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Updated: Jun 14, 2025

Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide
08:01

Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide

Published on: June 28, 2019

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通过吸附去除铜离子使用基于飞的地质聚合物:来自Taguchi和ANOVA统计方法的过程优化见解

Loredana Litu1, Gabriela Buema2, Giannin Mosoarca3

  • 1Faculty of Chemical Engineering and Environmental Protection, "Gheorghe Asachi" Technical University of Iasi, 73 Prof. Dr. Docent D. Mangeron Str., 700050 Iasi, Romania.

Materials (Basel, Switzerland)
|August 29, 2024
PubMed
概括

来自飞灰的地质聚合物材料有效地从水中去除铜离子. 优化条件实现了99.71%的去除,突出显示飞地质聚合物作为可持续吸附剂.

关键词:
铜去除 铜去除友好的材料友好的材料.地质聚合物地质聚合物重金属的去除重金属的去除.过程优化优化过程优化废水处理是废水处理的方法之一.

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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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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Electrodeposition

Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
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Pozzolans

Pozzolans are siliceous or aluminous materials blended with Portland cement. They interact with the calcium hydroxide produced during the hydration of Portland cement and contribute to improved strength and durability of concrete. The pozzolanic activity, a measure of a pozzolan's effectiveness, is typically assessed using the strength activity index, as defined in ASTM C 618-93, which calculates the ratio of the compressive strength of cement mixtures with and without pozzolan.
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Anodic Stripping Voltammetry (ASV), Cathodic Stripping Voltammetry (CSV), and Adsorptive Stripping Voltammetry (AdSV) are electrochemical techniques used to determine trace amounts of analytes in solution. These methods involve applying a potential to an electrode and measuring the resulting current.
Anodic Stripping Voltammetry (ASV)
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