ArticleHeliyon2024
Adsorption of arsenic and fluoride: Modeling of single and competitive adsorption systems.
Article in Heliyon, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- High-Density Iron Nanostructures Grown on Electrospun PVA/Pectin Fibers via Seed-Mediated Strategy for As(V) Remediation.Small methods · 2026Article
- Effect of Multi-Metal Composition on Arsenic Sorption by LDHs: A Comparative Study of MgCuZnAl-LDH and MgAl-LDH.Molecules (Basel, Switzerland) · 2026Article
- Rice Husk-Derived MCM-41 for Efficient Hg(II) Removal: Performance, Mechanism, and Environmental Safety in Real Water Matrices.Nanomaterials (Basel, Switzerland) · 2026Article
- Facile synthesis of Zn-Mn bimetallic MOF for adsorptive removal of methyl paraben from aqueous solution.Environmental science and pollution research international · 2026Article
- Preparation and characterization of natural gum nanomuscovite nanocomposite for removal of heavy metals.Scientific reports · 2026Article
- Simultaneous removal of fluoride and arsenic from water in a fixed-bed column using Fe-Al-MOF/CF composite: optimization by response surface methodology.Scientific reports · 2026Article
- Development and application of a shrimp shell waste/FeClRSC advances · 2026Article
- Silica- andACS omega · 2026Article
- Fabrication of Chitosan/Graphene Oxide/PVA-Vanillin@TiONanomaterials (Basel, Switzerland) · 2026Article
- Venlafaxine Removal from Water and Wastewater Using Activated Carbons from Spent Brewery Grains Produced by Conventional vs. Microwave Pyrolysis.Pharmaceuticals (Basel, Switzerland) · 2026Article
- Comparing RSM-BBD and GEE models to optimize urban stormwater runoff treatment in dolomite-modified porous concrete.Scientific reports · 2025Article
- Article
- Sustainable Cellulose-Bentonite Composites for Wastewater Treatment.Materials (Basel, Switzerland) · 2025Review
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The elevated co-occurrence of arsenic and fluoride in surface and groundwater poses risks to human health in many parts of the world. Using single and competitive batch equilibrium adsorption studies, this research focuses on As(V) and F adsorption by activated carbon and its modeling. BET, XRD, FESEM, EDS, and FTIR analysis were used to discern the structural characteristics of activated carbon. The influence of dosage, pH, and contact time were also investigated in single and simultaneous adsorption systems. The maximum adsorption capacity of activated carbon for arsenic and fluoride were found to be 3.58 mg/g and 2.32 mg/g, respectively. Kinetics studies indicated that pseudo-second-order kinetic model fit better than pseudo-first-order, Elovich, and intraparticle diffusion kinetic models. The non-linear regression analysis of Langmuir, Freundlich, Toth, Redlich Petersons, and Modified Langmuir Freundlich models was used to determine single-component asorption model parameters. Additionally, the simultaneous adsorption was rigorously modeled and compared using the Extended Langmuir (EL), Extended Langmuir Freundlich (ELF), Modified Competitive Langmuir (MCL), and Jeppu Amrutha Manipal Multicomponent (JAMM) isotherm models, and competitive mechanisms were interpreted for the simultaneous adsorption system. Further, the model performances were evaluated by statistical error analysis using the normalized average percentage error (NAPE), root mean square errors (RMSE), and the correlation coefficient (R
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