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Updated: Jul 17, 2025

Electrochemically and Bioelectrochemically Induced Ammonium Recovery
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电凝浮动作为市政废水 (预处理) 技术:天气条件和电流密度的影响

Nazia Hassan1, Jente Lezy2, Dries Parmentier3

  • 1Laboratory for Industrial Water and Ecotechnology (LIWET), Department of Green Chemistry and Technology, Ghent University Campus Kortrijk, Sint-Martens-Latemlaan 2B/5, 8500, Kortrijk, Belgium; Environmental Science Discipline, Khulna University, Khulna, 9208, Bangladesh.

Journal of environmental management
|September 3, 2023
PubMed
概括

本研究介绍了用于城市废水处理的连续电凝浮动 (ECF) 系统,显示了高污染物去除. 对于这种创新的废水处理方法,铁阳极比更具成本效益.

关键词:
连续运行连续运行.电凝浮动法电凝浮动法市政废水城市废水预处理的预处理.资源回收利用 资源回收利用天气条件 天气条件

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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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Factors Affecting Solubility

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Precipitation and Co-precipitation

Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
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Colloidal precipitates01:09

Colloidal precipitates

The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
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Controlled-Potential Coulometry: Electrolytic Methods

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