相关实验视频

Updated: Feb 21, 2026

Early Detection of Cyanobacterial Blooms and Associated Cyanotoxins using Fast Detection Strategy

Early Detection of Cyanobacterial Blooms and Associated Cyanotoxins using Fast Detection Strategy

Published on: February 25, 2021

在饮用水资源中Aulacoseira granulata开花的应急响应技术:氧化前增强凝固和机制

Songlin Guan¹, Xin Yang¹, Shui Liu²

¹School of Environmental and Chemical Engineering, Foshan University, Foshan, China.

Journal of environmental management

|February 19, 2026

概括

缩导致有害的藻类繁殖,如Aulacoseira granulata,威胁饮用水. 一项新的研究表明,用高化 (NaClO) - - 聚化 (PAC) - - 桑坦 (XG) 处理有效地去除藻类并减少消毒副产品.

科学领域:

环境科学环境科学
水处理处理水的方法
微生物学微生物学

背景情况:

缩导致Aulacoseira granulata的冬季开花,影响饮用水质量和处理过程.
2024年西江河的开花破坏了水利工程的运行,降低了过器的效率和传统处理的有效性.
高藻类密度和甲度需要先进的处理策略,以确保安全的饮用水.

研究的目的:

评估前氧化合凝结过程,以控制Aulacoseira granulata的开花.
通过分析藻类密度和pH对凝固效率的影响来优化处理策略.
开发一种生物相容且有效的方法去除藻类,同时最大限度地减少有害的消毒副产品.

主要方法:

进行了批量实验,评估了前氧化 (NaClO) 和凝固 (PAC,香-XG) 过程.
使用的多尺度表征:泽塔潜力,EEM光,FTIR,XPS和成像.
研究了不同藻类密度 (10^5到10^7细胞/L) 和初始pH (8.0-8.5) 的影响.

主要成果:

最优的三元系统 (NaClO-PAC-XG) 实现了超过95%的叶绿素-a去除,并将剩余藻类减少到1408细胞/L.
该系统在高密度 (10^6-10^7细胞/L) 中保持了>95%的藻类去除,并将三甲 (THM) 限制在<8μg/L.
优化的pH (7.5-8.0) 提高了仅PAC的去除38.18%,克服了性条件下的凝固问题.

结论:

NaClO-PAC-XG系统为传统方法 (例如,PAC-PAM) 提供了优越的,生物相容的替代方案,有效控制藻类繁殖.
机械洞察力揭示NaClO破坏藻类细胞和EPS,而XG增强了花结构和沉积能力.
这项研究提供了一种经过验证的解决方案,以改善饮用水处理对Aulacoseira granulata开花的抵抗力.

关键词:

藻类繁殖的紧急情况一个Aulacoseira颗粒的粒度.增强凝血功能增强凝血功能群群的形态学群群的形态学在氧化前进行氧化.

更多相关视频

Determination of the Settling Rate of Clay/Cyanobacterial Floccules

Determination of the Settling Rate of Clay/Cyanobacterial Floccules

Published on: June 11, 2018

Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation

Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation

Published on: August 14, 2020

相关概念视频

Coagulation

Coagulation

Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...

Pharmaceutical Poisoning: Treatment Strategies

Pharmaceutical Poisoning: Treatment Strategies

Treatment strategies for poisoning are a critical aspect of emergency medicine, focusing on preventing the absorption of toxins and enhancing their elimination. When a poisoning incident occurs, the first response is to halt exposure and decontaminate the patient, particularly through gastrointestinal (GI) methods if the poison was ingested.Gastrointestinal Decontamination Techniques:Activated charcoal is the cornerstone of GI decontamination. It works through adsorption, binding the toxin to...