用过氧化氢控制有害蓝藻繁殖:机理、影响因素、发展与前景

IF 6.4 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Yue Chen, Fakhar Zaman, Yunlu Jia, Yingzi Huang, Tianli Li, Fang Bai, Lin Li, Lirong Song, Jie Li
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引用次数: 0

摘要

综述目的过氧化氢(H2O2)在控制蓝藻水华方面已显示出巨大的潜力,其功效和生态效应已在不同的水生生态系统中得到评估。本综述仔细研究了该技术的死亡机理、影响因素、对水生生态系统的影响以及发展和挑战;旨在协助应用;并为未来研究提供方向。最新研究结果谷胱甘肽和谷胱甘肽过氧化物酶在形成藻华的蓝藻对 H2O2 的解毒过程中起着关键作用,但这一系统的效率低于叶绿藻和硅藻,导致在施用 H2O2 后蓝藻受到选择性抑制,而其他浮游植物则受到抑制。值得注意的是,菌落微囊藻的敏感性低于丝状藻蓝藻,无毒微囊藻的敏感性低于有毒微囊藻。光照强度对有效施用 H2O2 尤为重要。叶绿藻、H2O2 降解菌和高蓝藻生物量的存在会降低去除效率。微囊藻毒素等有毒代谢物可在几天内降解。连续暴露于 H2O2、缓释 H2O2 配方以及与其他技术相结合将是最大限度减少非目标影响的有效方法,特别是对浮游动物(如轮虫和甲壳动物)的影响。H2O2 是公认的环保型杀氰剂,前景广阔,尤其适用于晴天蓝藻藻华的早期阶段。要在各种水生生态系统中成功应用,预先测试至关重要。未来的研究重点应放在最大限度地减少对非目标生物的影响、防止二次藻华以及完善 H2O2 作为一种可持续的藻华管理工具。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Harmful Cyanobacterial Bloom Control with Hydrogen Peroxide: Mechanism, Affecting Factors, Development, and Prospects

Harmful Cyanobacterial Bloom Control with Hydrogen Peroxide: Mechanism, Affecting Factors, Development, and Prospects

Purpose of Review

Hydrogen peroxide (H2O2) has demonstrated significant potential in controlling cyanobacterial blooms, with its efficacy and ecological effects assessed across diverse aquatic ecosystems. This review scrutinized the death mechanism, affecting factors, impact on the aquatic ecosystem, and development and challenge of the technique; aimed to assist with the application; and provide direction for future study.

Recent Findings

Glutathione and glutathione peroxidase were pivotal in the detoxification of H2O2 in bloom-forming cyanobacteria, yet this system is less efficient than that in chlorophytes and diatoms, leading to selective suppression on cyanobacteria and a shift toward other phytoplankton after H2O2 application. Notably, colonial Microcystis was less sensitive than filamentous bloom-forming cyanobacteria, and non-toxic Microcystis was less sensitive than toxic Microcystis. Light intensity was particularly important for the effective application of H2O2. The presence of chlorophyta, H2O2-degrading bacteria, and high cyanobacterial biomass will diminish the removal efficiency. Toxic metabolites such as microcystin could be degraded in a couple of days. Consecutive H2O2 exposure, slowing-releasing H2O2 formulation, and combining with other technologies would be efficient ways to minimize non-target effects specifically on zooplankton, e.g., rotifer and cladoceran.

Summary

H2O2 is recognized as an environmentally friendly and promising cyanocide. It could be particularly applied in the early stage of cyanobacterial bloom on sunny days. A pre-test is crucial for the successful application across various aquatic ecosystems. Future research should focus on minimizing the impact on non-target organisms, preventing secondary blooms, and refining H2O2 as a sustainable bloom management tool.

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来源期刊
Current Pollution Reports
Current Pollution Reports Environmental Science-Water Science and Technology
CiteScore
12.10
自引率
1.40%
发文量
31
期刊介绍: Current Pollution Reports provides in-depth review articles contributed by international experts on the most significant developments in the field of environmental pollution.By presenting clear, insightful, balanced reviews that emphasize recently published papers of major importance, the journal elucidates current and emerging approaches to identification, characterization, treatment, management of pollutants and much more.
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