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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...

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Updated: Jan 18, 2026

Artificial Lung Device Priming for In Situ Fiber Bundle Surface Grafting

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通过添加环保材料来提高电凝性能.

Manal M M Barakat¹, Mona S S Soliman², Mahmoud F Mubarak^3,4

¹Central Laboratory for Environmental Quality Monitoring (CLEQM), National Water Research Center (NWRC), El-Kanater, P.O. Box 13621/6, Qalubiya, Cairo, Egypt. manal_barakat@nwrc.gov.eg.

Scientific reports

|September 12, 2025

概括

此摘要是机器生成的。

埃及塔罗粘液显示了废水处理的潜力,在电凝过程中增强了化学氧气需求去除. 然而,它并没有改善总悬浮固体或色彩去除.

关键词:

电凝器是电凝的方法之一.铁/电极是铁/的电极.动力学研究研究运动学.塔罗的粘液是塔罗的粘液污水处理污水处理污水处理

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Last Updated: Jan 18, 2026

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科学领域:

环境科学环境科学
水处理技术水处理技术
绿色化学绿色化学

背景情况:

电凝 (EC) 是一种有效,环保的废水处理方法.
污染物如总溶解固体,总悬浮固体 (TSS),颜色和化学氧气需求 (COD) 是EC的目标.
使用天然添加剂提高EC效率是积极研究的一个领域.

研究的目的:

通过使用埃及塔罗 (Colocasia esculenta) 的粘液来研究电凝 (EC) 废水处理的增强.
在不同的操作参数下,评估粘液添加对污染物去除效率的影响.
用动力学和热力学模型分析吸附机制.

主要方法:

实验室规模的电凝试验使用铁/电极进行.
测试了各种不同的操作参数,如应用电压,处理时间和pH值.
从埃及塔罗提取的粘液被用作添加剂.
进行了动力学和热力学分析,以了解去除机制.

主要成果:

添加粘结剂显著提高了化学氧需求 (COD) 清除效率.
颜色和总悬浮固体 (TSS) 的去除效率通常在没有粘液的情况下更高.
应用了Langmuir和Freundlich吸附模型来描述去除过程.

结论:

埃及塔罗粘液可以作为电凝废水处理中的特定污染物,特别是COD的潜在增强剂.
粘液作为添加剂的有效性取决于特定的污染物和操作条件.
需要进行进一步的研究,以优化用于综合性废水处理的粘结物应用.