体氮、磷等污染物高效削减的双重目标，以暴发蓝藻的城市富营养化河道水体为分析对象，通过模拟试验，研究H2O2与凤眼莲协同去除水体中高质量浓度蓝藻的效果。H2O2除藻质量浓度阈值探索试验结果显示，15 mg/L H2O2处理4 h后，蓝藻的光合活性下降了75%，24 h内其活性无明显恢复。H2O2与凤眼莲协同试验结果表明，在处理后的前72 h，单一H2O2处理的除藻效果最好，在处理后72 h至处理后96 h，H2O2+凤眼莲处理的除藻效果最好，单一凤眼莲处理在试验后96 h内无明显除藻效果。研究还发现，单一H2O2处理的水体NO-2-N、NH+4-N、PO3-4-P质量浓度较对照组显著升高，可能存在藻华再次暴发的风险。试验后96 h，H2O2+凤眼莲处理对藻生物量的去除率为74.58%，对总氮（TN）、总磷（TP）的去除率分别为54%、36%。此外，微生物群落分析结果表明，H2O2+凤眼莲处理对水体中蓝藻的去除效果较显著，微生物群落多样性较对照显著提高，由此可见，H2O2协同凤眼莲处理可有效控制蓝藻水华并改善水质。
Abstract:
To achieve the dual objectives of cyanobacteria treatment and efficient reduction of pollutants such as nitrogen and phosphorus in eutrophic water, the urban eutrophic river water with cyanobacteria outbreak was taken as the object, and the synergistic removal effect of H2O2 and Eichhornia crassipes on high concentration cyanobacteria in water was studied through simulation experiment. The experimental results showed that the photosynthetic activity of cyanobacteria decreased by 75% after treatment with 15 mg/L H2O2 for four hours, and there was no obvious recovery of its activity within 24 hours. The synergistic experiment of H2O2 and E. crassipes showed that the algae removal effect of single H2O2 treatment was the best in the first 72 hours, from 72 hours to 96 hours, the algae removal effect of H2O2+E. crassipes treatment was the best, and the single E. crassipes treatment had no obvious algae removal effect in 96 hours. It was found that the concentrations of NO-2-N, NH+4-N, PO34-P in the water treated with single H2O2 were significantly higher than those in the control group, and there may be a risk of algal blooms again. At 96 h after the experiment, the removal rate of algae biomass by H2O2+E. crassipes treatment was 74.58%, and the removal rates of total nitrogen (TN) and total phosphorus (TP) were 54% and 36%, respectively. In addition, the results of microbial community analysis showed that H2O2+E. crassipes had a significant removal effect on cyanobacteria in water, and the diversity of microbial community was significantly improved. Therefore, H2O2 combined with E. crassipes can effectively control cyanobacteria bloom and improve water quality.

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备注/Memo

备注/Memo:
收稿日期：2022-04-02基金项目：江苏省治太专项资金项目(TH2018403)；国家自然科学基金项目(41877510)；广东省农业科学院创新基金产业专项(202136)作者简介：孙维民(1996-)，男，山东临沂人，硕士研究生，主要从事水体治理研究。(E-mail)1902454339@qq.com通讯作者：张志勇，(E-mail)jaaszyzhang@126.com；秦红杰，(E-mail)hongjieqin111@126.com
更新日期/Last Update: 2023-03-21