Related Experiment Video
Updated: Mar 28, 2026
08:01
Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide
Published on: June 28, 2019
8.0K
Technologies for Arsenic Removal from Water: Current Status and Future Perspectives
Nina Ricci Nicomel1,2,3, Karen Leus4, Karel Folens5
1Laboratory of Analytical Chemistry and Applied Ecochemistry, Ghent University, Coupure Links 653, B-9000 Gent, Belgium. nrpnicomel@yahoo.com.
International Journal of Environmental Research and Public Health
|December 26, 2015
Summary
This review covers technologies for removing arsenic from water, including conventional methods and emerging nanoparticle applications. Future research should explore novel porous materials for effective arsenic remediation.
Area of Science:
- Environmental Science
- Water Treatment Technologies
- Materials Science
Background:
- Arsenic contamination in water poses a significant global health risk.
- Conventional water treatment methods for arsenic removal have limitations.
- Nanoparticle-based remediation is an emerging field for water purification.
Purpose of the Study:
- To provide a comprehensive overview of current arsenic removal technologies.
- To critically analyze the effectiveness of various nanoparticles in arsenic remediation.
- To suggest future research directions in novel water treatment materials.
Main Methods:
- Literature review of established and novel arsenic removal techniques.
- Analysis of studies utilizing nanoparticles for arsenic species removal.
- Evaluation of the potential of advanced porous materials.
Main Results:
- Conventional methods like oxidation, coagulation-flocculation, and membranes are widely used.
- Various nanoparticles show promise for efficient arsenic removal from contaminated water.
- Metal-organic frameworks (MOFs) represent a promising area for future research.
Conclusions:
- A range of technologies exist for arsenic removal, each with pros and cons.
- Nanoparticles offer a developing alternative for effective water remediation.
- Further investigation into novel porous materials is crucial for advancing water treatment.
Keywords:
adsorptionarsenicengineered nanoparticlesmetal organic frameworkpollutionwater purification technologyMore Related Videos
09:23Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability
Published on: June 21, 2015
10.3K
08:34A Dual-Functional Electroactive Filter Towards Simultaneously SbIII Oxidation and Sequestration
Published on: December 5, 2019
6.1K
Related Concept Videos
01:17Precipitation and Co-precipitation
5.6K
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...
5.6K
01:27Microbial Leaching
72
Microbial leaching, also known as bioleaching, is an environmentally favorable method for extracting metals from low-grade ores using specific microorganisms. This biotechnological approach is particularly valuable for mining operations targeting copper, gold, and uranium, where traditional extraction methods may be economically or environmentally impractical.Copper Leaching and Microbial CatalysisIn copper bioleaching, crushed ore is arranged into heaps and irrigated with a dilute sulfuric...
72
01:26Enhanced Elimination of Poison
1.0K
Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
1.0K
01:26Pharmaceutical Poisoning: Treatment Strategies
150
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...
150
01:25Microbial Bioremediation of Uranium
52
Microorganisms play a critical role in the transformation and immobilization of uranium in contaminated environments through four main pathways: bioreduction, biosorption, bioaccumulation, and biomineralization. These mechanisms reduce uranium’s toxicity and prevent its migration through groundwater systems, offering sustainable approaches for in situ bioremediation.Bioreduction of UraniumBioreduction is driven by anaerobic bacteria such as certain strains of Geobacter and Shewanella,...
52
04:01Factors Affecting Solubility
39.0K
Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Chȃtelier’s principle. Consider the dissolution of silver iodide:
39.0K